JP2008072400A - SOUND DEVICE, SOUND FIELD SETTING METHOD, AND PROGRAM - Google Patents

Abstract

The present invention enables a setting operation for a plurality of speakers to be executed more easily.
The present invention is a home server 2 to which a plurality of speakers 4 corresponding to multi-channels are connected, and a sound field based on a selected sound field mode is selected from the plurality of sound field modes. Display means so as to display a list of correspondences between the digital signal processing unit 16, the distribution processing unit 17, and the analog signal processing unit 18 formed through 4 and each sound field mode and the set contents for the sound field mode. The control unit 10 and the graphic processing unit 15 for controlling the above are provided.
[Selection] Figure 2

Description

  The present invention relates to an acoustic device, a sound field setting method, and a program, and is suitable for setting a sound field.

  Conventionally, as an AV system having a general multi-channel playback function, for example, a front left speaker FL, a front right speaker FR, a center speaker C, and a surround left speaker SL corresponding to the audio format of DVD video being 5.1ch. In addition, there is a 5.1 channel speaker system including a surround right speaker SR and a subwoofer SW.

  In recent years, some AV systems are equipped with surround back speakers that are compatible with 6.1ch playback output, such as DOLBY DIGITAL EX (trademark) and dts-ES (trademark), as well as two surround back speakers. There are an increasing number of 7.1-channel speaker systems and 9.1-channel speaker systems with four surround speakers.

Some AV systems that support this type of multi-channel are provided with a DSP processing circuit that provides a sound field effect or the like as in a movie theater (for example, see Patent Document 1).
JP 2000-092587 A

  By the way, in the AV system having such a configuration, when a plurality of sound field effects can be selectively set and the set sound field effect is constructed, what kind of sound field effect is prepared and the effect is It has to be set and listened to what it is like, and there is a problem that the user is forced to perform a very complicated setting operation.

  Normally, AV systems often use FL (Fluorescent Lamp) tubes with poor display capability as user interfaces provided in audio equipment such as audio amplifiers. Operation became complicated and it was not an operating environment that anyone could easily set.

  The present invention has been made in consideration of the above points, and intends to propose an acoustic device, a sound field setting method, and a program that can set and operate a sound field more easily.

  In order to solve such a problem, the present invention is an acoustic device to which a plurality of speakers compatible with multi-channel are connected, and forms a sound field based on a selected sound field mode among a plurality of sound field modes. The sound field forming means and the display means are provided to provide a display control means for displaying a correspondence table of the plurality of sound field modes and the setting contents for the sound field modes. And the setting contents can be set after the user intuitively recognizes the contents and setting contents. As a result, the sound field can be set and operated more easily.

  The present invention also relates to an acoustic setting method for an audio device to which a plurality of speakers compatible with multi-channel are connected, and controls a display means to control a plurality of sound field modes, and contents set for the sound field modes, A first step of displaying the correspondence table, and a sound field based on the selected sound field mode among the plurality of sound field modes is formed according to the setting content set through the correspondence table. By providing the two steps, it is possible to let the user intuitively recognize the contents of the sound field and the setting contents through the visual perception, and as a result, set the sound field more easily. Can be operated.

  Furthermore, the present invention is a program that displays a correspondence table of a plurality of sound field modes and setting contents for the sound field mode on a display means, and connects a plurality of speakers corresponding to multi-channels. For the signal processing means of the target acoustic device, a sound field based on the selected sound field mode among a plurality of sound field modes is formed according to the setting contents set via the correspondence table. As a result, it is possible to set the sound field contents and setting contents after intuitively recognizing the user visually through the settings. As a result, the sound field can be set and operated more easily. Can do.

  According to the present invention, by displaying a correspondence table between a plurality of sound field modes and setting contents for the sound field modes, the contents of the sound field and the setting contents can be visually and intuitively shown to the user. The sound field setting device, the sound field setting method, and the program capable of setting the sound field more easily can be realized as a result.

  Hereinafter, an embodiment to which the present invention is applied will be described in detail with reference to the drawings.

(1) Overall Configuration of AV System According to this Embodiment As shown in FIG. 1, the AV system 1 according to this embodiment has a plurality of playback devices 3, a plurality of speakers 4, and display means for a home server 2. For example, an LCD (Liquid Crystal Display) 5 is connected to each other.

  In this embodiment, for example, a DVD (Digital Versatile Disk) player 3A, a CD (Compact Disk) player 3B, and a portable music player 3C are connected to the home server 2 as the playback device 3, respectively.

  In this embodiment, as the speaker 4, for example, a left front speaker 4FL, a right front speaker 4FR, a center speaker 4CT, a left surround speaker 4SL, a right surround speaker 4SR, and a left surround back speaker 4SBL corresponding to a 7.1 channel surround system. The right surround back speaker 4SBR and the subwoofer 4SW are connected to the home server 2, respectively.

  Each of these speakers 4 (4FL, 4FR, 4CT, 4SL, 4SR, 4SBL, 4SBR, and 4SW) is appropriately arranged according to the state of the listening room, the sound field space desired to be realized, and the like.

  The AV system 1 displays various setting screens related to the sound field space on the LCD 5, stores the setting contents set according to the operation of the remote controller RCL and the like, and at the sound field space corresponding to the setting contents, The sound can be heard.

