JP2001084697A - Voice recorder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a voice recorder surely recognized by an operator that it is in the state that the voice recording is impossible. SOLUTION: The voice recorder recording the inputted voice data on a recording medium is provided with an operation means 21 movable to a first position generating a first signal instructing recording operation to the recording medium and a second position generating a second signal instructing the stop of the recording operation, an engagement means 141 engaging the operation means 21, a detection means detecting whether or not the voice data are recorded on the recording medium and a control means controlling the recording operation of the voice data to the recording medium according to the first, second signals and controlling the engagement means according to the detection result of the detection means.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sound recording apparatus for recording sound on a recording medium.

[0002]

2. Description of the Related Art In recent years, as this kind of apparatus, a digital audio recording / reproducing apparatus called a so-called digital recorder has been proposed. In this apparatus, an audio signal input by a microphone or the like is converted into a digital signal, and the digital signal is recorded on a recording medium such as a semiconductor memory. At the time of reproduction, the digital signal is read from the recording medium and converted into an analog signal. Etc. and output as audio.

In such a digital recorder for recording audio in a semiconductor memory or the like, whether the memory has a remaining capacity and can be recorded, as compared with a conventional tape recorder which can directly see the state of the tape, or It is difficult to know whether there is no remaining space and recording is not possible. For this reason, in a general digital recorder, when the remaining capacity of the memory is exhausted and recording cannot be performed, an alarm is sounded from a speaker, or a display such as an LCD indicates that recording cannot be performed.

[0004]

As described above, in the conventional digital recorder, when the memory of the recording medium becomes full during recording and recording cannot be performed, the recording is stopped and an alarm sound is issued to the operator. Is announced by the display. However, if the surroundings are noisy and the alarm sound is not heard or the display on the display unit is not viewed, the operator may not notice that the digital recorder is in a state where recording cannot be performed.

[0005] In this case, although the digital recorder is in a state in which recording cannot be performed, there arises a problem that the operator subsequently performs a recording operation as necessary. In other words, the operator, by performing the recording operation, naturally assumes that the recording is being performed, but the recording is not actually being performed.

It is an object of the present invention to provide a voice recording device that allows an operator to reliably recognize that recording is not possible.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems and achieve the object, a voice recording apparatus of the present invention is configured as follows.

(1) An audio recording apparatus according to the present invention is a sound recording apparatus for recording input audio data on a recording medium, wherein the first signal for generating a first signal instructing a recording operation on the recording medium is generated. Operating means movable to a position and a second position for generating a second signal for instructing stop of the recording operation, locking means for locking the operating means, and sound data to the storage medium Detecting means for detecting whether or not recording is possible, and controlling the recording operation of the audio data on the recording medium in accordance with the first signal and the second signal, and Control means for controlling the locking means accordingly.

(2) The audio recording apparatus of the present invention is characterized in that (1)
And the control means, if the detection means detects that the recording of the audio data to the storage medium is not possible, the control means from the second position to the first position Control to lock the operation means by the locking means so as to prohibit the movement to the operating means.

(3) The audio recording device of the present invention is characterized in that (1)
Or the apparatus according to (2), wherein the detection unit includes the presence or absence of the storage medium, the remaining capacity of the storage medium, the availability of writing to the storage medium, the initialization state of the storage medium, and the storage At least one of the presence and absence of an abnormality in the medium is detected.

As a result of taking the above-described measures, the following effects are obtained.

(1) According to the audio recording apparatus of the present invention, the recording operation of the audio data on the recording medium is controlled in accordance with the movement of the operation means, and whether or not the audio data can be recorded on the storage medium is determined. Since the locking means is controlled according to the condition, when the recording of the audio data is impossible, the operating means can be locked to prevent the execution of the recording operation. Thus, even if the operator attempts to move the operation means in a state where the recording of the audio data is impossible, the operation means does not move, so that it is possible to reliably recognize that the recording is impossible.

(2) According to the audio recording apparatus of the present invention, when audio data cannot be recorded, the first position according to the recording operation instruction from the second position according to the recording operation instruction is stopped. Since the movement of the operation means to the position is prohibited, the operator cannot start the recording operation from the state where the recording operation is stopped by the operation means, and must surely recognize that the recording is impossible. Can be.

(3) According to the audio recording apparatus of the present invention, it is possible to detect whether audio data can be recorded based on various states in which recording of audio data on a storage medium becomes impossible.

