JPH1127787A - Portable audio information processing unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the handling of a plurality of audio information devices and to simplify their configuration. SOLUTION: A portable audio information processing unit is provided with a radio wave reception section 1 that receives a broadcast radio wave, a radio system telephone speech section 2 that makes a speech with other telephone set, and an audio signal input/output section 6 to which a microphone section 3 and an earphone section 4 that are of a type worm on human body are connected. A picked-up signal from the microphone section 3, received by the audio signal input/output section 6, is delivered to the telephone speech section 2 and an audio output signal from the radio wave reception section 1, and the audio output signal from the telephone speech section 2 are delivered to the audio signal input/output section 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable audio information handling apparatus for handling audio information so that it can be heard.

[0002]

2. Description of the Related Art Such voice information includes, for example, voice information in a broadcast wave and voice information of a telephone call. Conventionally, such voice information is generally handled separately by individual devices. Met. That is, conventionally, there has been a portable radio for receiving and listening to a radio broadcast, and there has been a portable telephone for telephone communication.

[0003]

Therefore, in the above-mentioned conventional configuration, it is necessary to operate a dedicated device according to the audio information to be handled, and it is necessary to carry a plurality of devices, which makes the handling inconvenient. Had become something. The present invention has been made in view of the above circumstances, and an object of the present invention is to simplify the handling of voice information and the configuration of devices.

[0004]

According to the present invention, a portable audio information handling apparatus is provided with a radio wave receiving section for receiving broadcast radio waves and a wireless type for communicating with another telephone apparatus. Telephone communication unit, and a single device can have both the function of receiving broadcast radio waves and the function of a telephone. A human body-mounted microphone unit and an earphone unit are connected to the audio signal input / output unit. The detection signal of this microphone unit is transmitted to the telephone communication unit, and the audio output signal of the radio wave reception unit and The voice output signal of the telephone communication unit can be transmitted to the voice signal input / output unit.

[0005] Therefore, when the user of the portable audio information handling device wears the microphone unit and the earphone unit on a part of the user's body, the user of another telephone device can use the microphone unit and the earphone unit. And the earphone unit can listen to the broadcast audio information received by the radio wave receiving unit. In other words, in order to avoid the troublesome operation of holding the main body of the device in hand and pressing the speaker portion against the ear to make a call, the human body-mounted microphone unit and the earphone unit are used. It is convenient to be able to use the earphone part in consideration of the fact that it is convenient to be able to use the earphone part in order to prevent the received sound from giving discomfort to others. While it can be used, it is possible to use the functions of both the telephone communication unit and the radio wave reception unit in a state where the microphone unit and the earphone unit are mounted on the human body. As a result, it is possible to simplify the handling of a plurality of pieces of audio information and simplify the configuration of the device.

In addition, with the above configuration, the microphone unit detects the bone conduction sound to the human ear by the bone conduction microphone, and the detection signal is transmitted to the telephone communication unit. . Therefore, if a general microphone such as a condenser microphone is used for the microphone unit, it is necessary to arrange the microphone unit near the mouth of the user, and the body-mounted microphone unit and the earphone unit are generally large. When using a bone conduction microphone,
The restriction on the arrangement as described above is relaxed, and the microphone unit and the earphone unit to be worn on the human body can be reduced in size. In addition, by detecting the bone-conducted voice, even in the case of talking in a noisy environment, it is possible to make a good communication without being affected by the surrounding noise.

[0007] With the above configuration, the microphone unit includes a bone conduction microphone and detects bone conduction sound to the ear, so that the earphone unit is also attached to the ear. Can be integrally formed, so that the human body-mounted microphone unit and the earphone unit can be further reduced in size.

[0008] With the above configuration, when the voice output signal is output from the telephone communication unit, the transmission control unit is configured to control the voice output signal output from the radio wave reception unit. The voice signal is transmitted to the audio signal input / output unit preferentially, and the earphone unit can preferentially listen to the sound from the telephone communication unit. Therefore, when the user of the portable audio information handling device listens to the audio information of the broadcast radio wave received by the radio wave receiving unit and receives a call from the other party, the switching operation is not required. The voice information of the other party of the call can be heard, and the handling can be further simplified.

