JP2008146057A - Music and video playback device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a music / video playback apparatus capable of displaying a background video suitable for music data.
SOLUTION: Background genre data is read from music data registered in a music reservation area (S26), and the check position for checking the key information stored in the key information storage buffer is set in the data. When the key information stored in the corresponding position matches the key information in the background genre data (S28: Yes), the background genre corresponding to the matched key information is acquired (S31). ), Background video data is acquired from the background video management data corresponding to the determined background genre (S33), and the selected background video data is sent to the background video signal generation circuit to start reproduction (S34).
[Selection] FIG.

Description

  The present invention relates to a music / video playback apparatus, and more particularly to a music / video playback apparatus applicable to a karaoke apparatus in which music and video are different data.

2. Description of the Related Art Conventionally, a communication karaoke playback apparatus is known in which music data is held on a hard disk or the like as digital data (MIDI data or the like), for example, and the music data is sent to a MIDI sound source for playback during performance. In this case, in the karaoke player, it is necessary to display the lyrics and other images according to the playback music, so the lyrics data is also recorded in the song data, and the lyrics data is also read and displayed on the screen during playback. I am letting. However, in this state, the video is only lyric and very stale. However, if the music data (moving video) data is included in the music data, the music data becomes huge. Therefore, karaoke playback that has only music playback and lyrics display as music data, background video played on a laser disc (hereinafter LD) or DVD, etc., and lyrics are superimposed on the background video and displayed on the screen An apparatus has been developed (see, for example, Patent Document 1). Also, as a method for selecting karaoke music data, it is usually performed by inputting numerical values or characters corresponding to music data, which are usually called music numbers, one-to-one. Searching devices that can select music data by inputting etc. have been proposed.
JP 11-95761 A

  However, the method for displaying the lyrics and the background video has a problem in that the music video and the background video data on the LD or DVD are not linked, and a background video that does not match the contents of the lyrics is displayed. There is also a device that allows the user to select a background image. In this case, however, there is a problem that the user is burdened with the selection.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a music / video playback apparatus capable of displaying a background video suitable for music data without imposing a load on the user.

  In order to achieve this object, in the music / video playback apparatus according to the first aspect of the present invention, music data storage means storing a plurality of music data, video data storage means storing a plurality of video data, Music data selection means for selecting music data to be read and reproduced from the music data storage means using key information relating to the classification of the music, and music data selected by the music data selection means from the music data storage means Music reproduction means for reading and playing, display means for displaying video data, video data selection means for selecting video data to be displayed on the display means from the video data storage means using the key information, and the video data Video data display control means for displaying the video data selected by the selection means on the display means.

  In the music / video playback device having the above configuration, the music data storage means stores a plurality of music data, the video data storage means stores a plurality of video data, and the music data selection means reads from the music data storage means. When the music data to be reproduced is selected using the key information relating to the music classification, the music reproduction means reads out the music data selected by the music data selection means from the music data storage means and reproduces it. The video data selection means selects the video data to be displayed on the display means from the video data storage means using the key information, and the video data display control means displays the video data selected by the video data selection means on the display means. Therefore, since the video data is displayed based on the key information related to the music classification used by the music data selection means, it is possible to display the background video that matches the characteristics of the music data.

  In addition to the configuration of the invention according to claim 1, in the music / video playback device of the invention according to claim 2, the music data is played back in accordance with the key information and the key information. And background genre data indicating a genre of video data to be used as a background image, and the video data selection means selects video data to be displayed on the display means based on background genre data corresponding to the key information. It is characterized by that.

  In the music / video playback device having the above-described configuration, in addition to the operation of the invention according to claim 1, music data is used as a background image at the time of video playback corresponding to the key information and the key information. The video data selection means selects the video data to be displayed on the display means based on the background genre data corresponding to the key information.

  In addition, in the music / video playback device of the invention according to claim 3, in addition to the configuration of the invention according to claim 2, the music data selection means uses the highest-order key information in the key information group having a tree structure. Sequentially select lower key information, obtain music specifying information belonging to the most downstream key information, select music data based on the music specifying information, and the video data selecting means is selected by the music data selecting means It is determined whether the corresponding background genre data exists in order from the lowest key information among the received key information, and the video data based on the background genre data corresponding to the lowest key information for which the corresponding background genre data exists It is characterized by selecting.

  In the music / video reproducing apparatus having the above-described configuration, in addition to the operation of the invention according to claim 2, the music data selecting means sequentially selects the lower key information from the highest key information in the key information group having a tree structure. To obtain music specifying information belonging to the most downstream key information, select music data based on the music specifying information, and the video data selecting means is the most key information selected by the music data selecting means. In order from the lower order, it is determined whether the corresponding background genre data exists, and video data is selected based on the background genre data corresponding to the lowest key information for which the corresponding background genre data exists.