(2) Configuration of Home Server Next, the circuit configuration of the home server 2 will be described. As shown in FIG. 2, the home server 2 has an operation input unit 11, an interface 12, a data storage medium 13, an FL tube (fluorescent display tube) 14, a graphic processing unit 15, and a digital signal processing unit. 16, the distribution processing unit 17 and the analog signal processing unit 18 are connected to each other.

  The control unit 10 includes a central processing unit (CPU) that controls the entire AV system 1, a ROM (Read Only Memory) that stores basic programs and various application programs, and a RAM (RAM) that is used as a work memory for the CPU. Random Access Memory).

  The operation input unit 11 generates control data corresponding to operations of various operators (buttons and rotary encoder (rotary knob)) provided in the housing of the home server 2 and the remote controller RCL (FIG. 1). This is sent to the control unit 10.

  The interface 12 is, for example, a USB (Universal Serial Bus), and sends control data supplied from the control unit 10 to, for example, a DVD player 3A, a CD player 3B, and a portable music player 3C connected to the interface 12. Then, the control data generated by the DVD player 3A, CD player 3B, and portable music player 3C is sent to the control unit 10.

  The data storage medium 13 is, for example, an EEPROM (Electrically Erasable Programmable Read Only Memory), and the data storage medium 13 includes data (hereinafter, referred to as setting data) D1 representing various setting contents regarding the sound field space, Data of various screens (hereinafter, referred to as setting screen data) D2 and the like serving as GUI (Graphical User Interface) templates are stored.

  The FL tube 14 is provided on the surface of the housing of the home server 2 and displays character data representing the contents of the content generated by the control unit 10 and characters corresponding to character data representing setting items related to the sound field space. It is made to do.

  A video signal reproduced by the DVD player 3A is input to the graphic processing unit 15 via a digital video input terminal, an analog video input terminal, or a component video input / output terminal (not shown). In addition, the setting data D1 and the setting screen data D2 stored in the data storage medium 13 are input to the graphic processing unit 15.

  When a video signal is input, the graphic processing unit 15 performs predetermined signal processing on the video signal, and outputs the resulting video signal to the LCD 5 (FIG. 1) in accordance with the video signal. Displayed video.

  On the other hand, when the setting data D1 and the setting screen data D2 are input, the graphic processing unit 15 generates GUI screen data D3 based on the setting data D1 and the setting screen data D2, and this is displayed on the LCD 5 (FIG. 1). By outputting, a GUI screen corresponding to the GUI screen data D3 is displayed.

  An optical digital audio signal reproduced by the DVD player 3A or the portable music player 3C is input to the digital signal processing unit 16 via a digital input / output terminal to a DIR (Digital Interface Receiver) 31. In addition, an analog audio signal reproduced from the CD player 3B is input to the digital signal processing unit 16 to an ADC (Analog Digital Converter) 32 of the digital signal processing unit 16 via an analog input / output terminal.

  The DIR 31 converts the optical digital audio signal into a digital audio signal by an electric signal, and sends it to a decoder / DSP (Digital Signal Processor) 33. The ADC 32 converts the analog audio signal into a digital audio signal and sends it to the decoder / DSP 33.

  The decoder / DSP 33 performs various processes on the digital audio signal supplied from the DIR 31 or the ADC 32 as necessary. Specifically, when the digital audio signal is compressed, the decoder / DSP 33 performs an expansion process according to the compression method. When the digital audio signal is a multiplexed signal such as 7.1ch, the decoder / DSP 33 separates it into a digital audio signal for each channel.

  Further, when the setting data D1 related to the sound field is given from the control unit 10, the decoder / DSP 33 adjusts the amplitude and phase of a signal in a certain frequency band, for example, or simulates the number of channels based on the setting data D1. To increase or decrease automatically.

  The decoder / DSP 33 appropriately performs such various signal processing, and sends a digital audio signal obtained after the processing to a DAC (Digital Analog Converter) 34. The digital audio signal is converted into an analog audio signal by the DAC 34 and output to the distribution processing unit 17.

Distribution processing unit 17, an analog audio signal inputted from the DAC 34, among the latter stage of the analog signal processing unit 18, and sends to the volume adjuster 41 _{1-41 8} corresponding to the channels of the analog audio signal.

Volume adjuster 41 _{1-41 8,} the level of the analog audio signal inputted from the distribution processing unit 17, and adjusted for each channel according to the volume change command given from the operation input unit 11, an analog audio signal after the adjustment and it sends to the amplifier ₄₂ 1 to 42 _8.

Analog audio signal of each the channel, the amplifier ₄₂ 1 to 42 _8, the speakers 4 (4FL, 4FR, 4CT, 4SL, 4SR, 4SBL, 4SBR and 4SW) is amplified so as to drive the relay ₄₃ 1-43 ₈ is output. Incidentally, the relays 43 ₁ to 43 ₈ can also block output to unused speakers, for example, by a command given from the operation input unit 11.

(3) Specific Processing Contents of Control Unit Next, specific processing contents of the control unit 10 in the home server 2 will be described. In accordance with the basic program and various application programs stored in the ROM, the control unit 10 includes control data provided from the operation input unit 11 or the interface 12, and setting data D1 and setting screen data D2 stored in the data storage medium 13. Based on this, various processes are executed by appropriately controlling the display unit 14, the graphic processing unit 15, the digital signal processing unit 16, the distribution processing unit 17, and the analog signal processing unit 18.