Further, with the configuration according to the fifth aspect, the transmission control section preferentially transmits the voice output signal from the telephone communication section to the voice signal input / output section. Is transmitted to the audio signal input / output unit.In the broadcast radio listening state, as the telephone call unit receives a transmission signal from the other party of the call, the audio output signal of the telephone call unit is transmitted to the audio signal input / output unit. Switching is performed by the switching means so as to be in a communication state for transmission. As a method of transmitting the audio output signal from the telephone communication unit to the audio signal input / output unit preferentially, for example, a method of lowering the signal level of the audio output signal of the radio wave reception unit may be considered. By switching from the listening state to the talking state,
Since it is possible to accurately listen to the voice information from the telephone communication unit and rely on a simple switching operation, the device configuration can be simplified.

Further, according to the present invention, the signal level of the audio output signal of the radio wave receiving section and the audio output signal of the telephone communication section are adjusted by the level adjusting means, and then the audio signal input / output section is provided. Is transmitted to That is, it is generally necessary to adjust the signal level of both the audio output signal of the radio wave receiving unit and the audio output signal of the telephone communication unit by providing an amplifier or the like. Utilizing the switching of the voice output signal of the call section by the switching means and transmission to the voice signal input / output section, the level adjustment means adjusts the level of the voice output signal of both the telephone call section and the radio wave receiving section. It is possible to further simplify the configuration.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A portable voice information handling apparatus according to the present invention will be described below with reference to the accompanying drawings. As shown in the block diagram of FIG. 1, the portable voice information handling device MV includes a radio wave receiving unit 1 for receiving radio broadcast radio waves as a broadcast radio wave, and a wireless telephone communication unit for talking with another telephone device. 2, a human body-mounted microphone unit 3 and an earphone unit 4
Plug 5 for connecting microphone earphone ME integrally formed
, Which is an audio signal input / output unit to be connected, a broadcast radio listening state in which an audio output signal of the radio wave receiving unit 1 is output to the jack 6, and a call state in which an audio output signal of the telephone call unit 2 is output to the jack 6 And a transmission control unit 7 for performing switching control and the like, which are housed in a single housing as shown in FIG.

The radio wave receiving section 1 includes an antenna 1a for receiving radio broadcast radio waves, and a radio circuit 1b for demodulating the radio waves received by the antenna 1a and outputting it as an audio signal.
And a channel selection switching button 1c. The telephone communication unit 2 includes an antenna 2a for transmitting and receiving to and from a telephone relay base station and the like, and outputs, as a voice signal, voice information of the other party of the call included in radio waves received by the antenna 2a, and a microphone unit 3 The audio signal detected by the antenna 2a
And a number setting button 2c for inputting a telephone number or the like of the other party of the call.
And are provided.

The transmission control unit 7 has a switch for switching between a broadcast radio listening state in which the audio output signal of the radio wave receiving unit 1 is transmitted to the jack 6 and a telephone call state in which the audio output signal of the telephone communication unit 2 is transmitted to the jack 6. 8 and its changeover switch 8
A volume control circuit 9a and a volume control button 9b, which are level control means LA for controlling the signal level of the audio signal after passing through, and a controller CO for controlling switching of the changeover switch 8 and the like. A power switch 10 for instructing power on / off; a mode changeover switch 11 for switching between a radio mode for enabling the radio wave receiving unit 1 to listen to radio broadcasting and a telephone mode for enabling the telephone communication unit 2; A call button 12 that is pressed to take a call from the other party and to call the telephone number set by the number setting button 2c, a disconnection button 13 for ending a telephone call, and a number setting button A liquid crystal display panel 14 for displaying the telephone number and the like set in 2c is connected to the controller CO.

As shown in FIG. 3, the microphone earphone ME is formed by integrally forming the microphone section 3 and the earphone section 4, and is used by being attached to the user's ear. The microphone unit 3 includes a bone conduction microphone that detects a bone conduction sound to the human ear. Specifically, the piezoelectric element 30, a shield case 31 that covers the entire piezoelectric element 30, and the shield case 31 A microphone case 32 that covers the outside of the piezoelectric element 30 and protects and holds it, and a signal circuit board 33 that detects an electric signal generated in the piezoelectric element 30 and the like.
Is processed by the signal circuit board 33 and output from the connection plug 5 as an audio signal.
As shown in FIG. 4, the piezoelectric element 30 is configured by connecting bimorph type piezoelectric elements in series. Earphone part 4
Is provided with a small dynamic speaker 40, a support member 41 for supporting the dynamic speaker 40, and a protector 42 for preventing foreign matter and dust from entering the front side of the dynamic speaker 40. Audio signal to the dynamic speaker 40
From the sound.