  Further, in the music / video reproduction apparatus according to the invention according to claim 4, in addition to the configuration of the invention according to any one of claims 1 to 3, the music data storage means and the video data storage means are stored in the same memory. It is a means.

  In the music / video playback apparatus having the above-described configuration, in addition to the operation of the invention according to any one of claims 1 to 3, the music data storage means and the video data storage means are the same storage means.

  Further, in the music / video playback device of the invention according to claim 5, in addition to the configuration of the invention according to any one of claims 1 to 4, the music data includes key information used by the music data selection means. It is characterized by that.

  In the music / video playback apparatus having the above configuration, in addition to the operation of the invention according to any one of claims 1 to 4, key information used by the music data selection means is included in the music data.

  Further, in the music / video playback device of the invention according to claim 6, in addition to the configuration of the invention according to any one of claims 1 to 5, the key information used by the music data selection means is the music data. Separately, key information data storage means for storing as key information data is provided.

  In the music / video playback apparatus having the above-described configuration, in addition to the operation of the invention according to any one of claims 1 to 5, the key information data storage means converts the key information used by the music data selection means to music data. Separately stored as key information data.

  In addition, in the music / video playback device of the invention according to claim 7, in addition to the configuration of the invention according to any one of claims 1 to 6, the music data also has character data, and when the video data is played back, Superimposing means for superimposing character data on video data is provided.

  In the music / video playback apparatus having the above-described configuration, in addition to the operation of the invention according to any one of claims 1 to 6, the music data also includes character data, and the superimposing means is used when the video data is played back. Superimpose character data into video data.

  As is clear from the above description, in the music / video playback device of the invention according to claim 1, the music data storage means stores a plurality of music data, the video data storage means stores a plurality of video data, When the music data selection means selects the music data to be read and reproduced from the music data storage means using the key information relating to the classification of the music, the music playback means selects the music data selected by the music data selection means. It can be read from the data storage means and reproduced. The video data selection means selects the video data to be displayed on the display means from the video data storage means using the key information, and the video data display control means displays the video data selected by the video data selection means on the display means. Can do. Therefore, since the video data is displayed based on the key information related to the music classification used by the music data selection means, it is possible to display the background video that matches the characteristics of the music data.

  In addition, in the music / video playback device of the invention according to claim 2, in addition to the effect of the invention of claim 1, the music data corresponds to the key information and the key information at the time of video playback. The video data selection means can select video data to be displayed on the display means based on the background genre data corresponding to the key information.

  In addition, in the music / video playback apparatus of the invention according to claim 3, in addition to the effect of the invention of claim 2, the music data selection means sequentially starts with the highest key information in the key information group having a tree structure. The lower key information is selected to obtain the music specifying information belonging to the most downstream key information, the music data is selected based on the music specifying information, and the video data selecting means is the key selected by the music data selecting means. In order from the lowest information, it is determined whether the corresponding background genre data exists, and video data is selected based on the background genre data corresponding to the lowest key information in which the corresponding background genre data exists. be able to.

  In addition, in the music / video playback device of the invention according to claim 4, in addition to the effect of the invention according to any one of claims 1 to 3, the same storage means is provided for the music data storage means and the video data storage means. Can be used.

  In addition, in the music / video playback device of the invention according to claim 5, in addition to the effect of the invention according to any one of claims 1 to 4, key information used by the song data selection means is included in the song data. The background video that matches the characteristics of the music data can be displayed.

  Further, in the music / video playback device of the invention according to claim 6, in addition to the effect of the invention according to any one of claims 1 to 5, the key information data storage means is key information used by the music data selection means. Can be stored as key information data separately from the music data.

  In addition, in the music / video playback device of the invention according to claim 7, in addition to the effects of the invention according to any one of claims 1 to 6, the music data also has character data, and the superimposing means Character data can be superimposed on video data during data playback.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 is an overall configuration diagram of a specific example in which the present invention is implemented. Explaining this configuration, a performance terminal 1, a volume amplification amplifier 2, a speaker 3 that utters music, a microphone 4 used when a user sings, and a remote controller 5 used when a user selects music The CRT 6 displays video and character data.

  Next, the electrical structure of the performance terminal 1 will be described with reference to FIG. The performance terminal 1 according to the present embodiment operates according to a command from the CPU 7. The CPU 7 is connected with a push button 10, a 7-segment LED 9, and a remote control light receiving unit 8.