[0015]

FIG. 1 is a block diagram showing a configuration of a digital audio recording / reproducing apparatus according to an embodiment of the present invention. As shown in FIG. 1, the apparatus includes a microphone 1 for converting an input sound into an electric signal, and an analog sound signal output from the microphone 1 is an amplifier (A).
MP) 2. The analog audio signal amplified by the amplifier 2 is input to a low-pass filter (LPF) 3 where an unnecessary frequency band is cut to prevent the occurrence of aliasing noise, and then input to an A / D converter 4.

In the A / D converter 4, the analog audio signal is converted into a digital signal and then input to a digital signal processing unit (DSP) 5. The digital signal processing unit 5 performs a process of converting (encoding) the audio signal converted into the digital signal into a predetermined format, and a process of converting (decoding) the encoded audio data into a digital signal again. It is.

The digital signal decoded by the digital signal processing unit 5 is input to a D / A converter 6. D /
The audio signal converted from a digital signal to an analog signal by the A converter 6 is input to a low-pass filter 7, and after an unnecessary frequency band is removed and quantization noise is reduced, an amplifier (AMP) 8 for driving a speaker 9. Is input to The audio signal input to the amplifier (AMP) 8 is amplified and input to the speaker 9. The sound signal input to the speaker 9 is converted into sound and is sounded.

On the other hand, the audio data encoded by the digital signal processing unit 5 is transmitted to a system control unit (CPU) 10. The system control unit 10 includes a microprocessor (CPU) and controls each unit of the digital audio recording / reproducing apparatus.

A recording medium 11, which is a removable or built-in memory, is connected to the system control unit 10. Under the control of the system control unit 10, writing / reading of encoded audio data to / from the recording medium 11 is performed. As the recording medium 11, a semiconductor memory such as a flash memory, or a magnetic medium such as a magneto-optical disk or a magnetic disk is used.

Further, an operation input unit 12 for instructing the operation of the digital audio recording / reproducing apparatus, a display unit 13, and a locking device 14, which will be described later, are connected to the system control unit 10.

In the operation input section 12, a recording switch (REC SW) 101 and a stop switch (STOP SW) 102 are connected as operation switches.
Reproduction switch (PLAY SW) 103, forward switch (FF SW) 104, reverse switch (REWS)
W) 105, and hold switch (HOLD SW)
106 and the like are provided.

The system control unit 10 controls the operations of the digital signal processing unit 5, the recording medium 11, the display unit 13, and the locking device 14 according to the operation of each of the operation switches described above. The display unit 13 is composed of an LCD and includes information on various operation modes, recording time of the recording medium 11, remaining memory capacity,
Time, various messages, etc. are displayed.

FIG. 2 is an external view of the digital audio recording / reproducing apparatus. FIGS. 3A and 3B are cross-sectional views of the operation switch portion. 2 and 3, the same parts as those in FIG. 1 are denoted by the same reference numerals.

As shown in FIG. 2, a display unit 13, a speaker 9, and a hold switch (HOLD) 106 are provided on a front panel 20a of the main body 20. A recording switch (REC) 101 is provided on a side panel 20b of the main body 20.
Switch 21 for switching between a switch and a stop switch (STOP) 102, and the above-mentioned reproduction switch (PLAY)
103, a forward switch (FF) 104 and a reverse switch (REW) 105 are provided. The microphone 1 is provided on an upper panel 20c of the main body 20.

A slide switch 21 is provided in a recess 20b1 provided in the side panel 20b of the main body 20 in FIGS. 3 (a) and 3 (b). The slide switch 21 is connected to the side panel 20b by the connecting member 202.
Is connected to a slide member 22 provided inside the main body 20 through an opening 201 provided in the main body 20. The slide switch 21 and the slide member 22 have balls 211 and 2 that can roll with respect to the side panel 20b, respectively.
21 are provided. In addition, the slide switch 21 is provided with a slip stopper 212 when the operator operates with a finger.

At the end of the slide member 22, a hook-shaped engaging portion 222 is provided in a protruding manner. Also, the slide member 22
Has a recording switch (REC S)
W) 101 or stop switch (STOP SW) 10
A projection 223 is provided for pressing down the button 2 to turn it on.

Further, a locking device 14 is provided near the distal end of the slide member 22. This locking device 1
Reference numeral 4 denotes a solenoid, which allows a locking member 141, which is a plunger (movable iron core), to be freely inserted and removed under the control of the system control unit 10.

The shape of the engagement portion 222 of the slide member 22 is such that the inner side surface (the side of the locking member 141) is
2, and the outer surface is curved toward the front end of the engaging portion 222 so as to approach the inner surface.

