JPH10302451A - Voice recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a voice recording and reproducing device capable of enhancing operability with respect to a device without providing an operation member for a voice starting level adjustment independently. SOLUTION: This device is a voice recording and reproducing device performing the adjusting of a voice starting level in a voice starting record mode and the adjusting of a voice reproducing level in a reproduction mode by using an UP button and a DOWN button as common operating members and the device is provided with an indicator 13 performing a display as to modes and level displays as to a voice and a system control part 6 performing a control in order to make the indicator perform displays indicating the mode and a voice starting level and also to make the UP button and the DOWN button have the adjusting function of the voice starting level in the voice starting record mode and to make the indicator perform displays indicating the mode and a voice reproducing level and also to make the UP button and the DOWN button have the adjusting function of the voice reproducing level in the reproduction mode.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an audio recording / reproducing apparatus.

[0002]

2. Description of the Related Art As one of the audio recording / reproducing apparatuses, for example, an audio recording / reproducing apparatus for recording a conference is conventionally known. Some of such audio recording / reproducing apparatuses have a function of automatically starting recording in response to audio and stopping recording after a predetermined time when audio is interrupted. That is, when a voice having a predetermined voice activation level or more is input in the voice activation recording mode, it is determined that the voice is sound, and recording is started. Is determined to be silent and recording is stopped after a predetermined time, for example, three seconds.

In the audio recording / reproducing apparatus having such a function, the setting of the audio activation level is fixed in advance by the apparatus itself, or the volume for adjusting the audio reproducing level can be set by the user or separately. A desired voice activation level has been set by operating an operation button such as a sensitivity change switch provided.

[0004]

However, in the above-mentioned conventional audio recording / reproducing apparatus, after operating the volume for adjusting the audio reproduction level to set the audio activation level, the volume is operated in the reproduction mode. When the level is changed, it is necessary to adjust the voice activation level again in order to return to the original voice activation level, and the operability for the device is reduced.

[0005] Further, if an operation button for adjusting the voice activation level is separately provided, an extra space is required, which hinders realization of a small-sized voice recording / reproducing apparatus.

The audio recording / reproducing apparatus of the present invention has been made in view of such a problem, and an object thereof is to provide an apparatus without separately providing an operation member for adjusting an audio activation level. It is an object of the present invention to provide an audio recording / reproducing apparatus which can improve operability with respect to a sound recording / reproducing apparatus.

[0007]

In order to achieve the above object, a sound recording / reproducing apparatus according to a first aspect of the present invention adjusts a sound activation level in a sound activation recording mode and adjusts a sound reproduction level in a reproduction mode. And a display means for performing a display relating to a mode and a level display relating to a voice, and performing a display indicating the mode and a voice activation level in a voice activated recording mode. And a control means for controlling the operation member to have a function of adjusting the sound activation level, and in the reproduction mode, displaying the mode and a display indicating the sound reproduction level, and controlling the operation member to have the function of adjusting the sound reproduction level. Have.

In the audio recording and reproducing apparatus according to a second aspect of the present invention, in the audio recording and reproducing apparatus according to the first aspect, the control means disables the change of the audio activation level in a mode other than the audio activation recording mode. Control is performed as needed.

A sound recording / reproducing apparatus according to a third aspect of the present invention is the audio recording / reproducing apparatus according to the first or second aspect, wherein the control means comprises: at least immediately after the voice-activated recording mode is set; Immediately after is set, a level display relating to audio is performed.

In other words, the audio recording / reproducing apparatus according to the first aspect of the present invention uses a common operation member to adjust the audio activation level in the audio activation recording mode and the audio reproduction level in the reproduction mode. In the start recording mode, the display means displays the mode and the sound activation level on the display means, and the operation member has a function of adjusting the sound activation level. In the reproduction mode, the display means displays the mode and the sound reproduction level on the display means. Control is performed so that the operation member has a function of adjusting the sound reproduction level.