(3-1) Playback Processing When control data representing a playback command is given, for example, the control unit 10 drives the DVD player 3A, CD player 3B, or portable music player 3C that is the target of the playback command. Based on the content information supplied from the player 3A, 3B or 3C, character data representing the content is generated, and characters corresponding to the character data are displayed on the display unit 14 and the LCD 5.

  Further, the control unit 10 displays an image based on the video signal supplied from the DVD player 3A on the LCD 5 (FIG. 1) via the graphic processing unit 15. Incidentally, during the reproduction of the CD player 3B or the portable music player 3C, the control unit 10 generates an image suitable for each source by the graphic processing unit 15 and displays it on the LCD 5.

  On the other hand, the control unit 10 controls the digital signal processing unit 16, the distribution processing unit 17, and the analog signal processing unit 18 based on the setting data D1 stored in the data storage medium 13. Then, the control unit 10 sequentially transmits the sound based on the audio signal supplied from the DVD player 3A, the CD player 3B, or the portable music player 3C through the digital signal processing unit 16, the distribution processing unit 17, and the analog signal processing unit 18. Output from the corresponding speaker 4 (4FL, 4FR, 4CT, 4SL, 4SR, 4SBL, 4SBR and 4SW). As a result, a sound field corresponding to the setting data D1 is formed.

(3-2) Sound field setting process The control unit 10 is based on the setting data D1 and the setting screen data D2 stored in the data storage medium 13, for example, when control data representing a setting start command for the sound field is given. The GUI screen data D3 is generated via the graphic processing unit 15, and a GUI screen corresponding to the GUI screen data D3 is displayed on the LCD 5 (FIG. 1).

  When the setting change command for the sound field is given from the operation input unit 11 according to the operation of the remote controller RCL or the like, the control unit 10 is stored in the data storage medium 13 according to the content of the setting change command. The contents of the setting data D1 are rewritten.

  At this time, if the content of the setting change command is content related to a sound image, the control unit 10 sends a predetermined test sound to the speaker 4 so that when the setting change command is given, a sound image corresponding to the setting change command is obtained. And the sound image is displayed on the LCD 5 (FIG. 1) as an image so that the sound image can be expressed auditorily and visually.

  In the case of this embodiment, in the home server 2, each speaker 4 (4FL, 4FR, 4CT, 4SL, 4SR, 4SBL, 4SBR, and 4SW) is connected to each sound field of, for example, a listening room, a kitchen, and a child room. Each space is assigned as a plurality of groups, and different reproduction sounds or the same reproduction sounds can be set to be output from the speakers 4 belonging to the group.

  Therefore, the home server 2 can centrally manage sound field correction in units of zones by arranging the speakers 4 belonging to each group in different sound field spaces and recognizing each sound field space as a zone. It is made like that.

(4) Sound field setting method Next, the sound field setting method by this home server 2 is demonstrated. The home server 2 displays various setting screens related to the sound field on the LCD 5 having a high display capability instead of the FL tube 14, and the sound field effect is set as a whole or for each part via the setting screen. Has been made to be able to.

(4-1) Overall setting of sound field effect That is, the control unit 10 of the home server 2 generates a home screen HM as shown in FIG. To display. In this home screen HM, a “video” icon AC1, a “music” icon AC2, and a “setting” icon AC3 are arranged in the highest hierarchy.

  Here, when the “setting” icon AC3 is selected and determined, and the “sound setting” icon AC4 in the lower hierarchy is selected and determined, the control unit 10 displays the surround setting screen SUD shown in FIG.

  This surround setting screen SUD includes an area (hereinafter referred to as a scene display area) AR1 representing a current scene and an area (hereinafter referred to as an operator) representing an operable operator among various operators in the remote controller RCL. AR2 which is called an operation display area) and an area (hereinafter referred to as a setting area) AR3 representing the setting contents of the sound field mode.

  The scene display area AR1 is in a bar state with a black color and is arranged at the upper end of the surround setting screen SUD. At the left end of the scene display area AR1, a setting icon AC3 which is the current target among various icons AC1 to AC3 arranged in the top layer of the home screen HM (FIG. 3) and specific setting contents are displayed. The name to be represented (“Surround”) is displayed by white coloration.

  Also, in the center of the scene display area AR1, the name of the listening point (“Position 1”) and the name of the equalizer state (“EQ 1”) that are currently set are displayed by white coloration. . By the way, the name of the listening point is “living room”, the name of the equalizer state is “dad version”, etc., both names can be changed to arbitrary names by operating the remote controller RCL on other setting screens. Can be changed.

  In addition, a rectangular area ZN with a yellow color is displayed three-dimensionally at the right end of the scene display area AR1, and the currently selected sound field mode is displayed at the center of the three-dimensional rectangular area. The name (for example, “PLII MUSIC”) is displayed by black coloration.

  Therefore, this scene display area AR1 can highlight the currently selected sound field mode via the rectangular area ZN, and it is intuitively what sound field mode is currently selected. It is designed so that the user can perform setting operations with awareness.

  On the other hand, the operation display area AR2 is in a bar state with a black coloration like the scene display area AR1, and is arranged at the lower end of the surround setting screen SUD. In the operation display area AR2, names of operable operators (“Return”, “Enter”, “Option”) among various operators in the remote controller RCL (FIG. 1) are displayed by white coloration. Displayed at regular intervals.

  As a result, the operation display area AR2 can intuitively make the user aware of which of the many operators is the operator related to the surround setting. As a result, In this way, erroneous operations can be prevented in advance.

