JP2002049379A - Recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recording and reproducing device which provides voice guide to the user of the device explaining the control method of the device without using a dedicated recording medium. SOLUTION: The device is provided with a digital signal processing section 14 which encodes inputted voice signals into voice data, decodes the voice data and guide voice data and converts the decoded data into voice signals, a recording medium 19 for recording the voice data thereon and has the guide voice data that explain the functions of each control button by voice stored wherein and a system control section 21 which sets an operating mode to a voice guide mode and reproduces the guide voice data related to a control button that is being operated when a control of the control button is detected during the voice guide mode.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording / reproducing apparatus, and more particularly to a recording / reproducing apparatus having a function for explaining the function of each operation button by voice.

[0002]

2. Description of the Related Art Japanese Unexamined Patent Publication No. 7-1790 discloses a method in which guide information indicating a procedure for replacing a printer component to be replaced is recorded on a recording medium in advance, and when a component replacement instruction is given. The guide information is read from the recording medium and notified to the user in the form of a character, a graphic, or a voice message.

[0003]

However, in the above-mentioned Japanese Patent Application Laid-Open No. 7-1790, it is necessary to have a dedicated recording medium for storing the audio guide. Therefore, there is a problem that sharing with multiple functions is difficult.

[0004] Even if the user no longer needs the voice guide, a voice message is output each time the user operates the voice guide.

[0005] Further, since the voice message is recorded in the ROM, the content cannot be changed. Furthermore, in order to support multiple languages, it is necessary to secure a large-capacity recording area.

The present invention has been made in view of such a problem, and an object thereof is to notify a user of an audio guide explaining a method of operating a recording / reproducing apparatus without using a dedicated recording medium. It is an object of the present invention to provide a recording / reproducing device capable of performing the above.

It is another object of the present invention to provide a recording / reproducing apparatus which can change or delete a voice guide as needed and can effectively utilize the capacity of a recording medium.

[0008]

In order to achieve the above object, a recording / reproducing apparatus according to a first aspect of the present invention comprises encoding means for encoding an input audio signal into audio data, and encoding the audio data. A recording medium for recording and guiding voice data for explaining the function of each operation button by voice, decoding means for decoding the voice data and the guide voice data and converting them into voice signals, Detecting means for detecting the operation of the disposed operation button; setting means for setting the operation mode to the voice guide mode; and, when the operation of the operation button is detected in the voice guide mode, the operated operation Playback means for playing back the guide audio data associated with the button.

According to a second aspect of the present invention, in the recording / reproducing apparatus according to the first aspect, when the setting operation to the audio guide mode is performed by the setting means, the guide audio data is set in a state where reproduction is impossible. In some cases, a prohibition unit for prohibiting the transition to the voice guide mode is provided.

According to a third aspect, in the recording / reproducing apparatus according to the first aspect, the recording medium is a solid-state memory that can be inserted into and removed from a main body.

According to a fourth aspect, in the recording / reproducing apparatus according to the first aspect, the recording medium is built in a main body.
It is a rewritable nonvolatile solid-state memory in which a control program of the main body is stored.

According to a fifth aspect of the present invention, there is provided a communication means for transmitting / receiving data to / from an external device, a detecting means for detecting an operation of an operation button provided on a main body, and a setting for setting an operation mode to a voice guide mode. Means, when the operation of the operation button is detected during the voice guide mode, acquisition means for acquiring from the external device via the communication means the guidance voice data associated with the operated operation button, Reproducing means for reproducing the guide audio data.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a block diagram showing a schematic configuration of a digital recorder to which the recording / reproducing apparatus of the present invention is applied.
A microphone 10, an amplifier 11, and a low-pass filter (LP
F) A recording signal input unit including an A / D converter 13, a D / A converter 15, a low-pass filter (LPF) 16, an amplifier 17, and a speaker 18. A reproduction signal output unit.

The A / D converter 13 and the D / A converter 15 are system control units for controlling the entire recorder mainly through a digital signal processing unit (DSP) 14 for compressing / expanding audio signals and information. (CPU) 21. The digital signal processing unit 14 encodes an input audio signal into audio data, and decodes the audio data and guide audio data to be described later and converts the audio data into an audio signal in order to realize the compression / expansion. As a decoding means.

