WO2001084727A1

WO2001084727A1 - Head-mounted transmitter/receiver

Info

Publication number: WO2001084727A1
Application number: PCT/JP2001/003585
Authority: WO
Inventors: Masamichi Muta
Original assignee: Muta, Fumio
Priority date: 2000-04-28
Filing date: 2001-04-25
Publication date: 2001-11-08
Also published as: JP3489817B2; JP2001313582A

Abstract

The invention provides a head-mounted transmitter/receiver having the function to play music. A transmitter/receiver comprises a first mixer (41) for supplying a transmitter (43) with a mixed signal of an audio signal (M_Sig) output from an MP3 player 8a and a first voice signal (S1_Sig) collected by a speech microphone (2); and a second mixer (42) for supplying speakers (5a, 5b) with a mixed signal of the audio signal (M_Sig) output from the MP3 player (8), a second voice signal (S2_Sig) received by a receiver (44), and a third voice signal collected by external microphones (7a, 7b).

Description

Description Headphone type transceiver Technical field

The present invention relates to a headphone transceiver having a function of listening to music. Background art

In recent years, portable audio equipment that listens to music on headphones outdoors has become widespread among young people. Portable audio equipment uses cassette tapes, CDs, MDs, etc. as recording media to play back audio data recorded on these media, and prevents sound leakage to the surroundings for listening in trains. An ear-ear type headphone that is inserted into the auricle cavity or an ear-covering type headphone that covers the entire auricle is connected. In addition, MP3 players and the like that reproduce audio data recorded on memory cards have become widespread, and portable audio devices are becoming smaller and lighter.

On the other hand, if you are in a group of several people at a certain distance, such as skiing and motorbike touring, use personal radio or other short-distance It is a common practice to use a so-called hands-free communication device / mobile phone by wearing a headset that combines a headphone and a call microphone.

In this way, portable audio and communication equipment that is used outdoors with a headphone is widespread among young people. However, a portable audio device that is enjoyed by individuals and a communication device that communicates with multiple members are basically completely different in purpose and form of use. Therefore, simultaneous use was not considered.

However, music is very familiar to young people, and in order to make calls using communication equipment, portable audio equipment must be stopped to stop listening to music or wait for reception. It is troublesome to cut the music to play it, and it is not easy to use. Also, when you work in a group, you want to let other members listen to your favorite music, and you want to know what genre music other members are listening to. There is.

Disclosure of the invention

The present invention has been made to achieve the above object, and has a telephone microphone for collecting a user's telephone call, and a first audio signal collected by the telephone microphone converted to a wireless signal to provide another signal. Wireless signal transmitting means for transmitting a wireless signal transmitted from another transceiver, a wireless signal receiving means for receiving a wireless signal transmitted from another transceiver and converting it into a second audio signal, (2) The present invention relates to an improvement of a headphone type transceiver having a speaker from which an audio signal is output. A music output unit that outputs an audio signal; and a first mixing unit that outputs a first composite signal obtained by mixing the audio signal and the first audio signal. The wireless signal transmission unit includes: (1) It is characterized in that a hybrid signal is converted into a radio signal and transmitted to another transceiver.

According to the present invention, the user wearing the headphone-type transceiver transmits and receives the audio signal output from the music output unit and his / her own voice collected by the call microphone. One hybrid signal can be wirelessly transmitted to another transceiver by the wireless signal transmitting means. Therefore, when making a call, the user can transmit his / her own voice to another transceiver as music as background music, and when not making a call, only the music can be transmitted to another transceiver. Can be sent to the transceiver.

Also, transmission signal selecting means for selecting a signal converted to a radio signal by the radio signal transmitting means and transmitted to another transceiver from among the first audio signal, the audio signal, and the first hybrid signal. It is characterized by having.

According to the present invention, the user of the headphone transceiver can transmit a radio signal to be transmitted to another transceiver in accordance with a use condition by using the transmission signal selecting means only for the voice of the user ( The first audio signal), music only (the audio signal), and both the user's voice and music (the first hybrid signal) can be selected.

