JPH05191342A - On-vehicle acoustic device - Google Patents

Abstract

PURPOSE:To ensure excellent talking during the operation of the acoustic equipment device in the case of providing the acoustic device and a telephone system. CONSTITUTION:While talking is implemented by a reception speaker SP and a transmission microphone 12, head rest speakers 8, 9 arranged to a driver's seat 4 and an assistant's seat 5 reproduce an acoustic signal and a body SONIC 10 arranged to the driver's seat 4 vibrates the driver's seat in response to an acoustic signal. In this case, no acoustic signal is reproduced from an in-panel speaker WF at the left side, door speakers FR, FL to the left and right sides, and rear speakers RR, RL to the left and right sides. Since head rest speakers 8, 9 are placed close to ears of passengers and have a small sound volume, the sound such as music is hardly collected by the transmission microphone 12 and the voice of the passenger is easily heard by the talking opposite party. Moreover, the passenger listens continuously to the music or the like from the headrest speakers 8, 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a vehicle audio system.

[0002]

2. Description of the Related Art Conventionally, as a vehicle audio system, for example, as disclosed in Japanese Utility Model Laid-Open No. 63-183795, speakers are arranged at a total of four positions on the front left and right sides and the rear left and right sides, respectively. There is known an acoustic device that reproduces an acoustic signal from each speaker.

By the way, these days, there is a tendency to arrange a telephone device in a vehicle compartment. For example, in the one disclosed in Japanese Utility Model Laid-Open No. 63-10622, a microphone for transmission is provided,
A so-called hands-free type telephone device is provided in which a speaker for receiving a voice is arranged around a passenger seat in a passenger compartment so that the passenger can talk without having a handset.

[0004]

However, when a telephone device is further provided to a vehicle equipped with the above-described acoustic device, the following dissatisfaction occurs. In other words, when the occupant operates the audio device and listens to music or the like and makes a call using the telephone device, the sound from the audio device is transmitted to the other party of the call through the phone device together with the voice of the occupant. This may cause the other party to have difficulty hearing the passenger's voice.

Therefore, for example, it is conceivable to forcibly stop and control the operation of the audio device during a call using the telephone device. However, this idea is contrary to the intention of the occupant to listen to music, etc. It causes discomfort.

The present invention has been made in view of the above circumstances, and an object thereof is to effectively suppress the extent to which the sound of the audio device is transmitted to the other party of the call while continuing the operation of the audio device during the call. To ensure good communication between the passenger and the other party.

[0007]

In order to achieve the above-mentioned object, the present invention limits the reproduction portion for reproducing the audio signal of the audio device in the vehicle compartment during a call using the telephone device.

That is, the concrete solution means of the invention according to claim 1 is, as shown in FIG. 1, provided with an audio device 15 facing the interior of the vehicle and a telephone device 20 capable of communicating with the outside of the vehicle. For an audio device for a vehicle, the audio device 15 is provided with a plurality of audio signal reproducing means 8, 9, 10, FL ... And at least one of the audio signal reproducing means (for example, 8, 9). , 10) is placed on the passenger seat. Then, the telephone use detection means 27 for detecting the use time of the telephone device 20, and the sound signal reproduction arranged on the occupant seat during use of the telephone device 20 detected by the telephone use detection means 27. The reproduction control means 28 for reproducing the acoustic signal only from the means 8, 9 and 10 is provided.

Further, in the second aspect of the invention, the acoustic signal reproducing means 8 and 9 arranged on the occupant seat of the first aspect of the invention are specified and configured by speakers.

According to the third aspect of the invention, the acoustic signal reproducing means 10 arranged on the occupant seat is specified as a different one, and the vibration signal generating means vibrates the occupant seat according to the acoustic signal. ..

[0011]

With the above construction, in the inventions according to claims 1 to 3, during the call using the telephone device 20, the reproduction control means 28 arranges the acoustic signal reproduction means 8, 9 arranged on the passenger seat. 10 continues to operate. Here, the acoustic signal reproducing means 8, 9 and 10 for continuing this operation are arranged on the occupant seat, so that the other acoustic signal reproducing means FL ...
Compared with the above, since the sound is reproduced closer to the occupant and the volume of the reproduced sound is low, the extent to which the sound is transmitted to the other party of the call is limited to a sufficiently small level, and the other party of the call can hear the passenger's voice well. .. Moreover, the occupant can continuously and satisfactorily listen to music and the like by the sound emitted from the sound signal reproducing means 8, 9, 10 of the occupant seat at a position close to the occupant although the volume is low.

