CN101582700A - In-car mute system and playing equipment with same - Google Patents
In-car mute system and playing equipment with same Download PDFInfo
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- CN101582700A CN101582700A CNA200810106338XA CN200810106338A CN101582700A CN 101582700 A CN101582700 A CN 101582700A CN A200810106338X A CNA200810106338X A CN A200810106338XA CN 200810106338 A CN200810106338 A CN 200810106338A CN 101582700 A CN101582700 A CN 101582700A
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Abstract
The invention discloses an in-car mute system and playing equipment with the same. The mute system comprises an antenna, a communication signal receiving unit, a signal comparing unit and a mute control signal generation unit which are connected in sequence. The in-car mute system also comprises a microphone, a voice signal receiving unit and a signal processing and analyzing unit and is arranged in the playing equipment. The mute system can lead the in-car playing equipment to automatically stop playing when people answer a call or talk in a car, greatly improves the effect of answering the call or talking in the car and enables a person in the car not to miss the incoming call due to the excessive playing volume of the playing equipment. In addition, a driver does not need to adjust the volume of the playing equipment so as to answer the call during drive, the driver and passengers can easily answer the call during drive, and the safety of the driver and the passengers is ensured.
Description
Technical field
The playback equipment that the present invention relates to a kind of silencing system and have this silencing system specifically, relates to a kind ofly make the quiet system of playback equipment when detecting telephone signal and/or voice, and a kind of playback equipment that has silencing system in this car.
Background technology
Current society is everlasting during people and uses the portable phone wireless telecommunications systems such as (as mobile phone, intercoms) and the external world to get in touch when driving.On the run, if playback equipment is just when programs such as playing back music, broadcasting, the occupant must turn broadcast sound volume down and just can connect and make a phone call.And in actual driving, the situation generation of incoming call answering often appears missing because of the excessive occupant of causing of playback equipment volume, perhaps, even hear incoming call, occupant and caller's talk also can be subjected to the influence of the excessive volume of playback equipment.In addition, when having conversation between the people in the car, also need the volume of playback equipment is turned down, if uncomfortable small volume, then klatch is interfered.This shows that in running order playback equipment brings very big influence can for occupant's telephone relation or talk, makes that there is certain potential safety hazard in the process of driving.Therefore, a kind of to make the quiet system of playback equipment at incoming call and voice be present urgent problem in design.
Summary of the invention
The playback equipment that the object of the present invention is to provide the interior silencing system of a kind of car and have silencing system in the car, when people talk in incoming call or the car, silencing system just can make playback equipment quiet in this car, thereby not only make the motroist connect make a phone call or conversation on course in interference-free, and can make that the motroist can be because of the excessive phone that misses of playback equipment volume.
To achieve these goals, the present invention has adopted following technical scheme:
Silencing system in a kind of car, this silencing system is applied on the interior playback equipment of car, it is characterized in that: it comprises antenna, the communication signal receiving element, signal comparing unit and quiet control signal generating unit, antenna, the communication signal receiving element, the signal comparing unit links to each other successively with quiet control signal generating unit, wherein: the wireless signal transmission that antenna sends wireless telecommunications system in the car that detects transfers to the communication signal receiving element, this communication signal receiving element receives this wireless signal transmission and amplifies back generation one voltage output signal, and this voltage output signal transferred to the signal comparing unit, this signal comparing unit compares back generation one compare result signal to this voltage output signal and set point, quiet control signal generating unit produces a quiet control signal after receiving this compare result signal, and this quiet control signal is transferred to the interior Play System of playback equipment.
A kind of playback equipment that has silencing system in the car, be provided with Play System in this playback equipment, it is characterized in that: be provided with silencing system in the car in this playback equipment, this silencing system comprises antenna, the communication signal receiving element, signal comparing unit and quiet control signal generating unit, antenna, the communication signal receiving element, the signal comparing unit links to each other successively with quiet control signal generating unit, wherein: the wireless signal transmission that antenna sends wireless telecommunications system in the car that detects transfers to the communication signal receiving element, this communication signal receiving element receives this wireless signal transmission and amplifies back generation one voltage output signal, and this voltage output signal transferred to the signal comparing unit, this signal comparing unit compares back generation one compare result signal to this voltage output signal and set point, quiet control signal generating unit produces a quiet control signal after receiving this compare result signal, and this quiet control signal is transferred to the interior Play System of playback equipment.