The system controller 21 has a recording button (REC)
SW), Play button (PLAY SW), Stop button (STO
P SW), fast forward button (FF SW), fast reverse button (RE
WSW) and various operation buttons such as a mode button (MODE SW) are connected, and the recording medium 19 is made of a rewritable nonvolatile solid-state memory such as a flash memory.
And RS23 as communication means for communicating with an external device such as a personal computer (PC) not shown.
An external communication circuit 20 such as 2C or universal serial bus (USB) is connected. Further, a display 23 as a liquid crystal display (LCD) for displaying time data, operation status, and the like is connected via a drive circuit 22. here,
The recording medium 19 is insertable into and removable from the main body, and stores, in addition to an area for recording input audio data, audio data for guidance (an audio guide file) for explaining the function of each operation button by audio. Area.

Here, the audio guide file is composed of predetermined audio data associated with each operation button. In this embodiment, the guidance REC is associated with the recording operation and the guidance REC is associated with the reproduction operation. In addition, a guidance PLAY is related to a stop operation, a guidance FF is related to a fast-forward operation, and a guidance REW is related to a fast-return operation. Here, for example, as an example of the guidance REC, “Recording is
Press the record button to start. ”,“ REC S during recording ”
Pause when W is pressed. And so on.

The medium for recording the voice data for guide may be a rewritable non-volatile solid-state memory built in the main body and storing a control program for the main body.

The system control unit 21 allows the user to use the MODE
A function as a setting means for setting the operation mode to the voice guide mode when the SW is operated, and a record button (REC SW), a play button (PLAY SW), and a stop button (STOP) when the voice guide mode is set. SW), a function as a reproducing means for detecting that one of the fast-forward button (FF SW) and the fast-return button (REW SW) has been operated, and reproducing the guide audio data associated with the operated button operated. It has.

Further, the system control section 21 inhibits the actual transition to the voice guide mode when the setting operation to the voice guide mode is performed and the guide voice data is in a state where reproduction is impossible. It has a function as a means. For example, even if the voice guide mode is set, if there is no guide file to be reproduced, an error message is output and the transition to the voice guide mode is prohibited.

In the above-described configuration, when operations such as recording, playback, and erasure are performed from the outside, the system control unit 21 detects the operation and shifts each unit to a corresponding state. For example, when a recording operation is performed, the audio signal input from the microphone 10 is amplified by the amplifier 11, the unnecessary high-frequency component is removed by the low-pass filter 12, and then the digital signal is removed by the A / D converter 13. The signal is converted into an audio signal and output from the recording signal input / output unit.

In the recording state, the digital signal processing unit 14
Compresses the data amount of the digital audio signal input from the A / D converter 13 and outputs the data to the system control unit 21. The digital data compressed and encoded by the digital signal processing unit 14 is written to a predetermined address of the recording medium 19 under the control of the system control unit 21. Also,
The system control unit 21 performs control so that the written digital data is written to a predetermined address in the recording medium 19 together with address management information indicating which address of the recording medium 19 was written.

On the other hand, when a reproducing operation is performed, the system control unit 21 reads address information to be reproduced from a predetermined address of the recording medium 19, reads digital data to be reproduced from the address information, and outputs a digital signal. Output to the processing unit 14. At this time, the digital signal processing unit 1
Reference numeral 4 decompresses the digital data to return it to the original data, and then outputs the data to the D / A converter 15.

FIG. 2 is a flowchart for explaining the overall operation of the digital recorder according to the present embodiment. After the power is turned on, in step S1, initial settings including processes such as clearing a RAM, setting input / output of a port, and initializing a communication system are performed, and then a state of waiting for an operation input from a user is entered. , STOPS
Steps S2 → S3 → S4 → S5 → S until one of the operation buttons of W, FF SW and REW SW is pressed.
6 → S7 → S2 is executed cyclically. And FIG.
When any of the buttons shown in (1) is pressed, the mode shifts to the corresponding mode.