In particular, according to the third aspect of the invention, since the sound signal reproducing means 10 arranged on the passenger seat is constituted by the vibration generating means for vibrating the passenger seat, the sound is not reproduced from the speaker. , It is possible to secure better communication between the passenger and the other party.

[0013]

As described above, according to the vehicle audio system of the invention described in claims 1 to 3, during the call using the telephone system, the acoustic signal reproduction of the speaker or the like provided in the passenger seat is performed. Since the acoustic signal is reproduced only from the means, the extent to which the sound is transmitted to the other party of the call can be limited to a sufficiently small level while the passenger continuously listens to music, etc., and the other party can easily hear the voice of the passenger. You can secure a call.

In particular, according to the third aspect of the invention, since the vibration generating means for vibrating the occupant seat in response to the acoustic signal is activated during the call, the occupant can continue to experience music and the like while talking. The other party can more easily hear the voice of the occupant, and the call between the occupant and the other party can be further improved.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS.

In FIG. 2, 1 is a vehicle whose front part is arranged on the left side in the figure, 2 is a passenger compartment, 3 is steering arranged in the passenger compartment 2, and 4 is a rear portion of the steering wheel 3. Driver's seat 5 is a passenger seat arranged on the left side of the driver's seat 4,
Reference numeral 6 denotes a rear seat which is arranged behind the driver seat 4 and the passenger seat 5 and is long in the vehicle width direction. The driver's seat 4, the passenger seat 5, and the rear seat constitute a passenger seat.

FR and FL are arranged on the doors for getting in and out of the driver's seat 4 and the passenger seat 5, respectively, and left and right door speakers facing the inside of the passenger compartment 2, and RR and RL are rear seats in the passenger compartment 2, respectively. 6
Left and right rear speakers located at the rear left and right ends, W
Reference symbols F and SP denote left and right instrument panel speakers arranged at the left and right ends of the instrument panel of the vehicle 1 so as to face the vehicle compartment 2. These left and right door speakers FR, F
The L, left and right rear speakers, RR, RL, and left instrument panel speaker WF make up a main speaker. Further, 8 is a headrest speaker disposed at each of the left and right ends of the headrest of the driver's seat 4, and 9 is a headrest speaker similarly disposed at each of the left and right ends of the headrest of the passenger seat 5. Reference numeral 10 denotes a body sonic incorporated in the driver's seat 4, and the body sonic 10 vibrates the driver's seat 4 and generates vibration in which the magnitude of the vibration is changed according to an acoustic signal from an audio device 15 described later. Functions as a means. The ten speakers and the body sonic 10 constitute a plurality (11) of acoustic signal reproducing means.

Further, reference numeral 12 is a microphone for transmission of a telephone device arranged in a front position of the driver's seat 4 on the instrument panel of the vehicle 1. Right instrument panel speaker S arranged at the right end of the instrument panel
P is also used as a receiving speaker of the telephone device.

Next, specific configurations of the audio device and the telephone device will be described with reference to FIG. In the figure, the audio device 15
Includes an audio unit 16, the ten speakers FL, FR, RL, RR, WF, 8, 9 and the body sonic 10, and amplifiers 16 to 18 for amplifying acoustic signals to the speakers and the body sonic 10. Equipped with.

On the other hand, a telephone device 20 capable of talking outside the vehicle
Is the telephone unit 21 and the microphone 12 for transmission.
And a speaker for listening (right instrument panel speaker) SP,
The transmission / reception antenna 22 provided in the vehicle 1 and the wireless device 23 are provided, and the reception speaker SP does not receive an acoustic signal during a call using the telephone device 20 even when the acoustic device 15 is operating. The telephone unit 21 also receives a call origination signal, a reception signal, and a call end signal from the wireless device 23. In addition, in FIG. 3, reference numeral 25 is an in-vehicle air conditioner.

Next, the control of the acoustic device 15 and the vehicle air conditioner 25 during a call using the telephone device 20 will be described with reference to FIGS. 4 and 5. FIG. 4 shows the generation and output of the control signal from the telephone unit 21. In step S1, the presence or absence of a call origination signal or a reception signal is discriminated. At the start of use of the telephone device 20 having the origination signal or reception signal, In S2, a blower Low level command signal for the vehicle air conditioner 25 is output to lower the rotation speed of the blower to reduce the rotation sound, and in step S3, an acoustic mute signal is output to the main speaker of the audio device 15.

After that, when the outgoing signal or the received signal disappears in step S1, it is determined in step S4 whether or not there is a call end signal, and during the call without the end signal, the blower low level command signal and the sound mute signal are detected. Although the output is continued, at the end of the call with the end signal, the output of the blower Low level command signal is released in step S5, and the output of the sound mute signal is released in step S6.