FIG. 3A shows a state in which the locking member 141 protrudes from the locking device 14. In this case, the stop switch (STOP SW) 102 is depressed by the protrusion 223 to be turned on, and the engaging portion 222 is
Locked by 41. For this reason, the operator sets the slide switch 21 to the recording switch (REC SW) 101
The recording switch (REC SW) 101 is not turned on.

FIG. 3B shows a state in which the locking member 141 does not protrude from the locking device 14. In this case, the recording switch (REC SW) 101 is
3 is turned on by being pressed down, and the engaging portion 222 is not locked by the locking member 141. For this reason, the operator sets the slide switch 21 to the stop switch (STOP S).
W) It can be slid in the direction of 102 and turned on.

FIGS. 4 and 5 are flowcharts showing the operation procedure in the digital audio recording / reproducing apparatus. Hereinafter, an operation procedure in the digital audio recording / reproducing apparatus will be described. First, in step S1 of FIG. 4, when a power switch (not shown) is turned on by an operator, the system control unit 10 performs predetermined initial settings. In this case, the stop switch (STOP SW) 102 is ON.

Next, in step S2, the system control unit 10
Determines whether recording is possible. In this case, the state in which recording is not possible includes a state in which the recording medium 11 is not present (a state in which the recording medium 11 is not mounted), and a state in which the memory of the recording medium 11 is fully stored (Full). No storage capacity of storage area No. 11), recording medium 1
1 is in a state where writing to the recording medium 1 is prohibited, and the recording medium 11
Are not initialized (formatted), the recording medium 11 is in an abnormal state, or the like.

If recording is possible in step S2,
In step S3, the system control unit 10 controls the locking device 14 (stops the current to the solenoid), and
1 is pulled down (in a concave position). If the recording is not possible in step S2, the system control unit 10 controls the locking device 14 (generates a magnetic field by flowing a current to the solenoid) and urges the locking member 141 in step S4. To a raised state (a state at the convex position).

When the recording is not possible, the locking member 141 projects from the locking device 14 in a state where the stop switch (STOPSW) 102 is pressed down by the projection 223 and turned on as described above. In this state, the operator cannot turn on the recording switch (REC SW) 101. This is because the engaging portion 222 is
The slide switch 21 cannot be slid in the direction of the recording switch (REC SW) 101. Thus, when recording cannot be performed on the recording medium 11, the operator can operate the slide switch 21.
To prevent the recording switch (REC SW) 101 from being turned on.

In step S5, when the operator slides the slide switch 21, the stop switch (STOP SW) 102 is turned off and the recording switch (REC SW) 101 is turned on (recording is enabled). In this case, a signal for instructing a recording operation on the recording medium 11 is generated, and in step S6, the system control unit 10 executes a recording (REC) mode described later in accordance with the signal.

In step S5, the recording switch (RE)
If the playback switch (PLAY) 103 is turned on in step S7 without turning on the C SW) 101, a signal instructing a playback operation is generated. In step S8, the system control unit 10 responds to the signal. Execute the reproduction (PLAY) mode. In this reproduction mode, the sound recorded on the recording medium 11 is reproduced.

At step S7, the reproduction switch (PL
When the forward switch (FF SW) 104 is turned on in step S9, the AY SW) 103 is not turned on.
A signal indicating a forward operation is generated, and step 10 is executed.
Then, the system control unit 10 sequentially advances (F
F) Execute the mode. In this forward mode, the audio files recorded on the recording medium 11 are sequentially forwarded.

In step S9, the forward switch (F
F SW) 104 is not turned on, and the reverse feed switch (REW SW) 105 is turned on in step S11, a signal for instructing the reverse feed operation is generated, and step 1 is executed.
In 2, the system control unit 10 executes a backward (REW) mode according to the signal. In this reverse mode,
The audio file recorded on the recording medium 11 is reversed.

If the reverse feed switch (REW SW) 105 is not turned on in step S11, the processing from step S2 is performed again.

The recording (REC) in step S6 will be described below.
The mode will be described. In step S21 in FIG. 5, the system control unit 10 starts recording. In this case, the analog audio signal input by the microphone 1 is converted into a digital signal via the amplifier 2, the low-pass filter 3, and the A / D converter 4 and input to the digital signal processing unit 5. The audio data encoded by the digital signal processing unit 5 is transmitted to the system control unit 10 and written on the recording medium 11.

