CN202889458U - Automatic call volume regulation mobile phone based on environmental noise - Google Patents
Automatic call volume regulation mobile phone based on environmental noise Download PDFInfo
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- CN202889458U CN202889458U CN201220572924.5U CN201220572924U CN202889458U CN 202889458 U CN202889458 U CN 202889458U CN 201220572924 U CN201220572924 U CN 201220572924U CN 202889458 U CN202889458 U CN 202889458U
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Abstract
The utility model discloses an automatic call volume regulation mobile phone based on environmental noise. A first microphone for collecting the user voices of a mobile phone and a second microphone for collecting environmental noise are arranged on a mobile phone shell; the microphone converts the collected environmental noise into an electric signal and transmits the electric signal to a processor in the mobile phone so as to identify the environmental noise decibel, and the processor generates a corresponding gain control signal according to the environmental noise decibel and outputs the gain control signal to an audio frequency amplifier; and the audio frequency amplifier is connected with a mobile phone receiver and regulates the call volume which is output by the mobile phone receiver according to the received gain control signal. The mobile phone enables a user to clearly hear the conversation no matter in what occasion, and avoids the phenomenon that a bad effect is generated on the surrounding crowd due to loud-speaking conversation which is caused by overhigh mobile phone volume when the user answers a phone call in a quiet occasion, so that the user can conveniently use the mobile phone.
Description
Technical field
The utility model belongs to the mobile communication terminal technical field, specifically, relates to a kind of mobile phone that can automatically regulate according to the size of ambient noise In Call.
Background technology
Along with the development of mobile communication technology, mobile phone is as a kind of portable mobile communication equipment, generally accepted by increasing consumer institute and extensively purchases.By means of extensively popularizing of mobile phone products, so that interpersonal communication becomes more and more convenient, interpersonal distance is constantly furthering.
Present mobile phone products, its function be variation day by day, but still the most original voice call function of the most basic function.The user is using mobile phone to carry out in the process of voice call, and whether In Call is suitably a principal element that determines speech quality.For traditional mobile phone products, " volume+" and " volume-" button that the adjusting of In Call needs to arrange on user's manual adjustments mobile phone is finished.When the user uses mobile phone to converse, often can run into because of surrounding environment noisyly, cause the machine user not hear the situation that the other side speaks; Perhaps very quiet because of surrounding environment, but because the In Call that own mobile phone is set is higher, and cause call voice to extend out, have influence on the situation of surrounding population.
When running into above-mentioned two situations, the machine user can only adjust to suitable size with the In Call of mobile phone by the mode of manual adjustments volume button, the process of repeatedly regulating In Call not only exerts an adverse impact to user's normal talking, and brings certain trouble for user's operation.
Summary of the invention
The purpose of this utility model is to provide a kind of mobile phone that can automatically regulate according to the size of ambient noise In Call, to make things convenient for cellphone subscriber's use.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind ofly automatically regulate the mobile phone of In Call according to ambient noise, be provided be used to the first microphone that picks up the machine user speech and be used for picking up the second microphone of ambient noise at handset shell; It is big or small with the decibel that identifies ambient noise to the processor of interior of mobile phone that the ambient noise that described second microphone will pick up converts electric signal transmission to, and described processor exports audio frequency amplifier to according to the corresponding gain control signal of decibel size generation of ambient noise; Described audio frequency amplifier connects earpiece, regulates the volume of the call voice of exporting by earpiece according to the gain control signal that receives.
Preferably, described the first microphone is arranged on front or the side of handset front case body; Described second microphone is arranged on the back side of mobile phone battery cover body.
Further, the user speech that described the first microphone will pick up converts the signal of telecommunication to, transfer to the baseband chip processing of encoding via the audio input channel of interior of mobile phone, export the radio-frequency transmissions circuit to synthetic baseband signal, and then convert radio frequency signal emission output to via radio-frequency antenna.
Further, described radio-frequency antenna converts the radio frequency signal that receives to baseband signal, transfer to the baseband chip processing of decoding by radio-frequency (RF) receiving circuit, after translating audio signal and transfer to described audio frequency amplifier and carry out power amplification and process via audio frequency output channel with solution, export earpiece to.
Compared with prior art, advantage of the present utility model and good effect are: the mobile phone of the present utility model automatically In Call of adjusting cellphone that can vary in size according to the noise of user's environment of living in, when guaranteeing which kind of occasion no matter the cellphone subscriber be in and can both clearly hear the other side's voice, avoided the user when the answering cell phone of quiet place, cause call voice to extend out owing to mobile phone volume is too high, producing dysgenic phenomenon to surrounding population occurs, when promoting mobile phone products complete machine quality, bring great convenience also for cellphone subscriber's routine use.
