JPH11239229A - Hand-free set with recording/reproducing function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To immediately retrieve and reproduce desired information in a recorded message in the case of reproducing a voice signal recorded in a memory. SOLUTION: The speech set is provided with a pickup switch 39 that is operated while a voice signal stored in a memory 18 is recorded/reproduced. When the pickup switch 39 is operated when the voice is recorded in the memory 18, a recording address of the memory 18 is stored as a program search address. When the pickup switch 39 is operated when the voice in the memory 18 is reproduced, the voice data are recorded from a recording address in the vicinity of the program search address.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hands-free telephone with a recording / reproducing function which enables a hands-free telephone conversation while holding a portable telephone while driving a vehicle and has a memory capable of recording / reproducing voice during the telephone conversation. It relates to a free communication device.

[0002]

2. Description of the Related Art Conventionally, this kind of hands-free communication device has a function of reproducing voice recorded in a memory.
It has a function to play the audio for the entirety from the beginning to the middle.

[0003]

However, in such a conventional hands-free communication device, when there is information to be found in a recorded message in a memory, the information is immediately searched and reproduced. I had to wait a long time before playing the recorded message containing the information from the beginning until the desired information was played.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a hands-free communication device with a recording / reproducing function which can immediately search and reproduce desired information in a recorded message when reproducing a voice recorded in a memory. is there.

[0005]

According to the first aspect of the present invention,
In a hands-free communication device with a recording / playback function having a memory capable of recording and playing back a voice during a call, which enables hands-free communication with a mobile phone through a microphone and a speaker arranged in a car, A pickup switch that can be operated during recording and playback, and when the pickup switch is operated during voice recording of the memory, the recording address of the memory at the time of operation of the pickup switch is stored as a cueing address, A control unit that reproduces a sound from a recording address near the cueing address when the pickup switch is operated during the sound reproduction of the memory.

According to a second aspect of the present invention, in the first aspect, the control unit stores a plurality of the cueing addresses each time the pickup switch is operated a plurality of times during voice recording in the memory, Each time the pickup switch is operated a plurality of times during the sound reproduction of the memory,
The sound is reproduced after sequentially moving to a recording address near the plurality of cueing addresses.

[0007] The invention described in claim 3 is claim 1 or 2.
Wherein the control unit reproduces a sound from a recording address of the sound a predetermined time before the cueing address when the pickup switch is operated during the reproduction of the sound from the memory.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a mobile phone capable of two-way communication with a telephone outside the vehicle. When the mobile phone 1 is connected to the control unit 10 of the hands-free communication device, hands-free communication without the mobile phone 1 is possible. . The control unit 10 includes a microphone unit 30,
The speaker 50 is connected.

First, the control unit 10 is provided with a multipolar connector (not shown) that can be connected to the mobile phone 1. The CPU 11 provided in the control unit 10 exchanges control signals with the mobile phone 1 through the interface 12 and inputs control signals from a microphone unit 30 to be described later through the signal separation circuit 13. Also, the input signal of the sound from the mobile phone 1 and the received signal of the sound from the microphone unit 30, which will be described later, have their echo signals removed by the echo canceling unit 14 and further adjusted by the volume adjusting unit 15. After being amplified by the amplifier 16, the signal is output to a speaker 50 described later. The volume adjustment unit 15 is connected to a guide audio adjustment unit 15A and a reception audio adjustment unit 15B. The input signal of the sound from the microphone unit 30 is transmitted to the echo canceling unit 14.
To the mobile phone 1 and to the voice recording / reproducing circuit 17.

The CPU 11 has a microphone unit 3
There is a recording function for storing the received signal of the voice input from the mobile phone 1 in the memory 18 together with the voice signal input from 0 to the voice recording / playback circuit 17. Further, the CPU 11
Has a reproduction function of outputting an audio signal read from the memory 18 to a speaker 50 to be described later through the volume control unit 15 and the amplifier 16. Reference numeral 19 denotes a voice synthesizing unit that synthesizes a voice signal. Such a recording function and a reproducing function of the CPU 11 will be described later together with an operation.

The microphone unit 30 is mounted on a pillar near the driver's seat, and has a microphone 31 for inputting voice. The audio signal input from the microphone 31 is passed through a low-pass filter 32, amplified by an amplifier 33, and then input to the control unit 10. Further, the microphone unit 30 has T
An EL switch 34, an UP switch 35, a DOWN switch 36, a recording switch (REC switch) 37, a reproduction switch (PLAY switch) 38, and a pickup switch 39 are provided. A control signal corresponding to the operation of these switches is modulated by a modulation circuit. It is generated at 40.
These control signals are input from the mixing circuit 41 to the signal separation circuit 13 of the control unit 10. Reference numeral 42 denotes a transmission circuit connected to the modulation circuit 40, and reference numeral 43 denotes a power supply circuit connected to the mixing circuit 41. Switches 34, 35, 36, 37, 3
As the switches 8 and 39, for example, a push switch that is turned on at the time of operation can be used.

The speaker 50 receives and reproduces an audio signal from the control unit 10, and is provided, for example, near the driver's seat in the vehicle.

Next, the operation will be described. Control unit 10
Outputs the voice signal input from the microphone 31 of the microphone unit 30 to the mobile phone 1 and reproduces the received signal of the voice input from the mobile phone 1 through the speaker 50, thereby allowing the mobile phone 1 to be driven while the vehicle is driving. Enables hands-free calling that you do not have.