Further, there is provided a second mixing means for outputting a second mixed signal obtained by mixing the audio signal and the second audio signal, and the second mixed signal is output via the speaker.

According to the present invention, the second audio signal transmitted from another transceiver and the second hybrid signal obtained by mixing the audio signal are output from the speed. Therefore, the user of the headphone transceiver can listen to the sound (second audio signal) transmitted from another transceiver while listening to the music (audio signal), and listen to the music for a call. There is no need to interrupt taking.

Further, there is provided a speaker output selecting means for selecting a signal output via the speaker from among the audio signal, the second audio signal, and the second hybrid signal.

According to the present invention, the user of the headphone-type transceiver transmits, to the speaker, the sound to be heard from the speaker only from the music (the audio signal) or from another transceiver in accordance with the usage condition. Sound (the second audio signal), and both music and audio transmitted from another transceiver (the second audio signal). (Hybrid signal).

Also, an external microphone that collects sounds surrounding the user, and a third audio signal collected by the external microphone is mixed with at least one of the second audio signal and the audio signal. And third mixing means for outputting the third mixed signal, wherein the third mixed signal is output via the speaker.

According to the present invention, by wearing the headphone type transceiver, even if the surrounding sound is hard to hear, the sound is the surrounding sound of the user collected by the external microphone. Since the third audio signal is mixed with the audio (second audio signal) transmitted from another transceiver or the audio signal and output via the speaker, the user can grasp the surrounding situation. be able to.

Further, there is provided speaker output selecting means for selecting a signal output via the speaker from the second audio signal, the audio signal, the second hybrid signal, and the third hybrid signal. And

According to the present invention, the user of the headphone-type transceiver transmits, to the transmission signal selection unit, an audio signal output from the other transceiver by the transmission signal selection unit in accordance with a use situation. Only the transmitted voice (the second voice signal), only the music (the audio signal), both the voice and the music transmitted from the other transceiver (the second hybrid signal), and the other transceiver. It can be selected from all of the voice, music, and surrounding sounds transmitted from the device (the third hybrid signal).

In addition, the operation mode of the headphone transceiver is set to a main mode that enables the wireless signal transmitting unit to transmit the audio signal, and a sub mode that inhibits the wireless signal transmitting unit from transmitting the audio signal. Operating mode switching means for switching between a plurality of headphone-type transmission modes. When transmitting and receiving wireless signals between receivers, one headphone-type transmitter / receiver is set to the main mode, and another headphone-type transceiver is set to the slave mode. The audio signal can be distributed from the headphone transceiver set in the mode to the other headphone transceiver set in the slave mode.

According to the present invention, when a plurality of members wear the headphone-type transceiver and each act in a group, one of the members sets the headphone-type transceiver in the main mode, By distributing the audio signal or the first hybrid signal to the headphone transceivers of the other members in the slave mode, the same music can be heard among the members of the group.

The music output means includes a removable memory card, and music playback means for playing music data recorded in the memory card and outputting the audio signal.

According to the present invention, the memory card is smaller and lighter than a recording medium such as a CD or MD, and the music reproducing means for reproducing music data from the memory card does not have a mechanical reproducing mechanism, and a CD player Since it is smaller and lighter than an MD player, the size of the headphone transceiver can be reduced.

Further, the music output means includes a portable audio device, and an audio signal input device connected to the portable audio device and inputting the audio signal from the portable audio device.

According to the present invention, it is not necessary to provide the music output means exclusively, and the audio signal can be obtained using a general-purpose portable audio device.

The portable audio device may be integrated with the headphone transceiver. It can be mounted.