Silencing system of the present invention makes in the car playback equipment automatic pause play in the time of can people receive calls and talk in car, improved the effect that receives calls in the car and talk greatly, makes that the occupant can be because of the excessive incoming call that misses of the broadcast sound volume of playback equipment.And the driver no longer needs to drive to adjust simultaneously the playback equipment volume and receives calls, and makes driver and passenger to receive calls like a cork when driving, and has guaranteed driver and passenger's safety.
Description of drawings
Fig. 1 is the first embodiment composition frame chart of silencing system in the car of the present invention;
Fig. 2 is the circuit theory diagrams of first embodiment of silencing system in the car of the present invention;
Fig. 3 is the second embodiment composition frame chart of silencing system in the car of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1, silencing system is applied on the playback equipment in the car in the car of the present invention, and said here playback equipment can be at least a in played in stereo equipment, tape player, compact disc player, broadcast receiver, the digitlization Disc player etc.Silencing system comprises antenna 10, communication signal receiving element 20, signal comparing unit 30 and quiet control signal generating unit 40 in the car of the present invention, and antenna 10, communication signal receiving element 20, signal comparing unit 30 and quiet control signal generating unit 40 link to each other successively.The wireless signal transmission that antenna 10 sends wireless telecommunications system in the car that detects transfers to communication signal receiving element 20,20 pairs of these wireless signal transmissions of this communication signal receiving element receive and amplify back generation one voltage output signal, and this voltage output signal transferred to signal comparing unit 30,30 pairs of these voltage output signals of this signal comparing unit and set point compare the back and produce a compare result signal, produce a quiet control signal after quiet control signal generating unit 40 receives this compare result signal, and this quiet control signal is transferred to the interior Play System 90 of playback equipment.
As shown in Figure 2, quiet control signal generating unit 40 comprises monostable multivibrator U3A and monostable flipflop U1A, U1B, the compare result signal of input A received signal comparing unit 30 outputs of this monostable multivibrator U3A, the output Q of the output Q of this monostable multivibrator U3A and a monostable flipflop U1A connect one with the door U4D input, should connect the base stage of a transistor V1 through another monostable flipflop U1B with the output of door U4D, the collector electrode of this transistor V1 is exported quiet control signal.
Functional unit shown in Figure 1 is used for the incoming call of communication apparatus such as detecting telephone.For example, when the cell phone incoming call of certain occupant in the car is talked about, this mobile phone sends the transmission signals of certain frequency, at this moment, the antenna 10 of silencing system detects and receives this transmission signals, this transmission signals is delivered to communication signal receiving element 20, high frequency receiver module LB1 in this communication signal receiving element 20 receives and high frequency comparison amplifier V2, after V3 amplifies, produce a voltage output signal, this voltage output signal is transferred to the normal phase input end of the voltage comparator U2A in the signal comparing unit 30, the default voltage setting value of this voltage output signal and internal system compares, produce a compare result signal then, this compare result signal is transferred to the input A of the monostable multivibrator U3A in the quiet control signal generating unit 40, then through monostable flipflop U1A, U1B and produce a quiet control signal, and this quiet control signal is transferred in the Play System 90 in the playback equipment, for example, this quiet control signal can be used for the start and stop of Pause key in the controls playing system 90, after being cell phone incoming call, silencing system makes Pause key open, the broadcast of playback equipment suspends, thereby, those who answer can be normally, receive calls uninterruptedly, after telephone receiving is intact, silencing system makes Pause key close, and playback equipment carries out broadcast state again.