Next, when the memory of the recording medium 11 is fully stored (FULL) at step S22, the system control unit 10 stops recording at step S23, and warns the display unit 13 at step S24. , And
By outputting an alarm sound from the speaker 9 via the digital signal processing section 5, the D / A converter 6, the low-pass filter 7, and the amplifier 8, the operator is notified that recording is not possible.

In step S25, when the operator slides the slide switch 21, the recording switch (REC SW) 101 is turned off, and the stop switch (STOP SW) 102 is turned on. In step S26, the system control unit 10 stops the recording operation according to the signal, controls the locking device 14 (provides a current to the solenoid to generate a magnetic field), and sets the locking member 141. To a state where it is lifted up (a state where there is a convex position).

Accordingly, when recording on the recording medium 11 cannot be performed, the locking member 141 protrudes from the locking device 14 in a state where the stop switch (STOPSW) 102 is pressed down by the projection 223 and turned on. In this state, the operator cannot turn on the recording switch (REC SW) 101. This is, as described above, the engagement portion 22
2 is locked by the locking member 141, and the slide switch 21 cannot be slid in the direction of the recording switch (REC SW) 101. This allows
If the recording cannot be performed on the recording medium 11, the operator slides the slide switch 21 and again operates the recording switch (RE).
C SW) 101 is prevented from turning on.

In step S22, the recording medium 11
If the memory is not fully stored (FULL) in step S27, the operator sets the slide switch 21 in step S27.
Slide switch to stop switch (STOP
SW) 102 is turned on, the system control unit 10
Stops recording in step S28. Step S above
27, the stop switch (STOP SW) 102 is turned on
If not, the processing after step S22 is performed again.

It should be noted that the present invention is not limited to the above-described embodiment, but can be implemented with appropriate modification without departing from the scope of the invention.

In the above-described embodiment, when the memory of the recording medium 11 is fully stored (FULL), the system control unit 10 stops recording, and the stop switch (STOP)
After the SW) 102 was turned on, the locking member 141 was urged and pulled up, but the stop switch (STOP SW) 10
The locking member 141 may be controlled to be pulled up before 2 is turned ON. This is because the engaging portion 222 has a shape as shown in FIG. 3, so that the slide switch 21 is stopped by the stop switch (STO) even if the locking member 141 is projected.
This is because the engaging portion 222 gets over the locking member 141 when sliding in the direction of P SW) 102.

[0047]

According to the present invention, it is possible to provide a voice recording apparatus that allows an operator to reliably recognize that recording is impossible.

[Brief description of the drawings]

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

FIG. 2 is an external view of a digital audio recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 3 is a sectional view of an operation switch portion in the digital audio recording / reproducing device according to the embodiment of the present invention.

FIG. 4 is a flowchart showing an operation procedure in the digital audio recording / reproducing apparatus according to the embodiment of the present invention.

FIG. 5 is a flowchart showing an operation procedure in the digital audio recording / reproducing apparatus according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Microphone 2 ... Amplifier 3 ... Low-pass filter 4 ... A / D converter 5 ... Digital signal processing unit 6 ... D / A converter 7 ... Low-pass filter 8 ... Amplifier 9 ... Speaker 10 ... System control unit 11 ... Recording medium 12 ... operation input unit 13 ... display unit 14 ... locking device 141 ... locking member 20 ... main body 20a ... front panel 20b ... side panel 20c ... top panel 21 ... slide switch 211 ... ball 212 ... non-slip 22 ... slide member 221 ... Ball 222: engaging portion 223: protrusion

Claims (3)

[Claims] An audio recording apparatus for recording input audio data on a recording medium, comprising: a first position for generating a first signal for instructing a recording operation on the recording medium; and an instruction for stopping the recording operation. Operating means movable to a second position for generating a second signal to be generated, locking means for locking the operating means, and detecting whether audio data can be recorded on the storage medium. Detecting means, and controls the recording operation of the audio data on the recording medium according to the first signal and the second signal,
Control means for controlling the locking means in accordance with the detection result of the detection means. 2. The control means moves the operation means from the second position to the first position when the detection means detects that audio data cannot be recorded on the storage medium. 2. The audio recording apparatus according to claim 1, wherein control for locking the operation means is performed by the locking means so as to prohibit the operation. 3. The storage device according to claim 2, wherein the presence / absence of the storage medium, the remaining capacity of the storage medium, whether or not writing to the storage medium is possible, an initialization state of the storage medium,
The audio recording apparatus according to claim 1, wherein at least one of the presence and absence of an abnormality in the storage medium is detected.