According to the present invention, as in the case where the portable audio device and the headphone-type transmitter / receiver are provided separately, the movement of the user is not restricted by the cable connecting them, and The headphone transceiver can be easily attached and detached. BRIEF DESCRIPTION OF THE FIGURES

1 and 2 are external views of the headphone transceiver of the present invention, FIG. 3 is a control block diagram of the headphone transceiver shown in FIG. 1, FIG. 4 is an explanatory diagram of a remote controller, and FIG. 5 is a mode. FIG. 7 is a diagram showing the operation contents of a headphone transceiver according to settings. BEST MODE FOR CARRYING OUT THE INVENTION

An example of an embodiment of a headphone type transceiver of the present invention will be described with reference to FIGS. 1 and 2 are external views of the headphone transceiver of the present invention, FIG. 3 is a control block diagram of the headphone transceiver shown in FIGS. 1 and 2, and FIG. FIG. 5 is a diagram showing the operation of the headphone transceiver according to the mode setting.

Referring to FIG. 1, headphone transceiver 1 (hereinafter referred to as transceiver 1) of the present embodiment transmits and receives wireless signals to and from other transceivers 1 and is used. Headband 3 and Headband 3 with built-in call microphone 2 that collects the call of the wearer (wearer) and antenna 4 5 (see Fig. 3) that transmits audio signals and the like collected by call microphone 2 The output levels of the ear pads 4a, 4b provided at both ends and being in close contact with the user's ears, the speakers 5a, 5b covered by the ear pads 4a, 4b, and the speakers 5a, 5b Adjustable volume 6, and external microphones 7a and 7b that collect ambient sound It has.

A guide 9 and a connection plug 10 for integrally mounting a portable MP3 player 8 (corresponding to a portable audio device of the present invention) are provided on the left side of the drawing of the transceiver 1. ing. The MP3 player 8 reproduces music recorded on a memory card (not shown) inserted in the force slot 11 and instructs reproduction, stop, fast forward, etc. of music. Operation unit 12, an LCD display unit 13 that displays the title of the song being played, and a jack 14 into which a connection plug 10 is inserted.

Next, referring to FIG. 2, a power switch 20 for switching の N / OFF of the power supply and an external monitor switch for switching ON / OFF of the external microphones 7a and 7b are provided on the right side of the drawing of the transceiver 1. 2 1, Master Z-slave switch 2 to switch between `` Master '' mode and `` Slave '' mode described later 2 2, Operation mode switch 2 to switch the operation mode described later 23, Receiving infrared radio signal transmitted from remote controller 30 A remote light receiving section 25 and a battery accommodating section 26 are provided.

The remote controller 30 is used to set the details of the operation of the transceiver 1, and includes a switch section 31 having operation switches, an LCD display section 32 for displaying a setting screen, etc., and an infrared radio. And a remote light emitting section 33 for transmitting a signal.

Next, with reference to FIG. 3, the configuration of the control unit built in the transceiver 1 will be described. The whole operation of the transceiver 1 is controlled by a controller 40 composed of a microcomputer or the like. Then, the controller 40 receives a control signal (C—Sig in the figure) transmitted from the remote controller 30 via the infrared light receiving section 25, and receives a control signal (C—Sig) according to the control signal (C—Sig). 1 mixer 4 1 (having the function of the first mixing means and the transmission signal selecting means of the present invention) to the transmitter 4 3 (the wireless signal of the present invention) (Corresponding to the signal transmission means) (Tr—Out) in the figure, and the second mixer 41 (the second mixing means, the third mixing means, and the speed output selection means of the present invention). It controls the signals (Sp-Out in the figure) output from the speaker 5a and 5b to the speakers 5a and 5b.

The first mixer 41 receives a first voice signal (SI—Sig in the figure), which is the user's call sound collected by the call microphone 2, and the MP3 player 8 through a connection plug 10. The output audio signals (M-Sig in the figure) and are input. Then, the first mixer 41 receives the first audio signal (S 1−S ig), the audio signal (M−S ig), and the first audio signal (S 1—Sig) and an audio signal (M-Sig) are mixed, and one of the mixed signals (corresponding to the first mixed signal of the present invention) is selected and output to the transmitter 43. Then (Tr—Out in the figure), the signal is converted to a radio signal and transmitted to another transceiver 1.