In actual applications, in order to distinguish whether incoming call is true, the transmission signals time that the reception communication apparatus sends can be set at several seconds (being generally three seconds), that is to say, if continuing several seconds, communication apparatus all sends transmission signals, antenna 10 continues several seconds and all receives the transmission signals that communication apparatus sends, and then thinks the incoming call of this communication apparatus for true, so just can prevent that " puppet is sent a telegram here " that communication apparatus from receiving at the base station intersection influences the operate as normal of silencing system.Adjustable resistance RW1 in the signal comparing unit 30 is used for adjusting the voltage setting value of internal preset, thereby is used for adjusting the investigative range of antenna 10, is subjected to the interference of the transmission signals of vehicle outside communication apparatus to prevent the acquisition of signal of communication apparatus in the car.Antenna 10 can be automobile and carries antenna or silencing system from the antenna of establishing, and in addition, the investigative range of antenna 10 is adjustable.
As shown in Figure 3, in the car of the present invention silencing system except communication apparatus such as detectable phone incoming call, also detectable human body voice.Survey phonological component and comprise microphone 100, voice signal receiving element 50 and signal processing analysis unit 60, the voice signal that this microphone 100 sends people in the car that detects transfers to voice signal receiving element 50,50 pairs of these voice signals of this voice signal receiving element receive and amplify back generation one output signal, and this output signal transferred to signal processing analysis unit 60,60 pairs of these output signals in this signal processing analysis unit carry out producing a consequential signal after the analyzing and processing, and this consequential signal transferred to quiet control signal generating unit 40, produce a quiet control signal after quiet control signal generating unit 40 receives this consequential signal, and this quiet control signal is transferred to the interior Play System 90 of playback equipment.In the practical application, microphone 100 receives occupant's voice in the car, and this voice signal received through voice signal receiving element 50 pass to signal processing analysis unit 60 after amplifying, 60 pairs of signal processing analysis unit transmit the signal that comes and handle, according to default voice frequency range analysis transmit the signal that comes whether be the voice that send of human body (for example, distinguish that voice still are voice in the broadcast receiver broadcasting for the human body voice, signal just bears results when confirming as the voice in the non-broadcasting) and these voice whether surpass and set volume intensity, produce a consequential signal then, and this consequential signal is transferred to quiet control signal generating unit 40, quiet control signal generating unit 40 produces a quiet control signal according to the consequential signal that receives, and this quiet control signal is transferred in the Play System 90 in the playback equipment, for example, this quiet control signal can be used for the start and stop of Pause key in the controls playing system 90, promptly when people talk in car, silencing system can make Pause key open, the broadcast of playback equipment suspends, thereby, people can talk uninterruptedly mutually, after the end several seconds (being generally five seconds) of talking, silencing system makes Pause key close, and playback equipment reenters broadcast state.
In order to improve the alarm function of silencing system of the present invention, also can comprise visual alert unit 80 and audible alert unit 70 in it, this visual alert unit 80 all links to each other with quiet control signal generating unit 40 with audible alert unit 70.Visual alert unit 80 can be provided with display screen, and this display screen is used to show current warning content (as telephone signal wave band of living in and signal power etc.).Audible alert unit 70 can be provided with loud speaker, and the warning signal sends from this loud speaker.In the reality, the display mode of this display screen and the volume of loud speaker all are adjustable.
The invention allows for a kind of playback equipment that has silencing system in the car, be provided with Play System 90 in this playback equipment, be provided with silencing system in the above-mentioned car in this playback equipment, this silencing system comprises antenna 10, communication signal receiving element 20, signal comparing unit 30 and quiet control signal generating unit 40, and antenna 10, communication signal receiving element 20, signal comparing unit 30 and quiet control signal generating unit 40 link to each other successively.The wireless signal transmission that antenna 10 sends wireless telecommunications system in the car that detects transfers to communication signal receiving element 20,20 pairs of these wireless signal transmissions of this communication signal receiving element receive and amplify back generation one voltage output signal, and this voltage output signal transferred to signal comparing unit 30,30 pairs of these voltage output signals of this signal comparing unit and set point compare the back and produce a compare result signal, produce a quiet control signal after quiet control signal generating unit 40 receives this compare result signal, and this quiet control signal is transferred to the interior Play System 90 of playback equipment.In actual the enforcement, playback equipment also can carry out quiet according to the human body voice except can be according to communication apparatus such as phone incoming call quiet.In order to realize the voice mute function, silencing system also comprises microphone 100 in the car in the playback equipment, voice signal receiving element 50 and signal processing analysis unit 60, the voice signal that this microphone 100 sends people in the car that detects transfers to voice signal receiving element 50,50 pairs of these voice signals of this voice signal receiving element receive and amplify back generation one output signal, and this output signal transferred to signal processing analysis unit 60,60 pairs of these output signals in this signal processing analysis unit carry out producing a consequential signal after the analyzing and processing, and this consequential signal transferred to quiet control signal generating unit 40, produce a quiet control signal after quiet control signal generating unit 40 receives this consequential signal, and this quiet control signal is transferred to the interior Play System 90 of playback equipment.According to the caution needs, playback equipment also can be provided with the caution part, during actual enforcement, can make the interior silencing system of car be provided with a visual alert unit 80 and audible alert unit 70, this visual alert unit 80 all links to each other with quiet control signal generating unit 40 with audible alert unit 70.