The microphone earphone M configured as described above
E is attached to the concha region 50 of the ear as shown in FIG. 5, and the microphone case 32 of the microphone unit 3 comes into close contact with the bottom surface of the concha region 50 and is transmitted from the vocal cords. It converts incoming microvibrations into electrical signals. At this time, since the microphone portion 3 is covered by the tragus 51, the antitragus 52, and the edge of the concha region 50, stable contact with the bottom of the concha region 50 of the microphone case 32 is obtained. Thus, even in a noisy environment or in a quiet environment in a quiet environment, voice information can be accurately transmitted to the other party.
On the other hand, in the above-described mounting posture, the earphone unit 4 is arranged at a position where the dynamic speaker 40 is substantially opposed to the external auditory canal 53, and outputs the audio output signal of the radio wave receiving unit 1 or the audio output signal of the telephone communication unit 2. The sound is converted to a sound and is effectively emitted to the external auditory meatus 53.

Next, the operation of the portable audio information handling apparatus MV having the above configuration will be schematically described in relation to the operation by the user. In both the telephone mode and the radio mode described below, the microphone earphone ME is worn on the ear and used. This portable audio information handling device MV
Is used as a portable telephone device, the power switch 10 is turned on, and the mode switch 11 is set to the telephone mode. With this setting, the controller CO sets the changeover switch 8 to a communication state in which the audio output signal of the telephone communication unit 2 is transmitted to the jack 6. In this state, when the user makes a call, the number setting button 2
After inputting the telephone number of the other party of the call in step c, by further pressing the call button 12, a dial signal is transmitted from the telephone communication unit 2 according to a control command from the controller CO. When the other party picks up the phone, the microphone earphone ME
When the user ends the conversation with the other party and presses the disconnect button 13, the connection with the telephone line is disconnected. At the time of this call,
The volume of the voice of the other party can be adjusted with the volume adjustment button 9b. When a call is received from the other party while the telephone mode is set, a conversation with the other party can be made by pressing and operating the call button 12.

On the other hand, when the portable audio information handling device MV is used as a radio receiving device, the power switch 10
Is set to the on state, and the mode changeover switch 11 is set to the radio mode. With this setting, the controller C
O sets the changeover switch 8 to a broadcast radio wave listening state in which the audio output signal of the radio wave receiver 1 is transmitted to the jack 6. In this state, when the user selects a desired broadcast station with the channel selection switch button 1c, the user can listen to the radio broadcast via the earphone unit 4 of the microphone earphone ME. In this case as well, the volume of the radio broadcast sound can be adjusted with the volume adjustment button 9b.

When a call is received from the other party while the radio mode is set, the telephone communication unit 2 sends a signal to the controller CO indicating that the call has been received.
In response to this signal, the controller CO switches the changeover switch 8 from the broadcast radio wave listening state to the talking state, so that the audio output signal of the telephone talking unit 2 is transmitted to the jack 6. That is, the mode is temporarily switched from the radio mode to the telephone mode. Along with this, the user who has listened to the radio broadcast until then can use the information indicating the incoming call (for example, a ringing tone) that can be heard from the earphone unit 4.
By knowing that the call has been received and pressing the call button 12, a conversation with the other party can be performed. When the call is ended and the disconnection button 13 is pressed by the user, the controller CO switches the changeover switch 8 from the call state to the broadcast wave listening state, and returns to a state in which the earphone unit 4 can listen to the radio broadcast. .

That is, the switching means MC comprising the controller CO and the changeover switch 8 switches between the broadcast radio wave listening state and the talking state, and when the broadcast radio wave listening state is set, the telephone communication section 2 is turned on. When a transmission signal from the other party is received, the state is switched from the broadcast wave listening state to the talking state, and when a sound output signal is output from the telephone communication unit 2, the sound output signal is output from the radio wave reception unit 1. The transmitted audio output signal is preferentially transmitted to the audio signal input / output unit, that is, the jack 6.