  On the other hand, the setting area AR3 is arranged between the scene display area AR1 and the operation display area AR2, and in the center of the setting area AR3, a plurality of sound field modes and setting contents for the sound field mode are set. Is displayed in a table (hereinafter referred to as a setting table) TB.

  Specifically, the setting table TB includes a genre column C1, a sound field mode column C2, a first setting column C3, and a second setting column C4. The genre column C1 includes a genre name (“MOVIE”). , “MUSIC”, etc.) are vertically arranged, and in the sound field mode column C2, sound field mode names (“V. Multi Dimension”, “Hall”, etc.) are vertically arranged for each corresponding genre.

  In the first setting field C3, when the effect in the sound field mode can be adjusted as a whole, the adjustment parameter is displayed in proportion to the name of the sound field mode that can be adjusted. If it is possible, “-” is displayed in correspondence with the name of the sound field that can be adjusted. Incidentally, the effect level ratio has an initial value of 100 [%], and the sound field effect increases or decreases as the value increases or decreases.

  In the second setting field C4, when the effect in the sound field mode can be adjusted for each part, the characters “custom settings” are displayed in correspondence with the name of the sound field mode that can be adjusted. When the adjustment is impossible, the item corresponding to the name of the sound field mode that can be adjusted is blank.

  As a result, the setting area AR3 indicates whether or not the effect level adjustment for the sound field mode can be performed for each type (genre) of the sound field mode, and whether the level adjustment can be performed entirely or partially. The user can be made to grasp intuitively.

  Further, in this setting table TB, a scroll bar SB indicating the total display length and a scroll knob TM indicating the current display position with respect to the total display length are displayed at the right end. The scroll knob TM is displayed on the remote controller RCL. In conjunction with the operation of (FIG. 1), the scroll bar SB is moved and the items C1 to C4 in the setting table TB are vertically scrolled.

  As a result, the setting area AR3 can grasp the possibility of effect level adjustment for all sound field modes and the adjustment content of the effect in a limited display area (setting table TB). ing.

  In addition to this, in the setting table TB of the setting area AR3, the cursor CL colored yellow is displayed on the remote controller RCL (FIG. 1) on the sound field mode column C2 and the first setting column C3. In the explanation field ECA provided below the setting table TB, the cursor CL is positioned such as “reproduce the sound of a jazz club”. A description of the sound field mode corresponding to the sound field mode column C2 is displayed.

  As a result, the setting area AR3 can convey the effect image of the sound field mode selected by the cursor CL by the name and description displayed in the sound field mode column C2. It is designed so that it can be grasped more accurately than in the case of simply communicating.

  Further, the cursor CL is associated with the pressed button in conjunction with the pressing operation of the button assigned as the operating element corresponding to the genre among the operating elements in the remote controller RCL (FIG. 1). Among the items of the sound field mode belonging to the selected genre, the sound field mode item is moved to the head.

  As a result, the setting area AR3 can move the cursor CL in a unit having a certain order called a genre. Therefore, the setting area AR3 is simpler than the case where the cursor is moved in units of names of sound field modes arranged randomly. Allows the user to select the name of the desired sound field mode.

  Here, as shown in FIG. 4, when the effect in the sound field mode can be adjusted as a whole, for example, when “Jazz Club” is selected and determined, the control unit 10 The cursor CL width is narrowed and the cursor CL is arranged only on the first setting field C3.

  At this time, as described above, the control unit 10 displays the explanation corresponding to the sound field mode of “Jazz Club” in the explanation column EC of the setting area AR3, so that the ratio of the effect level is changed to the user. Thus, the effect level ratio can be changed while accurately imagining the effect of the sound field mode.

  In this state, the control unit 10 increases or decreases the effect level ratio “100%” displayed in the first setting field C3 in conjunction with the pressing operation of the up and down buttons on the remote controller RCL (FIG. 1). When the determination button in the remote controller RCL (FIG. 1) is pressed, the content of the setting data D1 stored in the data recording medium 13 is rewritten to the content corresponding to the ratio at this time.

(4-2) Effect partial setting in sound field mode (1)
On the other hand, as shown in FIG. 6, assuming that the effect in the sound field mode can be adjusted for each part, for example, when “PLIIMusic” is selected and determined, the control unit 10 performs the operation as shown in FIG. The cursor CL width is narrowed and the cursor CL is arranged only on the second setting field C4.

  In this state, when the determination operation is performed by the remote controller RCL (FIG. 1), the control unit 10 displays the first custom setting screen CSM1 shown in FIG.

  The custom setting screen CSM1 includes the same scene display area AR1 and operation display area AR2 as the above-described surround setting screen SUD (FIG. 4), and an area representing the contents of the custom setting mode (hereinafter referred to as a custom setting area). It consists of AR13.

  The custom setting area AR13 is arranged between the scene display area AR1 and the operation display area AR2, and in the center of the custom setting area AR13, a three-dimensional figure imitating a listening room (hereinafter referred to as a listening room figure). FigRM, and a figure (hereinafter, referred to as an effect figure) FigC, FigD, and FigP representing the effect state in the center widget control mode, dimension control mode, and panorama mode are displayed.

  Specifically, this listening room figure FigRM displays the listening point by “▽”, and with the listening point as a reference, the left front speaker, the right front speaker, the center speaker, the left surround speaker, the right surround speaker, the left surround At least speaker icons simulating a back speaker, a right surround back speaker, and a subwoofer are displayed.