FIG. 5 shows output control of sound from the main speaker by the audio unit 16, and step S
In step S2, it is determined whether or not an acoustic mute signal is received from the telephone unit 21, and in step S2, reproduction of the acoustic signal from the five main speakers FL, FR, RL, RR, and WF is prohibited, and When the mute signal is no longer received, the reproduction of the acoustic signals from these main speakers is restarted, and the normal state in which the acoustic signals are reproduced from all the speakers is returned to return.

Therefore, in the control flow of FIG.
The steps S1 and S4 constitute a telephone use time detecting means 27 for detecting the use time of the telephone device 20 based on the presence / absence of a call origination signal or a reception signal and the presence / absence of a call end signal. Further, the telephone device 2 detected by the telephone use detecting means 27 in step S3 of the control flow of FIG. 4 and steps S1 and S2 of the control flow of FIG.
5 main speakers FL, FR, R while 0 is in use
The reproduction control means 28 is configured to prohibit the reproduction of the L, RR and WF sound signals and reproduce the sound signals only from the headrest speakers 8 and 9 of the driver seat 4 and the passenger seat 5 and the body sonic 10. There is.

Therefore, in the above embodiment, the left and right instrument panel speakers WF and SP, the door speakers FR and FL, and the rear speaker R are normally operated when the telephone device 20 is not used and the telephone device 20 is not in use while the audio device 15 is operating.
Acoustic signals are reproduced from all of the R, RL, the headrest speakers 8 and 9, and the body sonic 10 arranged in the driver's seat 4.

On the other hand, while the telephone device 20 is in use, the instrument panel speaker SP on the right side is switched as a receiving speaker, and the voice of the other party of the call is received by the receiving speaker S.
Loud voice from P. In this case, in the audio device 15, reproduction of the audio signals from the five main speakers WF, FR, FL, RR, RL is prohibited, but the driver's seat 4 and the passenger seat 5
The reproduction of the acoustic signal continues only from the headrest speakers 8 and 9 and the body sonic 10 in the driver's seat 4, which are respectively arranged in the. Here, although the volume of each headrest speaker 8 and 9 is smaller than that of the main speakers FR, FL, RR, RL, and WF, since the arrangement position is close to the position of the ears of the occupant, the occupant does not hear the acoustic device. You can continue to listen to music etc. from 15 in good condition. Further, the driver can vibrate the driver's seat 4 in accordance with the acoustic signal by the body sonic 10 so that the driver can continue to listen to the music or the like from the acoustic device 15 even better. Moreover, since the sound such as music from the headrest speakers 8 and 9 is difficult to be collected by the transmission microphone 12 because of the low volume, the other party of the call can easily hear the passenger's voice and the passenger and the other party can hear each other. Good calls to and from are possible.

[Brief description of drawings]

FIG. 1 is a block diagram of the invention according to claim 1;

FIG. 2 is a diagram showing an arrangement of an audio device and a telephone device in a vehicle.

FIG. 3 is a block configuration diagram showing an electrical configuration of an audio device and a telephone device.

FIG. 4 is a flow chart showing the generation control of an audio mute signal by the telephone unit.

FIG. 5 is a flowchart showing mute control of the audio device.

[Explanation of symbols]

4 Driver's seat (passenger seat) 5 Passenger's seat (passenger seat) SP, WF Instrument panel speaker (acoustic signal reproducing means) FR, FL Door speaker (acoustic signal reproducing means) RR, RL Rear speaker (acoustic signal reproducing means) 8, 9 , Headrest speaker (acoustic signal reproduction means) 10 body sonic (vibration generation means) 15 acoustic device 20 telephone device 27 telephone use detection means 28 reproduction control means

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location H04R 5/02 F 8421-5H 5/04 Z 8421-5H

Claims (3)

[Claims] 1. An audio device for a vehicle, comprising: an audio device facing the interior of a vehicle; and a telephone device capable of communicating with the outside of the vehicle, wherein the audio device comprises a plurality of audio signal reproducing means. At least one of the sound signal reproducing means is arranged on the occupant seat, and a telephone use detecting means for detecting the use time of the telephone equipment, and a telephone equipment detected by the telephone use detecting means. During use, the vehicle acoustic apparatus is provided with reproduction control means for reproducing the acoustic signal only from the acoustic signal reproducing means arranged on the occupant seat. 2. The vehicle acoustic apparatus according to claim 1, wherein the acoustic signal reproducing means arranged on the occupant seat is a speaker. 3. The vehicle acoustic apparatus according to claim 1, wherein the acoustic signal reproducing means arranged on the occupant seat is a vibration generating means for vibrating the occupant seat according to the acoustic signal.