For example, if the MODE SW has been pressed, the determination in step S2 becomes YES, and the process proceeds to step S13.
To enter the voice guide mode. REC S
If W is pressed, the determination in step S3 is YES, and the flow shifts to step S8 to enter the recording (REC) mode. If the PLAY SW has been pressed, the determination in step S4 becomes YES, and the flow shifts to step S9 to enter the reproduction (PLAY) mode. When the STOP SW is pressed, the determination in step S5 becomes YES, and the process shifts to step S10 to enter the stop (STOP) mode. If the FFSW has been pressed, the determination in step S6 becomes YES, and the flow shifts to step S11 to enter the fast forward (FF) mode. If the REW SW has been pressed, the determination in step S7 becomes YES, and the flow shifts to step S12 to enter the fast rewind (REW) mode.

FIG. 3 is a flowchart for explaining details of the voice guide mode shown in FIG. Here, it is assumed that the audio guide file is recorded in the recording medium 19.

First, in step S20, the recording medium 1
Then, it is determined whether or not the voice guide data exists in 9.
Here, guidance REC related to recording, guidance PLAY related to playback, guidance STO related to stopping
It is determined that voice guide data is present when all five types of voice guide files of P, guidance FF related to fast forward, and guidance REW related to fast reverse are included. If it is determined in step S20 that the voice guide data does not exist, the process proceeds to step S27, outputs an error message to the display 23, and returns.

On the other hand, if it is determined in step S20 that voice guide data is present, step S2
The process proceeds to 1 to determine whether the end of the voice guide mode is selected. In the present embodiment, when the MODE SW is pressed, it is determined that the end of the voice guide mode has been selected. Here, in the case of YES, the process immediately returns.

If it is determined in step S21 that the end of the voice guide mode has not been selected,
REC SW, PLAY SW, STOP SW, FF
Step S21 → S22 → S23 → S24 → S until one of the operation buttons of the SW and the REW SW is pressed.
25 → S26 → S21 is cyclically executed.

Then, for example, when the REC SW is turned on, the process proceeds to step S28, where the guidance REC is read from the recording medium 19, and a voice guide relating to recording is reproduced. When the PLAY SW is turned on, the process proceeds to step S29 and the guidance PLA is read from the recording medium 19.
Y is read out and a voice guide for reproduction is reproduced. When the STOP SW is turned on, step S3
The process proceeds to step S0, where the guidance STOP is read from the recording medium 19, and the audio guide relating to the stop is reproduced. Also, FF
When the switch is turned on, the process proceeds to step S31, where the guidance FF is read from the recording medium 19, and a voice guide related to fast-forward is reproduced. Also, REW SW is ON
If so, the flow advances to step S32 to read out the guidance REW from the recording medium 19 and reproduce the audio guide relating to fast rewind.

According to the embodiment shown in FIG. 3, it is possible to notify the user of an audio guide explaining a method of operating the recording / reproducing apparatus without using a dedicated recording medium. If the user determines that the voice guide is unnecessary, the voice guide can be deleted and the memory capacity can be increased accordingly. Also,
It is also possible to rewrite the contents of the audio guide file.

FIG. 4 is a flowchart for explaining details of a modification of the voice guide mode shown in FIG. In this embodiment, it is assumed that the digital recorder is connected to a PC (not shown) via the external communication circuit 20 and that an application in the PC is activated.

First, in step S39, it is determined whether or not the present digital recorder is in a state capable of communicating with the PC. If NO, the flow advances to step S47 to proceed to step S47.
Outputs an error message to

If it is determined in step S39 that communication with the PC is possible, the process proceeds to step S40, where P
It is determined whether a voice guide file exists in C. Here, guidance REC on recording, guidance PLAY on reproduction, guidance ST on stop
It is determined that voice guide data exists when all five types of voice guide files, OP, guidance FF relating to fast forward, and guidance REW relating to fast rewind, are included. If it is determined in step S40 that there is no voice guide data, the process proceeds to step S27, outputs an error message to the display 23, and returns.