  Further, the CPU 7 stores the music data 20, the music data search data 21, the software 22 for operating the CPU 7 and the background video management data 24, and the music performance circuit 13 for reproducing the music data 20. The DVD drive 14 that reads the DVD 15 that stores the background video data 25, the music reservation area 30 that registers the music data 20 read from the hard disk drive 12, the music data search data 21, the software 22 that operates the CPU 7, and the background Memory 11 that temporarily stores video management data 24 and the like, background video signal generation circuit 16 that converts background video data 25 output from DVD drive 14 to an actual video signal, and music data 20 are stored. Generate lyrics information as video information and background A video processing circuit 17 to superimpose the image signal output from the image signal generating circuit is connected.

  In addition to the above, the key information storage buffer 23 is secured in the memory 11 as an area. As described above, the video processing circuit 17 is connected to the CPU 7 and directly connected to the background video signal generation circuit 16, and the DVD drive 14 is also connected to the CPU 7 and connected to the background video signal generation circuit 16. When the CPU 7 issues a playback start trigger, the background video is automatically generated without depending on the processing of the CPU 7 thereafter. A music output terminal 18 is connected to the music performance circuit 13. The music output terminal 18 is connected to the volume amplification amplifier 2. A video output terminal 19 is connected to the video processing circuit 17. The video output terminal 19 is connected to the CRT 6.

  The volume amplification amplifier 2 connected to the performance terminal 1 via the music output terminal 10 is a known one, and a speaker 3 and a microphone 4 are connected thereto. The remote control light receiving unit 8 can receive infrared rays output from the remote control 5. It is possible to put digital data on the infrared rays transmitted from the remote controller 5, and this mechanism is known.

  Next, the appearance of the push button 10 and the remote controller 5 will be described with reference to FIG. The push button 10 and the remote controller 5 are equipped with the same buttons, which are number buttons 10a and 5a for inputting numbers from 0 to 9, direction buttons 10b and 5b, and confirmation buttons 10c and 5c.

  Next, the structure of the music data 20 will be described with reference to FIG. The song data 20 includes song number data 20a storing song numbers for managing the song, music data 20b used in the music performance circuit 13, lyrics data 20c used for displaying lyrics, and background. It consists of background genre data 20d for selecting the genre of video and music information data 20e in which information on the music is stored. The music number 20a always indicates one piece of music data 20, and there is no overlap.

  In the background genre data 20d, a plurality of key information 20f and a background genre 20g are stored as a pair (some may be singular depending on the music piece). There is always one special data “undesignated” in the key information 20f. In the background genre 20g, the genre name in the background video management data 24 is set. The song information data 20e stores a song name 20h, a singer name 20i, and an announcement year 20j. A plurality of music data 20 are stored in the hard disk drive 12.

  Next, the structure of the music data search data 21 will be described with reference to FIG. The music data search data 21 is composed of key information 21a representing the corresponding data itself, child key information 21b and music number 21c positioned further below the key information. A plurality of pieces of child key information 21b and music number 21c can be stored in one music data search data 21.

  The key information hierarchy may be larger than two levels. In the present embodiment, the key information has five levels in the hierarchy of song genre → J-POPS → female solo → Utada Hikari → song number, and four levels in the theme song → drama → XX heart → song number hierarchy. A plurality of music data search data 21 are stored in the hard disk drive 12.

  Next, the structure of the background video management data 24 will be described with reference to FIG. The background video management data 24 includes a background genre name 24a and a data name 24b. A plurality of data names 24b can exist in one background video management data. A plurality of background video management data 24 are stored in the hard disk drive 12.

  Next, the structure of the background video data 25 will be described with reference to FIG. The background video data 25 is composed of a data name 25a and data contents 25b. The substance of the data content 25b is moving image data defined by the MPEG1 standard.

  Next, the basic operation of the karaoke apparatus will be described with reference to the flowchart of FIG. Normally, when operating as a karaoke device, the karaoke device is in a music selection waiting state, and when the user performs a music selection act using the push button 10 or the remote controller 5 (S1), the CPU 7 corresponds to the registered music. The music data 20 is extracted from the hard disk drive 12 and stored in the memory (S2), the background video corresponding to the music is selected and playback is started (S3), and the lyrics data 20c and music data present in the music data 20 are selected. While playing back 20b in synchronization (S4), it is confirmed whether or not the music is finished (S5). When the music is finished (S5: Yes), the process returns to the music selection process (S1).