  Incidentally, in the listening room figure FIGRM of this embodiment, when the actual speaker 4 (FIG. 1: 4FL, 4FR, 4CT, 4SL, 4SR, 4SBL, 4SBR and 4SW) is not connected to the home server 2, The corresponding speaker icon is not displayed.

  Each effect graphic FigC, FigD, and FigP represents the extent and direction of the effect according to the shape, the strength of the effect according to the shading, and the actual relationship depending on the positional relationship with the speaker icon in the listening room FigRM. It is designed to represent the atmosphere of the sound field space.

  Therefore, the custom setting area AR13 allows the user to accurately (objectively) grasp the effect image in the custom setting mode. Therefore, the user can select a desired custom setting mode without reading a manual or the like.

  In addition, the names of the corresponding custom setting modes ("Center Width Control", "Dimension Control", and "Panorama Mode") are displayed in the vicinity of each of the effect figures FigC, FigD, and FigP. A cursor CL that moves in conjunction with the operation of the remote controller RCL (FIG. 1) is displayed.

  Then, in the explanation column ECb provided at the lower end of the custom setting area AR13, the effect contents in the custom setting mode in which the cursor CL is positioned are displayed. Specifically, when the cursor CL is positioned in the center widget control mode, a message such as “Adjustment of center channel sound generated by Dolby Pro Logic II to the front L / R speakers can be made” is displayed. Is done.

  If you are in the dimension control mode, the message “Highlight the level difference between the front channel and surround channel” will be displayed. If you are in the panorama mode, “Send the sound field mode (panoramic mode) that leads to surround” is displayed.

  As a result, the custom setting area AR13 displays the effect image in the custom setting mode selected by the cursor CL more accurately (objectively) than when only the effect figures FIG. C, FIG. D, and FIG. P are displayed. It is made to be able to grasp.

  Here, for example, when the panorama mode is selected and determined, the control unit 10 changes the color of the effect graphic FIG. P corresponding to “Panorama Mode” to a color different from that of the other effect graphics FIG. C, FIG. change. For convenience of explanation, FIG. 9 shows only the effect graphic FIG. P corresponding to the panorama mode.

  Further, the control unit 10 displays adjustment parameters “ON” and “OFF” immediately below the characters “Panorama Mode” and moves the cursor CL to the adjustment parameter. When the “ON” item is selected, the control unit 10 displays the effect graphic FIG. P as shown in FIG. 9, and when “OFF” is selected, the control unit 10 displays the effect graphic FIG. As described above, the effect figure FigP is deleted from the listening room figure FigRM.

  When the panorama mode is selected and determined, the control unit 10 indicates that the panorama mode has contents such as “turn around the sound field of the front side to the left and right, leading to surround”. In order to express the extent, direction, strength, etc. of the effect spread in the panorama mode by the arrow effect figure FigP, while turning the panorama mode on or The off setting can be executed.

  In this state, when an ON or OFF setting operation is performed, the control unit 10 rewrites the content of the setting data D1 stored in the data recording medium 13 to the content indicating that the Palorama mode is ON or OFF. Has been made.

  On the other hand, when the center widget control mode is selected and determined, as shown in FIG. 11, the control unit 10 changes the color of the effect graphic FIG. C corresponding to the center widget control mode from that of the other effect graphics FIG. Change to color. For convenience of explanation, FIG. 11 shows only the effect graphic FIG. C corresponding to the center widget control mode.

  In addition, the control unit 10 displays an inverted triangular pointer P in place of the cursor CL together with the adjustment parameter value of the center widget control mode at the corresponding position of the effect graphic FIGC. The value of this adjustment parameter represents the ratio of the audio signal of the channel corresponding to the center speaker 4CT (FIG. 1) to the left front speaker 4FL (FIG. 1) and the right front speaker 4FR (FIG. 1) in eight stages. Has been made.

  In the case of this embodiment, as shown in FIG. 11, when the pointer P is positioned in the middle of the effect graphic FIG. C by the operation of the remote controller RCL, the control unit 10 displays the adjustment parameter value as “0” stage. At the same time, the distribution ratio of the audio signal of the channel corresponding to the center speaker 4CT (FIG. 1) is temporarily set as a minimum.

  Further, the control unit 10 increases the adjustment parameter value by “1” steps as the pointer P approaches the left end from the center position of the effect graphic FIG. C, and the center speaker 4CT (FIG. 1) according to the step. Temporarily set in a state where the distribution ratio of the audio signal of the channel corresponding to is increased. Incidentally, when the adjustment parameter value is in the “3” stage, the ratios of the center channel, the left front channel, and the right front channel are equal.

  Further, as shown in FIG. 12, when the pointer P is positioned at the left end of the effect graphic FIG. C, the control unit 10 displays the adjustment parameter value as “7” level and corresponds to the center speaker 4CT (FIG. 1). Temporarily set the channel audio signal distribution ratio to the maximum.

  When the center widget control mode is selected and determined, the control unit 10 indicates in the explanation column ECb that the center widget control mode has contents such as “distribute the center channel audio to the front L / R speakers”. As shown in FIG. 11 and FIG. 12, the sound field mode is used to express the extent, direction, strength, etc. of the effect spread in the center widget control mode by the bar-shaped effect graphic FIG. This "Center Width Control" provisional setting can be executed while making the effect of the image accurate for the user.

  In this state, when the setting operation is performed, the control unit 10 rewrites the content of the setting data D1 stored in the data recording medium 13 to the content temporarily set at the time of the operation.