Further, the audio recording / reproducing apparatus according to the second invention, in the audio recording / reproducing apparatus according to the first invention, controls so that the change of the audio activation level is disabled in a mode other than the audio activation recording mode. .

Further, the audio recording / reproducing apparatus according to the third invention is the audio recording / reproducing apparatus according to the first or second aspect, wherein at least immediately after the audio-activated recording mode is set.
Immediately after the reproduction mode is set, a level display relating to audio is performed.

[0013]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a diagram showing a configuration of an audio recording / reproducing apparatus according to an embodiment of the present invention. In FIG. 1, a microphone 1 includes a digital signal processing unit (hereinafter referred to as a DSP) via an amplifier (AMP) 2, a low-pass filter (LPF) 3, and an analog / digital (A / D) converter 4. 5) D1 terminal.

The speaker 11 is an amplifier (AMP) 1
0 and a digital / analog (D / A) converter 9 are connected to the D2 terminal of the DSP 5. Also, DS
The D3 terminal of P5 is connected to a system control unit (C
PU) 6 is connected to the T1 terminal.

The T2 terminal of the system control unit 6 is connected to the drive circuit 1
2, and a terminal T3 is connected to a power control unit 14. For example, a recording medium 7 composed of a semiconductor memory or the like is connected to the T4 terminal of the system control unit 6 and the D4 terminal of the DSP 5. A removable recording medium such as a memory card may be used as the recording medium 7.

Further, the system control unit 6 includes a REC button (recording button), a PLAY button (playback button), a STOP button (stop button), an FF button (fast-forward button), a REW button (fast-return button),
Operation buttons such as a P button (volume up button), a DOWN button (volume down button), and a VCVA switch (voice activated recording switch) are connected.

The system control unit 6 controls the operation of the DSP 5 and the operation of writing and reading data to and from the recording medium 7 in accordance with the operation of the various operation buttons described above. And various information such as the operation mode and the current date and time are displayed, and the power supply control unit 14 is controlled. Further, the system control unit 6 has a RAM for separately storing a sound reproduction level value and a sound activation level value, which will be described later.

In the above-described configuration, at the time of voice recording, an analog voice signal obtained from the microphone 1 is amplified by the amplifier (AMP) 2 and is supplied to the low-pass filter (L).
After unnecessary components are removed by the PF 3, the signals are converted into digital audio signals by the A / D
5 is input. Under the control of the system control unit 6, the DSP 5 compresses the input digital audio signal and sends it to the system control unit 6.

The system control section 6 records the audio data supplied from the DSP 5 on a recording medium 7 based on a predetermined format. At the time of sound reproduction, under the control of the system control unit 6, the sound data recorded on the recording medium 7 is read and supplied to the DSP 5, and the DSP 5 expands the sound data to obtain a digital sound signal. This digital audio signal is converted into an analog audio signal by the D / A converter 9, then amplified by an amplifier (AMP) 10 and output from the speaker 11.

Hereinafter, the overall processing operation of the audio recording / reproducing apparatus having the above configuration will be described with reference to the flowchart of FIG. First, when the power is turned on with the battery inserted, the entire apparatus is reset (step S1), and initial settings such as checking of clock data and clearing of data in the RAM are performed (step S2). Next, it is detected whether or not any of the operation buttons has been pressed (step S3). If none of the operation buttons has been pressed, it is determined whether or not this state has continued for a predetermined time, here 3 minutes. (Step S9) If the operation button has not been pressed even after three minutes have elapsed, the mode shifts to the standby mode (power saving mode) (Step S10). In this standby mode, the power is turned off and the current time is displayed on the display 13. This state continues as long as the operation button is not operated, but exits from the standby mode when any operation button is operated.