The second mixer 42 receives and converts the first voice signal (SI-Sig) collected by the call microphone 2 and the receiver 44 (corresponding to the wireless signal receiving means of the present invention). The second audio signal (S 2—S ig in the figure) from the other transceiver 1 and the third audio signal (S 3—S ig in the figure) collected by the external microphones 7a and 7b, and MP 3 An audio signal (M-Sig) output from the player 8 via the connection plug 10 is input. The second mixer 42 receives the audio signal (M-Sig), the first audio signal (S1_Sig), and the second audio signal (S2) according to the control signal transmitted from the controller 40. — Sig) mixed signal, o — Dio signal (M—Sig), 1st audio signal (S1_Sig) and 2nd audio signal (S2—Sig) mixed The audio signal (S 1_S ig) and the first audio signal (S 1—Sig), a mixed signal (including the third mixed signal of the present invention) obtained by mixing the second audio signal (S2_Sig) and the third audio signal (S3—Sig). One signal is selected and output to the speakers 5a and 5b (Sp-Out in the figure).

Next, the operation and operation of the transceiver 1 will be described with reference to FIGS. Referring to FIG. 4, by operating the switch section 31 provided on the remote controller 30, the user can change the setting of the operation mode of the transceiver 1 or adjust the level of the input audio signal. Can do it.

The switch section 31 has a menu switch 50 for switching the menu displayed on the LCD display section 32, a “main” mode in which the transceiver 1 can distribute music to other transceivers 1, and a music mode. The main / slave switch 51 that switches to the “slave” mode, where distribution of data is not possible, and the upper cursor switch 5 4 and the lower cursor, which select the target whose setting is to be changed from the elements displayed on the LCD display 32 A SOL switch 55, a left cursor switch 56 for changing the setting of the selected object and a right SOL switch 57, and a setting change switch 58 for confirming the change of the setting are provided.

In FIG. 4, audio signals (M—Sig), first audio signals (SI—Sig), and second audio signals (S2—) output from the speakers 5a and 5b via the second mixer 42 are shown. Sig), the third audio signal (S3—Sig), and the output level setting section 60 for adjusting the output levels of these signals as a whole are displayed on the LCD display section 32. ing.

In the figure, “Music” is an audio signal (M-Sig), “MIC 1 J is the first audio signal (S 1—Sig), and“ MIC 2 ”is the third audio signal (S 3—Sig). Sig), “received sound” corresponds to the second audio signal (S2—Sig), and “whole” corresponds to the entire signal.

Then, the user selects the upper cursor switch 5 4 and the lower cursor switch 5 Use 5 to select the signal you want to adjust (the force—sol 6 1 moves to the position of the selected signal), and operate the left cursor switch 5 6 and right cursor switch 5 7 to output each signal. Adjust the level. The length of the indicator 66 changes according to the output level setting.

Also, operate the upper cursor switch 54 or the lower power switch 55 to select the operation mode display section 63 (at this time, the display of the operation mode display section 63 blinks). By operating the sol switch 56 or the right cursor switch 57, the operation mode of the transceiver 1 can be switched from five stages of MOD E1 to MOD E5 described later.

By operating the master-slave switching switch 51, the user can switch between the "master" mode and the "slave" mode. When set to “Master” mode, “Master” is displayed in the main / slave display section 62 on the LCD display section 32 (as shown in FIG. 4), and the “Slave” mode is set. Is displayed on the master Z-slave display section 62.

By operating the external monitor switch 53, the user can switch the ON / OFF of the external microphones 7a and 7b. When the external microphones 7 a and 7 b are ON, “〇N” is displayed 67. Hereinafter, referring to FIGS. 5 (a) and 5 (b), the operation of the transceiver 1 in the “main” mode, the “slave” mode, and each operation mode (MOD E1 to MODE 5) will be described. explain.