When reality is implemented, when people talk in communication apparatus incoming call or the car, except the Play System 90 that makes playback equipment temporarily stops to play, also can make the Play System 90 of playback equipment reduce volume automatically, avoid interference people's talk.Silencing system in the playback equipment can be controlled separately, when people do not want to use silencing system, silencing system can be closed and only uses playback equipment.
Silencing system of the present invention makes in the car playback equipment automatic pause play in the time of can people receive calls and talk in car, improved the effect that receives calls in the car and talk greatly, makes that the occupant can be because of the excessive incoming call that misses of the broadcast sound volume of playback equipment.And the driver no longer needs to drive to adjust simultaneously the playback equipment volume and receives calls, and makes driver and passenger to receive calls like a cork when driving, and has guaranteed driver and passenger's safety.Playback equipment of the present invention has silencing system, and when people in the car receive calls and talk, but just the automatic pause broadcast is quiet for it, has satisfied quiet demand in the car well.
Claims (10)
1, silencing system in a kind of car, this silencing system is applied on the interior playback equipment of car, it is characterized in that: it comprises antenna, the communication signal receiving element, signal comparing unit and quiet control signal generating unit, antenna, the communication signal receiving element, the signal comparing unit links to each other successively with quiet control signal generating unit, wherein: the wireless signal transmission that antenna sends wireless telecommunications system in the car that detects transfers to the communication signal receiving element, this communication signal receiving element receives this wireless signal transmission and amplifies back generation one voltage output signal, and this voltage output signal transferred to the signal comparing unit, this signal comparing unit compares back generation one compare result signal to this voltage output signal and set point, quiet control signal generating unit produces a quiet control signal after receiving this compare result signal, and this quiet control signal is transferred to the interior Play System of playback equipment.
2, silencing system in the car according to claim 1, it is characterized in that: silencing system also comprises microphone in the described car, voice signal receiving element and signal processing analysis unit, the voice signal that this microphone sends people in the car that detects transfers to the voice signal receiving element, this voice signal receiving element receives this voice signal and amplifies back generation one output signal, and this output signal transferred to the signal processing analysis unit, this signal processing analysis unit carries out producing a consequential signal after the analyzing and processing to this output signal, and this consequential signal transferred to described quiet control signal generating unit, described quiet control signal generating unit produces a quiet control signal after receiving this consequential signal, and this quiet control signal is transferred to the interior Play System of playback equipment.
3, silencing system in the car according to claim 1 and 2, it is characterized in that: silencing system also comprises visual alert unit and audible alert unit in the described car, and this visual alert unit all links to each other with described quiet control signal generating unit with the audible alert unit.
4, silencing system in the car according to claim 1 and 2, it is characterized in that: described quiet control signal generating unit comprises monostable multivibrator and monostable flipflop, the input of this monostable multivibrator receives the compare result signal of described signal comparing unit output, the output termination one of the output of this monostable multivibrator and a monostable flipflop and the input of door, should connect a transistorized base stage through another monostable flipflop with the output of door, this transistorized collector electrode is exported described quiet control signal.