  Next, the processing of S1 in FIG. 8 will be described in detail with reference to the flowcharts FIG. 9 and FIG. First, in the music selection waiting state, after clearing the key information storage buffer 23 (S6), the child key information 21b of the “root” music data search data 21 is displayed on the screen of the CRT 6 as shown in FIG. S7). This display procedure is shown in FIG. This display procedure will be described later.

  When the key information to which the song desired by the user belongs is selected with the direction button 10b of the push button or the direction button 5b of the remote controller 5 in this state and the confirm button 10c or 5c is pressed (S9: Yes), the selected key information is displayed. Stored in the key information storage buffer 23 (S10), the music data search data 21 corresponding to the selected key information is acquired from the hard disk drive 12 (S11), and the music data search data 21 is obtained in the same procedure as S7. The child key information 21b in the middle is displayed on the screen of the CRT 6 as shown in FIG. 13 (S12) and waits for the user to input again.

  When the child key information 21b is selected again in this state (S14: key information selection), the key information is stored again in the key information storage buffer 23 (S10). In this case, the storage position is shifted and stored in the lower order of the memory address so that the previous data is not overwritten. As a result, as shown in FIG. 14, all the selected key information from the “route” remains. Thereafter, S10 and subsequent steps are repeated, and if a song name is selected in S13 (S14: song name selection), the song number 21c of the selected song is acquired (S15), and the song data 20 corresponding to the song is stored in the hard disk drive. 12 and registered in the music reservation area 30 (S16), and the music selection process is terminated.

  On the other hand, when the music number is directly input from the push button number button 10a or the remote control number button 5a when displaying the image of FIG. 12 or 13 or the like (S8: Yes) (S13: Yes), it corresponds to the corresponding music. The music data 20 is read from the hard disk drive 12 and registered in the music reservation area 30 (S16), and the music selection process is terminated. In this case, nothing is registered in the key information storage buffer 23.

  Now, the processing at the time of executing S7 or S12 will be described with reference to the flowchart of FIG. 10. First, the data 21 for music data search corresponding to the “root” at the time of S7 and the selected child key information 21b at the time of S12. Is read from the hard disk drive 12 (S17), the position for checking the child key information 21b or the song number 21c of the data is set at the head (S18), and the data at the check position is determined (S19). If the data at the position is the child key information 21b (S19: child key information), the child key information name is displayed on the screen as it is (S20), and it is checked whether the next data exists (S24). If it is not the final data (S24, No), the check position is moved to the next (S25), and the next data is checked (S19).

  If the song number 21c is determined at the time of the data check (S19: song number), the song data 20 corresponding to the song number 21c is read from the hard disk drive 12 (S21), and the song information data 20e in the song data 20 is read. Further, the corresponding music title is obtained from the music title 20h (S22), and after displaying the music title (S23), it is determined whether or not it is the final data (S24). If the final data is determined to be final data (S24: Yes), the display process is terminated.

  Next, the process of S3 of the flowchart shown in FIG. 8 will be described in detail with reference to the flowchart shown in FIG. First, the background genre data 20d is read from the music data 20 registered in the music reservation area 30 (S26). Next, the check position for checking the key information stored in the key information storage buffer 23 is set at the lowest position in the set data (S27). Next, when the key information stored in the corresponding position matches the key information 20f in the background genre data 20d (S28: Yes), the background genre 20g corresponding to the matched key information 20f is acquired (S31), The background video data 25 is acquired from the background video management data 24 corresponding to the determined background genre 20g (S33), and the selected background video data 25 is sent to the background video signal generation circuit 16 to start reproduction (S34). When the background video management data 24 holds a plurality of data names 24b at S31, the background video data 25 to be selected is randomly selected from the held 24b.

  On the other hand, when the key information stored in the corresponding position does not match the key information 20f in the background genre data 20d at the time of checking the key information storage buffer (S28) (S28: No), the key information stored in the corresponding position is next checked It is confirmed whether or not the key information exists (S29). If the key information exists (S29: No), the check position is moved up by one (S30), and the key information storage buffer check (S28) is returned again. . When the key information does not exist at the time of checking the presence / absence of key information at the check position (S29) (S29: Yes), the key information 20f column in the background genre data 20d corresponds to “not set”. The background genre 20g is acquired (S32), the background video data 25 is acquired from the background video management data 24 corresponding to the determined background genre 20g (S33), and the selected background video data 25 is used as the background video signal generation circuit. 16 and playback is started (S34).