  On the other hand, when the dimension control mode is selected and determined, the control unit 10 changes the color of the effect graphic FIGD corresponding to the dimension control mode to a color different from that of the other effect graphics FIGC and FIGP as shown in FIG. . Incidentally, for convenience of explanation, FIG. 13 shows only the effect graphic FIGD corresponding to the panorama mode.

  Further, the control unit 10 causes the pointer P instead of the cursor CL to be displayed together with the adjustment parameter value in the dimension control mode at the corresponding position of the effect graphic FIGD. The value of the adjustment parameter represents the level difference between the front channel and the surround channel in seven stages.

  In the case of this embodiment, as shown in FIG. 13, when the pointer P is positioned in the middle of the effect graphic FIGD by the operation of the remote controller RCL, the control unit 10 displays the adjustment parameter value as “0” stage. At the same time, the level difference between the front channel and the surround channel is temporarily set as a minimum.

  Then, the control unit 10 increases the adjustment parameter value by “1” steps as the pointer P approaches the left end from the center position of the effect graphic FIG. D, and increases the level of the front channel by a predetermined ratio according to the step. And the surround channel level is temporarily set in a state of lowering by a predetermined ratio.

  As shown in FIG. 14, when the pointer P is positioned at the left end of the effect graphic FIG. D, the control unit 10 displays the adjustment parameter value as “+3” stage, maximizes the front channel pulling rate, and surrounds. Temporarily set the channel reduction rate to the minimum.

  On the other hand, the control unit 10 increases the adjustment parameter value by “1” steps as the pointer P approaches the right end from the center position of the effect graphic FIG. D, and the front channel of the effect graphic FIG. The level is lowered by a predetermined ratio, and the surround channel level is temporarily set by a predetermined ratio.

  As shown in FIG. 15, when the pointer P is positioned at the right end of the effect graphic FIGD, the control unit 10 displays the adjustment parameter value as “+3” stage, minimizes the reduction rate of the front channel, and surrounds. Temporarily set the channel lift rate to maximum.

  When this dimension control mode is selected and determined, the control unit 10 informs that the dimension control mode has contents such as “enhance the level difference between the front channel and the surround channel” by an explanatory text in the explanation column ECb. As shown in FIGS. 13 to 15, the effect of the sound field mode is expressed to the user in order to express the extent, direction, strength, etc. of the effect in the dimension control mode by the bar-shaped arrow effect graphic FIG. This makes it possible to execute the temporary setting of the dimension control mode while making the image accurate.

  In this state, when the determination operation is performed, the control unit 10 rewrites the content of the setting data D1 stored in the data recording medium 13 to the content temporarily set at the time of the operation.

(4-3) Partial setting of effect in sound field mode (2)
On the other hand, assuming that the effect in the sound field mode can be adjusted for each part, as shown in FIG. 16, for example, when the item “CINEMA STUDIO EX” is selected and determined, the same reference numerals are assigned to the corresponding parts in FIG. A second custom setting screen CSM2 shown in FIG.

  In the center of the custom setting area AR13 on the custom setting screen CSM2, a listening room figure FigRM, an effect figure FigSD and a virtual speaker icon ASD in the screen depth mode, and an effect figure FigVS and the virtual speaker icon AVS in the virtual speaker mode are displayed. Is done.

  In addition, the names of the corresponding custom setting modes “Screen Depth” and “Virtual Speakers” are displayed in the vicinity of each of the effect figures FIGSD and FIGVS, and these names are linked to the operation of the remote controller RCL (FIG. 1). A moving cursor CL is displayed.

  Then, in the explanation column ECb provided at the lower end of the custom setting area AR13, the effect contents in the custom setting mode in which the cursor CL is positioned are displayed. Specifically, when the cursor CL is positioned at “Screen Depth”, a content such as “Create a sensation of sound coming out of a screen with a very large depth” is displayed, and “Virtual Speakers” is displayed. If it is located, a content such as “Generate virtual speaker” is displayed.

  Here, when the screen depth mode is selected and determined, the control unit 10 displays adjustment parameters “ON” and “OFF” immediately below the characters “Screen Depth”, as shown in FIG. The cursor CL is moved to the adjustment parameter. Incidentally, for convenience of explanation, FIG. 18 shows only the effect figure FIGSD corresponding to the screen depth mode.

  When the “ON” item is selected, the control unit 10 sets the screen depth mode to “create a sensation of sound coming from a screen with a very large depth” as shown in FIG. The contents are described by an explanatory text in the explanation column ECb.

  In addition, the control unit 10 displays three virtual speaker icons ASD above and behind the front speaker in the listening room figure FIGRM, and displays a circular effect figure FIGSD from the virtual speaker icon ASD, so that the screen depth mode is displayed. It is possible to express the extent, direction, strength, etc. of the effect spread.

  On the other hand, when the item “OFF” is selected, the control unit 10 deletes the virtual speaker icon ASD and the effect graphic FIGSD from the listening room graphic FIGRM as shown in FIG. As a result, the control unit 10 can cause the screen depth mode to be turned on or off while causing the user to accurately image the effect of the screen depth mode.

  In this state, when the on / off setting operation is performed, the control unit 10 rewrites the content of the setting data D1 stored in the data recording medium 13 to the content indicating that the screen depth mode is on or off. Has been made.