Fig. 5 (a) shows when the transceiver 1 is set to the "master" mode, and Fig. 5 (b) shows when the transceiver 1 is set to the "slave" mode. 2 shows an input source of a signal to be transmitted and an input source of a signal output from the speakers 5 a and 5 b of the transceiver 1.

As is clear from FIGS. 5 (a) and 5 (b), when the “main” mode is set, music (audio signal output from the MP3 player 8) is played. Although it is possible to transmit to the other transceiver 1 (MODEl, MODE2), music cannot be transmitted to the other transceiver 1 when the slave mode is set.

Therefore, in a group consisting of multiple members, when each member wears transceiver 1 and acts, one of the members sets transceiver 1 to “main” mode and all other members By setting to "Slave" mode, music can be distributed from transceiver 1 set to "Master" mode to other transceivers 1 set to "Slave" mode

. This allows, for example, the music that one member likes to be heard by other members.

Next, the operation of the transceiver 1 in each of the operation modes (M〇DE1 to M〇DE5) when the “main” mode is set will be described with reference to FIG. 5 (a).

The MODE 1 transmits only the audio signal (M_Sig) output from the MP3 player 8 from the transmitter 43, and also outputs audio signals (M-Sig) from the speakers 5a and 5b. This is an operation mode in which is output.

By setting the operation mode to MOD E1, the user can listen to the music output from the MP3 player 8 by himself and listen to the music he is listening to the other transmitter / receiver 1. Can be sent.

The MODE 2 transmits a mixed signal of the audio signal (M_Sig) output from the MP3 player 8 and the first audio signal (S1—Sig) collected by the call microphone 2 from the transmitter 4 3. While transmitting, a composite signal of the audio signal (M_Sig), the first audio signal (S1—Sig), and the second audio signal (S2—Sig) received and converted by the receiver 44 is transmitted to the speaker 5a. , 5b. By setting the operation mode to M〇DE 2, the user can talk while listening to the music played on the MP3 player 8, and can also listen to the music played on the MP3 player 8 As a GM, it can transmit its own voice to another transmitter / receiver 1.

MOD E 3 transmits only the first audio signal (S 1—S ig) collected by the call microphone 2 from the transmitter 43, and outputs the audio signal output from the MP 3 player 8 and the call microphone. A composite signal of the first voice signal (S 1—S ig) collected by 2 and the second voice signal (S 2—S ig) received and converted by the receiver 44 is output to the speakers 5 a and 5 b. This is the operation mode for outputting from.

By setting the operation mode to MODE 3, the user can make a call while listening to music played by the MP3 player 8. Also, since the audio signal (M-Sig) is not transmitted to the other transceiver 1, the user of the other transceiver 1 makes a call while listening to the music played by the MP3 player 8 of the user. be able to.

MODE 4 transmits the first audio signal (S 1—S ig) collected by the call microphone 2 from the transmitter 43 and the first audio signal (SI—S ig) collected by the call microphone 2 This is an operation mode in which a composite signal of the second audio signal (S2—Sig) received and converted by the receiver 44 is output from the speakers 5a and 5b.

By setting the operation mode to MOD E4, the user can make only a call as in a normal transceiver or mobile phone.

MODE 5 is an operation mode in which no signal is transmitted from the transmitter 43 and only the audio signal (M-Sig) output from the MP3 player 8 is output from the speakers 5a and 5b. By setting the operation mode to MOD E5, the user can listen to music with normal portable audio equipment As before, you can listen to music played on the MP3 player. Next, referring to Fig. 5 (b), each M

The operation of the transceiver 1 in ODE will be described.

MODE 1 is an operation mode in which the second audio signal (S 2 —S ig) received and converted by the receiver 44 from another transceiver is output from the speakers 5 a and 5 b. By setting the operation mode to MODE 1, the user can listen to music transmitted from another transceiver 1 set to the “main” mode.