  Therefore, when the key information storage buffer 23 is as shown in FIG. 14, that is, when “Song Genre → J-POP → Woman Solo → Utada Hikari” is selected at the time of selection in FIG. Then, the background image is a file_sut_001 or file_sut_002 or the like, that is, an image of Utada Hikari from FIG. When the key information storage buffer 23 is as shown in FIG. 15, that is, when “theme song → drama → XX heart” is selected at the time of selection in FIG. From FIG. 6, file_tmm_001, file_tmm_002, or the like, that is, an image of the drama “OO Heart” is obtained. Further, when the music selection is directly performed by the number buttons at the time of selection in FIG. 9, the key information storage buffer 23 has the form as shown in FIG. 16, and when the music of music number 0001 is reproduced, the background video is file_sut_001 or file_sut_002 from FIG. Etc., that is, a video of Utada Hikari.

  As described above, according to the music / video playback device of the present embodiment, by using the key information at the time of song selection, it is possible to display a background video that matches the characteristics of song data desirable for the user.

  In addition, this invention is not restricted to said embodiment, Various deformation | transformation are possible. For example, in the above embodiment, the video data selection means for selecting the video data to be displayed on the display means from the video data storage means using the key information is realized by the CPU 7 or the memory 11 built in the performance terminal 1. However, the video data selection means is not necessarily limited to that in the performance terminal 1 and may be realized by an external device of the performance terminal 1.

It is the whole block diagram of the specific example which implemented this invention. It is an electrical structure figure of the specific example which implemented this invention. It is detail drawing of the input button part of the specific example which implemented this invention. It is a music data structure figure of the specific example which implemented this invention. It is a data structure figure for the music data search of the specific example which implemented this invention. It is a structure figure of the background image management data of the specific example which implemented this invention. It is a structure figure of the background video data of the specific example which implemented this invention. It is an operation | movement flowchart at the time of the performance of the performance terminal of the specific example which implemented this invention. It is an operation | movement flowchart at the time of the performance music selection of the performance terminal of the specific example which implemented this invention. It is an operation | movement flowchart at the time of the performance music selection information display of the performance terminal of the specific example which implemented this invention. It is an operation | movement flowchart at the time of background image selection and reproduction | regeneration of the performance terminal of the specific example which implemented this invention. It is an example of the performance music selection information initial screen of the performance terminal of the specific example which implemented this invention. It is an example of the performance music selection information 2nd screen of the performance terminal of the specific example which implemented this invention. It is an example of the data in the key information storage buffer in the performance terminal of the specific example which implemented this invention. It is an example of the data in the key information storage buffer in the performance terminal of the specific example which implemented this invention. It is an example of the data in the key information storage buffer in the performance terminal of the specific example which implemented this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Performance terminal 2 Volume amplification amplifier 3 Speaker 4 Microphone 5 Remote control 6 CRT
7 CPU
11 Memory 13 Music performance circuit 15 DVD
16 Background video signal generation circuit 17 Video processing circuit 20 Hard disk drive

Claims (7)

Music data storage means for storing a plurality of music data;
Video data storage means for storing a plurality of video data;
Music data selection means for selecting music data to be read and reproduced from the music data storage means using key information relating to the classification of the music;
Music data reproducing means for reading out the music data selected by the music data selecting means from the music data storage means and reproducing the music data;
Display means for displaying video data;
Video data selection means for selecting video data to be displayed on the display means from the video data storage means using the key information;
A music / video playback apparatus comprising: video data display control means for displaying the video data selected by the video data selection means on the display means. The music data includes the key information and background genre data indicating a genre of video data used as a background image at the time of video playback corresponding to the key information,
2. The music / video playback apparatus according to claim 1, wherein the video data selection unit selects video data to be displayed on the display unit based on background genre data corresponding to the key information. The music data selecting means sequentially selects lower key information from the highest key information in the key information group having a tree structure, obtains music specifying information belonging to the most downstream key information, and uses the music specifying information as the music specifying information. Select music data based on
The video data selection means determines whether the corresponding background genre data is present in order from the lowest one of the key information selected by the music data selection means, and is the lowest where the corresponding background genre data exists. 3. The music / video reproducing apparatus according to claim 2, wherein video data is selected based on background genre data corresponding to the key information.   4. The music / video playback apparatus according to claim 1, wherein the music data storage means and the video data storage means are the same storage means.   5. The music / video playback device according to claim 1, wherein key information used by the music data selection means is included in the music data.   6. The music / video according to claim 1, further comprising key information data storage means for storing key information used by the music data selection means as key information data separately from the music data. Playback device.   7. The music according to claim 1, further comprising superimposing means for superimposing character data on video data when reproducing the video data, wherein the music data also includes character data. -Video playback device.

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