  On the other hand, when the cursor CL is selected and determined for the virtual speaker mode, the control unit 10 displays adjustment parameters “ON” and “OFF” immediately below the characters “Virtual Speakers” as shown in FIG. At the same time, the cursor CL is moved to the adjustment parameter. For convenience of explanation, FIG. 20 shows only the effect graphic FIGVS corresponding to the virtual speaker mode.

  Then, when the item “ON” is selected, the control unit 10 explains that the virtual speaker mode has a content such as “generate virtual speaker” as shown in FIG. 20 in the explanation column ECb. Tell by sentence.

  In addition, the control unit 10 displays ten virtual speaker icons AVS above the left surround speaker, right surround speaker, left surround back speaker, and right surround back speaker in the listening room figure FigRM, and displays a circle from the virtual speaker icon AVS. By displaying the effect graphic FIGVS, the extent, direction, strength, etc. of the effect in the virtual speaker mode can be expressed.

  On the other hand, when the item “OFF” is selected, the control unit 10 erases the virtual speaker icon AVS and the effect graphic FIGVS from the listening room graphic FIGRM as shown in FIG. As a result, the control unit 10 can execute the setting of the virtual speaker mode on or off while causing the user to accurately imagine the effect of the virtual speaker mode.

  In this state, when the on / off setting operation is performed, the control unit 10 rewrites the content of the setting data D1 stored in the data recording medium 13 to the content indicating that the virtual speaker mode is on or off. Has been made.

(5) Operation and Effect In the above configuration, the AV system 1 arranges the names of the sound field modes for each genre, and the sound field that can be adjusted when the effects in the sound field mode can be adjusted as a whole. If the adjustment parameter is displayed in correspondence with the name of the mode and the effect in the sound field mode can be adjusted for each part, the adjustment must be made in correspondence with the name of the sound field mode that can be adjusted. Is displayed (“custom settings”) (FIG. 4 etc.).

  Therefore, the AV system 1 determines whether or not the effect level can be adjusted for the sound field mode for each type (genre) of the sound field mode, and whether the level adjustment can be performed entirely or partially. The setting operation can be performed after intuitively recognizing the user.

  Further, in this AV system 1, since the user only needs to operate the sound field setting for the sound field space in accordance with the instructions along the flow of various GUI screens, the sound field setting operation can be easily performed. By displaying the description of the sound field or the like on the GUI screen, the state of the sound field or the like can be presented and easily understood without having the user read the instruction manual.

  Furthermore, in the AV system 1, when adjusting the effect in the sound field mode for each part, a figure showing the effect state of the part (the effect figures FIG. P, FIG. D, FIG. C in FIG. 8 or the effect figure in FIG. 17). FigSD, FigVS) are displayed on a three-dimensional figure (listening room figure RM) corresponding to a predetermined listening room.

  Therefore, the AV system 1 can perform the setting operation after intuitively recognizing the sound field effect visually even if it is difficult to imagine with the sound field description.

  In addition, in the AV system 1, when the effect in the sound field mode is adjusted for each part, the graphic representing the state of the corresponding effect according to the variable of the adjustment parameter (the effect graphic FigP, FigD in FIG. 8). , FIG. C, and the effect graphic FIG. SD, FIG. VS) of FIG. 17 are changed on the listening room graphic RM, so that the sound field effect when set can be set more intuitively.

  According to the above configuration, the AV system 1 can provide a graphical user interface that can make the sound field setting operation easier than in the past.

(6) Other Embodiments In the above-described embodiment, the flow of one GUI screen has been described. However, the present invention is not limited to this, and various other combinations and orders are not limited to GUI screen transitions. You may make it change to.

  In the above-described embodiment, the surround setting screen SUD having the configuration shown in FIG. 4, the custom setting screen CSM1 having the configuration shown in FIG. 8, and the custom setting screen CSM2 having the configuration shown in FIG. However, the present invention is not limited to this, and various configurations can be applied.

  For example, although the various sound field modes in the setting table TB are displayed with names, the sound field modes may be displayed with icons instead. Also, for example, when adjusting the effect in the sound field mode as a whole, the adjustment parameter is displayed as a ratio. Instead, the effect in the sound field mode is displayed as a graphic, and this graphic is displayed. Alternatively, the adjustment parameter may be changed according to the change of the adjustment parameter.

  Further, for example, when the effect in the sound field mode can be partially adjusted, “custom settings” is displayed in the setting table TB, but instead, the effect can be partially adjusted. You may make it display the icon showing. In short, any identifier that identifies that the effect in the sound field mode can be partially adjusted may be used.

  Further, for example, the graphic representing the effect state (effect graphic FigP, FigD, FigC in Fig. 8 and effect graphic FigSD, FigVS in Fig. 17) is represented by a bar or an arrow. The effect space may be represented by a polygon. In this way, the effect of the sound field mode can be more intuitively recognized by the user.

  In addition, for example, in the setting in the center width control mode, the left / right distribution ratio of the audio signal of the channel corresponding to the center speaker 4CT (FIG. 1) is adjusted. You may make it adjust.

  Further, for example, the setting area AR3 on the surround setting screen SUD and the custom setting area AR13 on the custom setting screens CSM1 and CSM2 may be displayed on the same screen using a scroll bar or the like.

  Thus, the present invention can apply setting screens of various configurations in addition to the items listed as examples.