If it is detected in step S2 that the operation button has been pressed, a process corresponding to the pressed operation button is performed. That is, when the REC button is pressed, the process shifts to the recording process mode to execute the recording process (step S4), and when the PLAY button is pressed, the process shifts to the playback process mode to execute the playback process ( Step S5), F
When the F button is pressed, the process shifts to the fast-forward processing mode to execute the fast-forward process (step S6). When the REW button is pressed, the process shifts to the fast-reverse process mode and executes the fast-return process ( Step S7). After the above-described recording processing, reproduction processing, fast-forward processing, or fast-reverse processing is performed, the display of the display 13 is reset. Here, ST indicating the stop state
OP display is performed (step S8). Thereafter, the process returns to step S3 to determine whether the operation button has been pressed.

Next, a processing operation when the UP button or the DOWN button is pressed during the above-described recording processing mode or other processing modes, for example, during the reproduction processing mode, will be described with reference to FIG.

First, it is determined whether or not the apparatus is in the recording processing mode (step S20). Here, when not in the recording processing mode, as shown in FIG. 4, the character "VOL" is displayed at the display position 52 of the display unit 13 and the current audio reproduction level value is stored in the RAM of the system control unit 6. And display it at the display position 53 (step S21).
In FIG. 4, "15" is displayed. Next, it is determined whether or not the operator has operated the UP button 51 (corresponding to the UP button in FIG. 1) (step S22), and if YES, the sound reproduction level value in the RAM is incremented (step S22).
At the same time, the display on the display unit 13 is updated (step S25). That is, every time the UP button 51 is pressed, the audio reproduction level value is incremented between 0 and 30, and at the same time, the audio reproduction level value at the display position 53 of the display 13 is incremented.

If NO in step S22, that is, if the operator presses the DOWN button 50 (the DOWN button in FIG. 1).
If the user operates the button (corresponding to the N button), the sound reproduction level value in the RAM of the system control unit 6 is decremented (step S24) and the display on the display 13 is updated (step S25). That is, each time the DOWN button 50 is pressed, the audio reproduction level value is decremented between 0 and 30, and at the same time, the audio reproduction level value at the display position 15 of the display 13 is decremented.

If the playback mode is set when the recording process is not being performed, the system controller 6
Indicates that the DSP5
To change the audio reproduction level in accordance with the operation of the DOWN button 50 or the UP button 51.

On the other hand, if it is determined in step S20 that the recording process is being performed, it is next determined whether or not the VCVA switch (voice activated recording switch) is turned on (step S26). Here, the VCVA switch is set to O
If it is FF, the above-described processing when the recording process is not being performed (steps S21 to S25) is executed.

If the determination in step S26 is YES, the voice activated recording mode is set, and as shown in FIG. 5, the character "VCVA" is displayed at the display position 52 of the display unit 13 and the current voice activated recording mode is set. The level value is read from the RAM of the system control unit 6 and displayed at the display position 53 (step S27). In FIG. 5, "27" is displayed.
Next, it is determined whether or not the operator has operated the UP button 51 (step S28).
The voice activation level value in the RAM is incremented (step S29), and the display on the display 13 is updated (step S31). That is, each time the UP button 51 is pressed, the voice activation level value is incremented between 1 and 30, and at the same time, the voice activation level value at the display position 53 of the display 13 is incremented.

If NO in step S28, that is, if the operator operates the DOWN button 50, the voice activation level value in the RAM of the system controller 6 is decremented (step S30) and displayed. The display of the device 13 is updated (step S31). That is, each time the DOWN button 50 is pressed, the voice activation level value is decremented between 1 and 30, and
The voice activation level value at the display position 53 of No. 3 is decremented.

Further, the system control unit 6 performs the above-described UP
The DSP 5 is controlled to change the voice activation level in the DSP 5 according to the change of the voice activation level by operating the button 51 or the DOWN button 50.

As described above, in this embodiment, the UP button 51 and the DOWN button 50 are used as a common operation member,
In the voice-activated recording mode, this operation member has an audio activation level adjustment function, and in the playback mode, the operation member has an audio reproduction level adjustment function. Operability for the apparatus can be improved without separately providing the.