FIG. 2 is a flowchart for explaining the recording operation under the control of the control unit 10. First, after POWER-ON (step S1) by turning on the power,
Recording is started by turning on the recording switch 37 in the microphone unit 30. (Steps S2 and S
3) That is, the audio signal input to the audio recording / playback circuit 17 is continuously stored in the memory 18 together with the audio reception signal input from the mobile phone 1. Then, after a lapse of a recording time for one call (40 seconds in the present embodiment), the recording operation is terminated (steps S6 and S7), and thereafter, the recording area of the memory 18 for recording the next call is recorded. Is cleared (step S8), and the process returns to step S2.

During such a recording operation, the pickup switch 39 of the microphone unit 30 is operated.
It is determined whether or not there is an ON operation. (Step S4) When the pickup switch 39 is turned on, an index is attached to the recording content at the time of the ON operation (Step S5), and the recording address of the memory 18 at that time is searched for. To be stored. When the ON operation of the pickup switch 39 is performed a plurality of times during the recordable time of one call, the recording address of the memory 18 at the time of the ON operation is sequentially stored as a cueing address each time.

FIG. 3 is a flowchart for explaining the reproducing operation in the control unit 10. First, after POWER-ON (step S11) by turning on the power, the reproduction switch 38 of the microphone unit 30 is turned ON to start reproduction of the sound recorded in the memory 18. (Steps S12 and S13) That is, the memory 1
The audio signal continuously read out from the speaker 8 is output to the speaker 50 through the volume controller 15 and the amplifier 16. Then, after the reproduction operation of the voice for one call has elapsed (40 seconds in the case of the present embodiment), the reproduction operation is terminated, and the process returns to the step (S17, S18) and the previous step S12.

During such a reproducing operation, the pickup switch 39 of the microphone unit 30 is operated.
It is determined whether or not there is an ON operation (step S15). When the pickup switch 39 is turned on, the currently recorded audio content is skipped, and the audio recording address to be reproduced is set to the above-mentioned cue position in order to reproduce the recorded content with the index. The address is moved to the address slightly before the address (step S16), and the sound is reproduced from the moved address. In the case of the present embodiment, when the pickup switch 39 is turned on, the sound is moved to the address where the sound two seconds before the cueing address is recorded, and the sound is reproduced from that address. . Also, as described above, when a plurality of cueing addresses are stored for the recorded contents of one call, if the pickup switch 39 is turned on again, the recording address of the sound to be reproduced is recorded. Is moved to the address slightly before the next cueing address, and the sound from that address is reproduced. Similarly, each time the pickup switch 39 is turned on a plurality of times, the recording address of the sound to be reproduced is shifted one after another.

As described above, when the voice is recorded, the cueing address is stored using the pickup switch 39, so that when the voice is reproduced, the voice recorded at the cueing address is immediately searched. Can be played.

[0019]

As described above, the hands-free communication device with a recording / reproducing function of the present invention stores the recording address of the memory at the time of operating the pickup switch as the cueing address during the voice recording by the memory. During playback of the voice from the memory, the voice is played back from the recording address near the cueing address based on the operation of the pickup switch based on the operation of the pickup switch. It is possible to immediately retrieve and reproduce desired information, for example, information such as a telephone number and an address.

Further, by storing a plurality of cueing addresses during voice recording by the memory, a plurality of desired information in the recorded message can be retrieved one after another when reproducing the voice recorded in the memory. And can be played.

Further, in reproducing the voice recorded in the memory, the voice is reproduced from the voice recording address for a predetermined time period than the cueing address, so that the information to be known in the recorded message can be provided with sufficient time. I can definitely hear it.

[Brief description of the drawings]

FIG. 1 is a block diagram of an embodiment of the present invention.

FIG. 2 is a flowchart for explaining a voice recording operation in the hands-free communication device of FIG. 1;

FIG. 3 is a flowchart for explaining a sound reproducing operation in the hands-free communication device of FIG. 1;

[Explanation of symbols]

 Reference Signs List 1 mobile phone 10 control unit 18 memory 30 microphone unit 31 microphone 50 speaker

Claims (3)

[Claims] 1. A hands-free communication device with a recording / playback function having a memory capable of performing a hands-free call with a mobile phone through a microphone and a speaker arranged in a vehicle and having a memory capable of recording and playing back a voice during the call. A pickup switch operable during recording and reproduction of voice by the memory; and when the pickup switch is operated during voice recording of the memory, a recording address of the memory at the time of operation of the pickup switch. When the pickup switch is operated during audio reproduction of the memory, a control unit that reproduces audio from a recording address near the cueing address,
A hands-free communication device with a recording / reproducing function, comprising: 2. The control unit stores a plurality of cueing addresses each time the pickup switch is operated a plurality of times during voice recording of the memory, and stores a plurality of the pickup switches during voice reproduction of the memory. 2. The hands-free communication device with a recording / reproducing function according to claim 1, wherein the sound is reproduced after being sequentially moved to a recording address near the plurality of cueing addresses each time the operation is performed. 3. The control unit according to claim 2, wherein when the pickup switch is operated during the reproduction of the sound from the memory, the control unit reproduces the sound from a recording address of the sound that is a predetermined time before the cueing address. The hands-free communication device with a recording / reproducing function according to claim 1 or 2.