On the other hand, if it is determined in step S40 that the voice guide data exists, step S4
The process proceeds to 1 to determine whether the end of the voice guide mode is selected. In the present embodiment, when the MODE SW is pressed, it is determined that the end of the voice guide mode has been selected. Here, in the case of YES, the process immediately returns.

If it is determined in step S41 that the end of the voice guide mode has not been selected,
REC SW, PLAY SW, STOP SW, FF
Steps S41 → S42 → S43 → S44 → S until one of the operation buttons of the SW and the REW SW is pressed.
45 → S46 → S41 are repeatedly executed.

For example, when the REC SW is turned on, this is notified to the PC via the external communication circuit 20, and the sound guide relating to the recording is reproduced while being received from the PC (step S48). When the PLAY SW is turned on, this fact is notified to the PC via the external communication circuit 20, and the reproduction is performed while receiving a voice guide for reproduction from the PC (step S49). ST
When the OP SW is turned on, this is notified to the PC via the external communication circuit 20, and the audio guide regarding the stop is reproduced while being received from the PC (step S5).
0). When the FFSW is turned on, the fact is notified to the PC via the external communication circuit 20, and the audio guide relating to the fast-forward is reproduced while being received from the PC (step S51). Further, when the REW SW is turned on, this fact is notified to the PC via the external communication circuit 20, and the audio guide relating to the quick return is played back while being received from the PC (step S52).

According to the embodiment shown in FIG. 4, the data relating to the voice guide is reproduced while being received from the PC instead of being recorded on the recording medium 19.
In addition to the effects of the embodiment, the capacity of the recording medium 19 can be effectively used.

[0039]

According to the present invention, it is possible to notify a user of an audio guide explaining a method of operating a recording / reproducing apparatus without using a dedicated recording medium.

Further, according to the present invention, the voice guide can be deleted or rewritten as required, and the capacity of the recording medium can be effectively utilized.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of a digital recorder to which a recording / reproducing device of the present invention is applied.

FIG. 2 is a flowchart for explaining the overall operation of the digital recorder according to the embodiment.

FIG. 3 is a flowchart illustrating details of a voice guide mode shown in FIG. 2;

FIG. 4 is a flowchart for explaining details of a modification of the voice guide mode shown in FIG. 2;

[Explanation of symbols]

 Reference Signs List 10 microphone 11 amplifier 12 low-pass filter (LPF) 13 A / D converter 14 digital signal processing unit 15 D / A converter 16 low-pass filter (LPF) 17 amplifier 18 speaker 19 recording medium 20 external communication circuit 21 system control unit 22 drive Circuit 23 Display

Claims (5)

[Claims] 1. An encoding means for encoding an input audio signal into audio data, and a recording medium storing said audio data and storing guide audio data for explaining the function of each operation button by audio. A decoding means for decoding the audio data and the guide audio data to convert the audio data into an audio signal; a detection means for detecting an operation of an operation button provided on the main body; and setting an operation mode to an audio guide mode. Setting means, and when the operation of the operation button is detected in the voice guide mode, a reproduction means for reproducing the guide audio data associated with the operated operation button, comprising: Recording and playback device. 2. A prohibition means for prohibiting a transition to the voice guide mode when the guide voice data is in an unreproducible state when a setting operation to the voice guide mode is performed by the setting means. 2. The recording / reproducing apparatus according to claim 1, wherein: 3. The recording / reproducing apparatus according to claim 1, wherein the recording medium is a solid-state memory that can be inserted into and removed from a main body. 4. The recording / reproducing apparatus according to claim 1, wherein the recording medium is a rewritable nonvolatile solid-state memory in which a control program for the main body is stored. 5. A communication means for transmitting and receiving data to and from an external device; a detection means for detecting an operation of an operation button provided on a main body; a setting means for setting an operation mode to a voice guide mode; When an operation of the operation button is detected in the mode, an acquisition unit that acquires guidance audio data associated with the operated operation button from an external device via the communication unit, and acquires the guidance audio data. A recording / reproducing apparatus comprising: a reproducing unit for reproducing.