MOD E 2 and MOD E 4 transmit only the first audio signal (SI-Sig) collected by the call microphone 2 from the transmitter 43 and receive and convert it by the receiver 44. 2 This is an operation mode in which only audio signals (S 2-S ig) are output from the speeds 5 a and 5 b.

By setting the operation mode to MODE 2 or MODE 4, the user can transmit from the transceiver 1 to and from the transceiver 1 set to the “main” mode and the MODE 2 You can talk while listening to music. In addition, between the transceiver 1 set in the “main” mode and the mode 4, the user can make only a telephone call in the same manner as a normal transceiver or a mobile phone.

The MODE 3 transmits the first audio signal (S 1—S ig) collected by the call microphone 2 from the transmitter 43 and the audio signal (M—S ig) output from the MP3 player 8. ) And a second audio signal (S 2 —S ig) from another transceiver 1 that is received and converted by the receiver 44 is output to the speakers 5 a and 5 b.

By setting to MODE 3, the user can talk to another transceiver 1 while listening to music played by the MP3 player 8 of the transceiver 1 worn by the user. In the MODE 5, no signal is transmitted from the transmitter 43, and only the audio signal (M-Sig) output from the MP3 player 8 is output from the speakers 5a and 5b. By setting MODE 5, the user can listen to music played on the MP3 player 8 in the same way as listening to music with a normal portable audio device.

Note that the third audio signal (S3—Sig) collected by the external microphones 7a and 7b can be set in the “master” / “slave” mode or the operation mode (M〇DE1 to MOD E Regardless of the setting of 5), the output is made from the speakers 5a and 5b according to the operation of the external microphone O NZO FF switch 53 of the remote control 30 or the external monitor switch 21 provided in the transceiver 1. . This allows the user to recognize the surrounding sound while listening to music or while making a call.

Switching between the “main” mode and “slave” mode and the operation mode (MODE 1 to M〇DE 5) are performed by the master / slave switch 22 provided on the left side of the transceiver 1. Each operation can be performed by operating the mode switching switch 23.

In the present embodiment, the MP3 player 8 is made detachable integrally with the transceiver 1, so that the MP3 player 8 can be used alone, and the MP3 player 8 and the transceiver 1 can be connected together. The connecting cable is unnecessary, but the MP'3 player may be built in the transceiver 1. Further, a built-in memory may be provided instead of a memory card, and music data may be transferred from a personal computer to the built-in memory, or music data may be obtained from a telephone line.

Alternatively, a general-purpose MP3 player may be used, and the MP3 player may be connected to the transceiver 1 by a cable. In this case, in addition to MP3 players, other types of portable audio such as MD players and CD players Devices can also be connected by cables.

Also, instead of a portable audio device for reproducing a recording medium such as an MD or a CD, a music source may be obtained from a broadcast medium using an FM tuner or the like.

In the present embodiment, the user's own voice (first audio signal) collected by the telephone call microphone 2 is mixed and output from the speakers 5a and 5b, so that the The user's own voice can be heard even when listening to music by raising it, but the benefits of the present invention can be obtained even when the user's own voice is not output from the speakers 5a and 5b. be able to. Also, in the present embodiment, the signal transmitted from the transmitter 43 is converted into a first sound back signal (SI-Sig) collected by the call microphone 2 and an audio signal (M-M) output from the MP3 player 8. — S ig) and a composite signal of the first audio signal (S 1__S ig) and the audio signal (M—S ig), but the first audio signal (S 1—S ig) is always available. ) And a mixed signal (M-Sig) may be transmitted from the transmitter 43.

In the present embodiment, the signals output from the speakers 5 a and 5 b are converted into the audio signal (M-Sig) output from the MP3 player 8 and the first audio signal ( SI-Sig) and a mixed signal of the second audio signal (S2-Sig) received and converted by the receiver 44, and an audio signal (M-Sig) and the first audio signal (S1- Sig) and the second audio signal (S2—Sig) can be selected from the mixed signal, but the audio signal (M—Sig) and the first audio signal (S1—Sig) are always selected. ) And the second audio signal (S2-Sig) may be output to the speakers 5a and 5b.