5, a kind of playback equipment that has silencing system in the car, be provided with Play System in this playback equipment, it is characterized in that: be provided with silencing system in the car in this playback equipment, this silencing system comprises antenna, the communication signal receiving element, signal comparing unit and quiet control signal generating unit, antenna, the communication signal receiving element, the signal comparing unit links to each other successively with quiet control signal generating unit, wherein: the wireless signal transmission that antenna sends wireless telecommunications system in the car that detects transfers to the communication signal receiving element, this communication signal receiving element receives this wireless signal transmission and amplifies back generation one voltage output signal, and this voltage output signal transferred to the signal comparing unit, this signal comparing unit compares back generation one compare result signal to this voltage output signal and set point, quiet control signal generating unit produces a quiet control signal after receiving this compare result signal, and this quiet control signal is transferred to the interior Play System of playback equipment.
6, playback equipment according to claim 5, it is characterized in that: silencing system also comprises microphone in the described car, voice signal receiving element and signal processing analysis unit, the voice signal that this microphone sends people in the car that detects transfers to the voice signal receiving element, this voice signal receiving element receives this voice signal and amplifies back generation one output signal, and this output signal transferred to the signal processing analysis unit, this signal processing analysis unit carries out producing a consequential signal after the analyzing and processing to this output signal, and this consequential signal transferred to described quiet control signal generating unit, described quiet control signal generating unit produces a quiet control signal after receiving this consequential signal, and this quiet control signal is transferred to the interior Play System of playback equipment.
7, according to claim 5 or 6 described playback equipments, it is characterized in that: silencing system also comprises visual alert unit and audible alert unit in the described car, and this visual alert unit all links to each other with described quiet control signal generating unit with the audible alert unit.
8, according to claim 5 or 6 described playback equipments, it is characterized in that: described playback equipment is at least a in played in stereo equipment, tape player, compact disc player, broadcast receiver, the digitlization Disc player.
9, playback equipment according to claim 5, it is characterized in that: all receive the transmission signals that communication apparatus sends if described antenna continues several seconds, then think the incoming call of this communication apparatus for true, influence the operate as normal of silencing system to prevent puppet incoming call that communication apparatus receives at the base station intersection.
10, according to claim 5 or 6 described playback equipments, it is characterized in that: described antenna is that automobile carries antenna or silencing system is established antenna certainly, and the investigative range of described antenna is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810106338XA CN101582700A (en) | 2008-05-13 | 2008-05-13 | In-car mute system and playing equipment with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810106338XA CN101582700A (en) | 2008-05-13 | 2008-05-13 | In-car mute system and playing equipment with same |
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| Publication Number | Publication Date |
|---|---|
| CN101582700A true CN101582700A (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810106338XA Pending CN101582700A (en) | 2008-05-13 | 2008-05-13 | In-car mute system and playing equipment with same |
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| CN (1) | CN101582700A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957459A (en) * | 2011-08-25 | 2013-03-06 | 福特全球技术公司 | Method and apparatus for a near field communication system to exchange occupant information |
| CN103023593A (en) * | 2012-11-16 | 2013-04-03 | 深圳市多尼卡电子技术有限公司 | Methods for sending and playing broadcast information, client equipment, server and system |
| CN107181998A (en) * | 2017-06-29 | 2017-09-19 | 北京新能源汽车股份有限公司 | Acoustics volume control system and method |
-
2008
- 2008-05-13 CN CNA200810106338XA patent/CN101582700A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102957459A (en) * | 2011-08-25 | 2013-03-06 | 福特全球技术公司 | Method and apparatus for a near field communication system to exchange occupant information |
| CN102957459B (en) * | 2011-08-25 | 2016-12-21 | 福特全球技术公司 | System and method near field communication system exchange Customer information |
| US10261755B2 (en) | 2011-08-25 | 2019-04-16 | Ford Global Technologies, Llc | Method and apparatus for a near field communication system to exchange occupant information |
| CN103023593A (en) * | 2012-11-16 | 2013-04-03 | 深圳市多尼卡电子技术有限公司 | Methods for sending and playing broadcast information, client equipment, server and system |
| CN103023593B (en) * | 2012-11-16 | 2015-10-28 | 深圳市多尼卡电子技术有限公司 | The transmission of broadcast message, player method, client device, server and system |
| CN107181998A (en) * | 2017-06-29 | 2017-09-19 | 北京新能源汽车股份有限公司 | Acoustics volume control system and method |
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Open date: 20091118 |