[Other Embodiments] Other embodiments will be listed below. In the above embodiment, the changeover switch 8 switches between a broadcast radio listening state in which the audio output signal of the radio wave receiving unit 1 is transmitted to the jack 6 and a call state in which the audio output signal of the telephone communication unit 2 is transmitted to the jack 6. Although the switching is performed, the voice output signal of the radio wave receiving unit 1 and the voice output signal of the telephone communication unit 2 may be added and transmitted to the jack 6. In this case, the sound output signal of the radio wave receiving unit 1 and the sound output signal of the telephone communication unit 2 can be separately adjusted so that the two can be distinguished and heard as needed. In this case, the signal level of each of the audio output signal of the radio wave receiving unit 1 and the audio output signal of the telephone communication unit 2 can be adjusted under the control of the controller CO. When
By automatically lowering the volume of the audio output signal of the radio wave receiving unit 1 and automatically raising the audio output signal of the telephone communication unit 2, the audio output signal of the telephone communication unit 2
The audio output signal may be transmitted to the jack 6 preferentially.

In the above-described embodiment, a radio wave of a radio broadcast is exemplified as a broadcast wave, but a radio wave of a television broadcast may be received, and the broadcast sound may be heard by the earphone unit 4. . In this case, the portable audio information handling device MV may be provided with a monitor screen for displaying the received image of the television broadcast.

In the above embodiment, the microphone unit 3 and the earphone unit 4 are integrally formed as a microphone earphone ME. However, the microphone unit 3 including the bone conduction microphone and the earphone unit 4 are separated from each other, It is good also as a structure of distributing and mounting. Further, instead of arranging the small dynamic speaker 40 as illustrated in the above-described embodiment in the concha cavity 50, the earphone unit 4 may be configured as a so-called headphone type and pressed against the ear unit.

[Brief description of the drawings]

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

FIG. 2 is an external perspective view of the apparatus according to the embodiment of the present invention.

FIG. 3 is an enlarged view of a microphone unit and an earphone unit according to the embodiment of the present invention.

FIG. 4 is an enlarged view of a microphone unit according to the embodiment of the present invention.

FIG. 5 is an explanatory diagram of a mounted state of a microphone unit and an earphone unit according to the embodiment of the present invention;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 radio wave receiving section 2 telephone communication section 3 microphone section 4 earphone section 6 audio signal input / output section 7 transmission control section LA level adjusting means MC switching means

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04R 3/00 320 H04R 3/00 320

Claims (6)

[Claims] 1. A radio wave receiving unit for receiving broadcast radio waves, a wireless telephone communication unit for talking with another telephone device, and an audio signal input / output unit to which a human body-mounted microphone unit and an earphone unit are connected. The detection signal of the microphone unit input to the audio signal input / output unit is transmitted to the telephone communication unit, and an audio output signal of the radio wave reception unit and an audio output signal of the telephone communication unit. Is a portable audio information handling device configured to be able to transmit to the audio signal input / output unit. 2. The portable audio information handling device according to claim 1, wherein said microphone unit includes a bone conduction microphone for detecting a bone conduction sound to a human ear. 3. The portable audio information handling device according to claim 2, wherein said microphone unit and said earphone unit are integrally formed. 4. When an audio output signal is output from the telephone communication unit, the audio output signal is given priority over the audio output signal output from the radio wave reception unit. The portable voice information handling device according to any one of claims 1 to 3, further comprising a transmission control unit that transmits the voice information to the portable audio information handling device. 5. The broadcast control device according to claim 1, wherein the transmission control unit transmits a broadcast radio wave listening state in which an audio output signal of the radio wave receiving unit is transmitted to the audio signal input / output unit, Switching means for switching to a call state to be transmitted to, the transmission control section, when in the broadcast radio listening state, with the telephone call section receiving a transmission signal from the other party of the call, 5. The portable audio information handling device according to claim 4, wherein the portable audio information handling device is configured to switch from a broadcast wave listening state to the call state. 6. A level adjusting means for adjusting a signal level of an audio output signal of the radio wave receiving unit and an audio output signal of the telephone communication unit, which are transmitted to the audio signal input / output unit. Portable audio information handling device as described.