In this embodiment, the external microphones 7a and 7b are provided. Although the surrounding sounds can be monitored while listening to music or during a call, the benefits of the present invention can be obtained even when the external microphones 7a and 7b are not provided. Industrial applicability

The headphone type transceiver of the present invention can be used as a wireless transceiver capable of talking while listening to music and a wireless transceiver capable of delivering music.

Claims

The scope of the claims

1. A call microphone for collecting a user's call, a wireless signal transmitting means for converting the first voice signal collected by the call microphone into a wireless signal and transmitting the wireless signal to another transceiver, and A headphone comprising: a wireless signal receiving means for receiving a wireless signal transmitted from a transceiver and converting it to a second voice signal; and a speaker which is in close contact with a user's ear and outputs the second voice signal. Type transceiver,

Music output means for outputting an audio signal; and first mixing means for outputting a first mixed signal obtained by mixing the audio signal and the first audio signal, wherein the wireless signal transmitting means comprises the first mixed signal. A headphone-type transmitter / receiver that converts a signal into a wireless signal and transmits the signal to another transceiver.

2. Transmission signal selecting means for selecting a signal converted to a radio signal by the radio signal transmitting means and transmitted to another transceiver from among the first audio signal, the audio signal, and the first hybrid signal. The headphone type transceiver according to claim 1, wherein the headphone type transceiver is provided.

3. It comprises a second mixing means for outputting a second mixed signal obtained by mixing the audio signal and the second audio signal, wherein the second mixed signal is output via the speed. The headphone type transceiver according to claim 2, wherein

4. A speaker output selecting means for selecting a signal output through the speaker from the audio signal, the second audio signal, and the second composite signal. The headphone transceiver described in 3.

5. A second mixing means for outputting a second mixed signal obtained by mixing the audio signal and the second audio signal, wherein the second mixed signal includes 2. The headphone type transceiver according to claim 1, wherein the headphone type transceiver is output via a peak force.

6. A speaker output selecting means for selecting a signal output through the speaker from the audio signal, the second audio signal, and the second composite signal. The headphone transceiver described in 5.

7. An external microphone that collects sounds surrounding the user, and a third audio signal that is collected by the external microphone is mixed with at least one of the second audio signal and the audio signal. 3. The headphone-type transceiver according to claim 1, further comprising third mixing means for outputting a three-hybrid signal, wherein the third hybrid signal is output via the speaker.

8. A speaker output selecting means for selecting a signal output via the speaker from the second audio signal, the audio signal, the second hybrid signal, and the third hybrid signal. The headphone type transceiver according to claim 7, wherein:

9. The operation mode of the headphone transceiver is set to a main mode that enables the transmission of the audio signal by the wireless signal transmitting unit, and a secondary mode that inhibits the transmission of the audio signal by the wireless signal transmitting unit. Operation mode switching means for switching to the operation mode

When transmitting and receiving wireless signals between a plurality of the headphone transceivers, one headphone transceiver is set to the main mode, and the other headphone transceivers are set to the slave mode. Thus, the audio signal can be distributed from the headphone transceiver in the main mode to another headphone transceiver in the slave mode. The headphone transceiver according to any one of claims 1 to 8.

10. The music output means comprises: a removable memory card; and music playback means for playing music data recorded on the memory card and outputting the audio signal. The headphone transceiver according to any one of claims 1 to 8.

11. The music output means includes a portable audio device, and an audio signal input device connected to the portable audio device and inputting the audio signal from the portable audio device. The headphone transceiver according to any one of claims 1 to 8, wherein:

12. The headphone type transmission / reception according to claim 11, wherein the portable audio device can be mounted integrally with the headphone type transceiver.