In modes other than the voice-activated recording mode, the display related to the voice-activated recording mode is prohibited, and the voice activation level value is stored even if the UP button 51 or the DOWN button 50 is operated in the reproduction mode.
Since the content of the AM is not updated, the original voice activation level value is maintained. Therefore, even if the audio reproduction level value is changed in the reproduction mode, the operator does not need to set the audio activation level value again.

Further, at least immediately after the voice activated recording mode is set and immediately after the reproduction mode is set, a level display relating to the audio (display of the current voice activated level value, display of the current audio reproduced level value) is performed. This allows the operator to know the current adjustment level of the sound.

The invention having the following configuration is derived from the above specific embodiments, and the effects of each invention are as follows. (1) A setting means (system control unit 6) for setting a set value by operating a sound reproduction level adjustment button as a sound reproduction level in a reproduction mode, and displaying a set value by operation of a sound reproduction level adjustment button as a sound reproduction level. Display means (display 13), and detection means (system control unit 6) for detecting whether or not the mode is the voice-activated recording mode.
The setting means switches the display on the display means to the display of the sound activation level when the sound activation recording mode is detected, and sets the set value by operating the sound reproduction level adjustment button as the sound activation level. An audio recording / reproducing apparatus characterized by the above-mentioned. (2) In a configuration other than the voice-activated recording mode, the setting means prohibits the setting of the voice-activated level by operating the audio reproduction level adjustment button and prohibits the display of the voice-activated level. The audio recording / reproducing device according to (1).

According to the above configuration (1), the operability of the apparatus can be improved without separately providing an operation button for adjusting the voice activation level. Further, according to the configuration (2), even if the audio reproduction level value is changed in the reproduction mode, it is not necessary to set the audio activation level value again.

[0035]

According to the first aspect of the present invention, it is possible to improve the operability of the apparatus without separately providing an operation button for adjusting the voice activation level.

According to the second aspect of the invention, in addition to the effect of the first aspect, even if the audio reproduction level value is changed in the reproduction mode, the audio activation level value can be set again. This has the effect of becoming unnecessary.

According to the third aspect of the present invention, in addition to the effects of the first or second aspect of the present invention, there is an effect that the operator can know the current adjustment level of the voice.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of an audio recording / reproducing apparatus according to an embodiment of the present invention.

FIG. 2 is a flowchart for explaining the overall processing operation of the audio recording / reproducing apparatus shown in FIG.

FIG. 3 shows an UP button or a DO button during a recording processing mode or another processing mode, for example, a reproduction processing mode.
It is a figure for explaining processing operation when a WN button is pressed.

FIG. 4 is a diagram showing display contents when it is determined that the case is not in the voice activated recording mode.

FIG. 5 is a diagram showing display contents when it is determined that the apparatus is in a voice activated recording mode.

[Explanation of symbols]

1 microphone, 2 amplifier (AMP), 3 low-pass filter (LPF), 4 analog / digital (A
/ D) converter, 5 ... digital signal processing unit (DSP),
6 ... System control unit (CPU), 7 ... Recording medium, 9 ... Digital / analog (D / A) converter, 10 ... Amplifier (AMP), 11 ... Speaker, 12 ... Drive circuit, 13 ...
display.

Claims (3)

[Claims] 1. An audio recording / reproducing apparatus which performs adjustment of an audio activation level in an audio activation recording mode and adjustment of an audio reproduction level in a reproduction mode using a common operation member, wherein a display relating to the mode and a level relating to the audio are provided. Display means for performing display; and in the voice activated recording mode, a display indicating the mode and the voice activated level is performed, and the operation member is provided with a function of adjusting the voice activated level, and in the reproduction mode, the mode and the audio reproduction level are represented. And a control means for performing control so as to perform display and to provide an operation member with an audio reproduction level adjusting function. 2. The audio recording / reproducing apparatus according to claim 1, wherein the control means performs control so that a change in the audio activation level is disabled in a mode other than the audio activation recording mode. 3. The audio recording / reproducing apparatus according to claim 1, wherein the control means displays a level relating to audio at least immediately after the audio activated recording mode is set and immediately after the reproduction mode is set.