  Furthermore, in the above-described embodiment, a case where the control unit 10 of the home server 2 expands a program stored in the ROM on the RAM and executes sound field setting processing using a GUI according to the program. As described above, the present invention is not limited to this, and the sound field setting is performed by the control unit 10 according to a program installed from a recording medium such as a CD (Compact Disc), a DVD (Digital Versatile Disc), or a semiconductor memory, or a program downloaded from the Internet. Processing may be executed.

  Furthermore, in the above-described embodiment, as a component of the acoustic device (home server 2) to which a plurality of speakers 4 corresponding to multi-channels are connected, the selected sound field mode is selected from among a plurality of sound field modes. A correspondence table of sound field forming means (digital signal processing unit 16, distribution processing unit 17 and analog signal processing unit 18) for forming a sound field based on the sound field modes and the setting contents for the sound field mode. Although the case where the display control means (graphic processing unit 15) to be displayed is configured as hardware has been described, the present invention is not limited to this, and these components may be configured as software. good.

  The present invention can be used, for example, in a multi-channel DVD multi-speaker system, an in-vehicle multi-channel speaker system, a theater multi-speaker system, and the like for setting a plurality of speakers.

It is a basic diagram which shows the whole structure of AV system. It is a rough-line block diagram which shows the structure of a home server. It is a basic diagram which shows a home screen. It is a basic diagram which shows a surround setting screen. It is a basic diagram which shows the setting of an effect level. It is a basic diagram which shows the movement (1) of a cursor. It is a basic diagram which shows the movement (2) of a cursor. It is a basic diagram which shows a custom setting screen (1). It is a basic diagram which shows the ON state of panoramic mode. It is a basic diagram which shows the OFF state of panorama mode. It is a basic diagram which shows the setting state (1) of a center widget control mode. It is a basic diagram which shows the setting state (2) of center widget control mode. It is a basic diagram which shows the setting state (1) of dimension control mode. It is a basic diagram which shows the setting state (2) of dimension control mode. It is a basic diagram which shows the setting state (3) of dimension control mode. It is a basic diagram which shows the movement (3) of a cursor. It is a basic diagram which shows a custom setting screen (2). It is a basic diagram which shows the ON state of screen depth mode. It is a basic diagram which shows the OFF state of screen depth mode. It is a basic diagram which shows the ON state of virtual speaker mode. It is a basic diagram which shows the OFF state of virtual speaker mode.

Explanation of symbols

  1 ... AV system, 2 ... home server, 3A ... DVD player, 3B ... CD player, 3C ... portable music player, 4FR ... right front speaker, 4FL ... left front speaker, 4SR ... right Surround speaker, 4SL: Left surround speaker, 4CT: Center speaker, 4SBR: Right surround back speaker, 4SBL: Left surround back speaker, 4SW: Subwoofer, RCL: Remote controller, 10: Control unit, 11 ...... Operation input unit, 12 ... Interface, 13 ... Data storage medium, 14 ... FL tube, 15 ... Graphic processing unit, 16 ... Digital signal processing unit, 17 ... Distribution processing unit, 18 ... Analog Signal processing unit.

Claims (10)

An audio device for connecting a plurality of speakers compatible with multi-channel,
A sound field forming means for forming a sound field based on a selected sound field mode among a plurality of sound field modes;
An acoustic apparatus comprising: display control means for controlling a display means to display a correspondence table between the plurality of sound field modes and the setting contents for the sound field modes. The display control means includes
The acoustic device according to claim 1, wherein an explanation of the selected sound field mode among the plurality of sound field modes is displayed on the same screen as the correspondence table. The display control means includes
The above sound field modes are arranged for each genre, and the cursor is moved to the head item of the sound field mode belonging to the genre corresponding to the operated controller among the controls assigned to each genre. The acoustic device according to claim 1, wherein the acoustic device is characterized. The display control means includes
In one of the setting fields for the sound field mode, when the effect in the sound field mode can be adjusted as a whole, the first adjustment parameter for the entire effect is set in correspondence with the sound field mode that can be adjusted. The acoustic device according to claim 1, wherein the acoustic device is displayed by a ratio. The display control means includes
In one of the setting fields for the sound field mode, when an effect in the sound field mode can be partially adjusted, an identifier indicating that the adjustment is possible in association with the adjustable sound field mode. The acoustic device according to claim 1, wherein: The display control means includes
When the identifier is selected, a second adjustment parameter for a part of the effect in the sound field mode corresponding to the selected identifier is displayed, and a state figure representing a part of the effect is displayed in a predetermined shape. The audio device according to claim 5, wherein the sound device is displayed on a three-dimensional figure corresponding to the listening room. The display control means includes
The audio apparatus according to claim 6, wherein an explanation of adjustment contents for a part of the effect in the sound field mode corresponding to the selected identifier is displayed on the same screen as the state graphic and the three-dimensional graphic. The display control means includes
The acoustic device according to claim 6, wherein a graphic representing a partial state of the effect is varied according to the adjustment of the second adjustment parameter. A sound setting method of an audio device for connecting a plurality of speakers corresponding to multi-channels,
A first step of controlling the display means to display a correspondence table of a plurality of sound field modes and the setting contents for the sound field modes;
A second step of forming a sound field based on the selected sound field mode among a plurality of sound field modes according to the setting content set through the correspondence table. Setting method. Displaying a correspondence table of a plurality of sound field modes and setting contents for the sound field modes on the display means;
A sound field based on a selected sound field mode among a plurality of sound field modes is transmitted to the signal processing means of the sound device to which a plurality of speakers corresponding to multi-channel are connected via the above association table. A program characterized in that it forms according to the set contents.