After reading by reference to the accompanying drawings the detailed description of the utility model execution mode, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 be the utility model propose automatically regulate the Facad structure schematic diagram of the mobile phone of In Call according to ambient noise;
Fig. 2 be the utility model propose automatically regulate the structure schematic diagram of the mobile phone of In Call according to ambient noise;
Fig. 3 be the utility model propose automatically regulate the internal circuit theory diagram of the mobile phone of In Call according to ambient noise.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
The mobile phone of present embodiment is for realize can be according to the automatic purpose of adjusting cellphone In Call of the size of ambient noise, and be provided with two microphones at handset shell: one is be used to the first microphone 3 that picks up the machine user speech; Another is be used to the second microphone 6 that picks up ambient noise, referring to Fig. 1, shown in Figure 2.Consider the accurate Receiver Problem to the alternative sounds source, present embodiment preferably is arranged on the first microphone 3 front of handset front case body 1, a side position of display screen 2 belows for example, as shown in Figure 1, perhaps be arranged on the side of handset front case body 1, preferably be arranged on the lower portion of procapsid 1 side, so that the user is when hand-held conversation, the first microphone 3 can as best one can near the position of mouth, be realized the effective reception to the machine user speech.For the installation position of second microphone 6 on handset shell, should consider two aspect factors: the first, the installation position of second microphone 6 should as far as possible away from the installation position of the first microphone 3, be picked up by second microphone 6 with the voice of avoiding the machine user mistakenly.Given this, present embodiment preferably is arranged on second microphone 6 back side of mobile phone battery cover body 4, as shown in Figure 2, away from mouth, near surrounding environment, realizes the accurate reception to ambient noise with as far as possible.It two is, because the user is when hand-held conversation, palm can shelter from the part zone at mobile phone battery cover body 4 back sides, for fear of the user when gripping mobile phone, palm is covered second microphone 6, the ambient noise that causes picking up by second microphone 6 can not reflect real noise size exactly, and therefore, the installation position of described second microphone 6 on mobile phone battery cover body 4 should be avoided the position of being blocked by the machine user palm easily as far as possible.In the present embodiment, preferably described second microphone 6 is arranged on the top position at back casing 4 back sides, for example the accuracy of environment noise test as shown in Figure 2, to prevent blocking of user's palm, is improved in the position on camera 5 next doors.
Be provided with the control circuit of processing for the audio signal that two microphones are picked up at interior of mobile phone, referring to shown in Figure 3.Among the figure, MIC1 represents the first microphone, picks up the machine user's call voice, and utilizes its inner acoustic-electric converting member to convert voice signal to the signal of telecommunication, transfers to the audio input channel of interior of mobile phone.In described audio input channel, be provided with the audio treatment units such as impedance matching circuit, filter circuit, echo inhibition circuit, after the audio signal of picking up being carried out the audio frequency processing such as filtering, extraction, export baseband chip to and encode, and the synthetic baseband signal that is used for emission exports the radio-frequency transmissions circuit to.Described radio-frequency transmissions circuit is modulated the baseband signal of baseband chip output, and the generation high-frequency signal converts electromagnetic wave to by radio-frequency antenna ANT and externally launches output, sends the machine user's call voice to the other side's mobile phone.The voice signal that sends by the other side's mobile phone is after the radio-frequency antenna ANT via the machine receives, convert radio frequency signal to radio-frequency (RF) receiving circuit that high frequency electrical signal transfers to the machine, after being demodulated to baseband signal via radio-frequency (RF) receiving circuit, export described baseband chip to.Described baseband chip is to the baseband signal that the receives processing of decoding, restore audio signal wherein, be sent to audio frequency amplifier by audio frequency output channel, and then under the power amplification effect of audio frequency amplifier, drive the machine receiver SPK output the other side voice, finish call function.
For the call voice by earpiece SPK output can clearly be heard by the machine user, need to be according to the In Call of the residing ambient noise size adaptation of the machine user ground adjusting cellphone.Given this, present embodiment utilizes the second microphone MIC2 that arranges on the mobile phone to pick up ambient noise, and after utilizing its inner acoustic-electric converting member to convert ambient noise to the signal of telecommunication, exports the processor of interior of mobile phone to.Described processor identifies the amount in decibels of ambient noise according to the ambient noise that receives, and then according to the suitable gain control signal AGC of decibel size generation, exports the audio frequency amplifier of interior of mobile phone to.Described audio frequency amplifier is regulated the power that it exports the audio signal of earpiece SPK to according to the gain control signal AGC that receives, and described audio signal is the other side's voice signal that mobile phone receives, and then realizes the automatic adjusting to In Call.Specifically, if the decibel value of ambient noise is higher, noisy outdoor environment for example, then processor increases the yield value of its output, the control audio frequency amplifier improves the power of the audio signal of its output, the machine user realizes the automatic rising of In Call, so that can clearly hear the other side's voice.If the decibel value of ambient noise is lower, quiet indoor environment for example, then processor reduces the yield value of its output, the control audio frequency amplifier reduces the power of the audio signal of its output, when guaranteeing that the machine user can clearly hear the other side's voice, avoid volume too high, to the machine user's ear and surrounding population normal operation and life generation adverse influence.
Certainly; the above only is a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. automatically regulate the mobile phone of In Call according to ambient noise for one kind, it is characterized in that: be provided be used to the first microphone that picks up the machine user speech and be used for picking up the second microphone of ambient noise at handset shell; It is big or small with the decibel that identifies ambient noise to the processor of interior of mobile phone that the ambient noise that described second microphone will pick up converts electric signal transmission to, and described processor exports audio frequency amplifier to according to the corresponding gain control signal of decibel size generation of ambient noise; Described audio frequency amplifier connects earpiece, regulates the volume of the call voice of exporting by earpiece according to the gain control signal that receives.
2. according to claim 1ly automatically regulate the mobile phone of In Call according to ambient noise, it is characterized in that: described the first microphone is arranged on front or the side of handset front case body; Described second microphone is arranged on the back side of mobile phone battery cover body.
3. the mobile phone of automatically regulating In Call according to ambient noise according to claim 1 and 2, it is characterized in that: the user speech that described the first microphone will pick up converts the signal of telecommunication to, transfer to the baseband chip processing of encoding via the audio input channel of interior of mobile phone, export the radio-frequency transmissions circuit to synthetic baseband signal, and then convert radio frequency signal emission output to via radio-frequency antenna.
4. the mobile phone of automatically regulating In Call according to ambient noise according to claim 3, it is characterized in that: described radio-frequency antenna converts the radio frequency signal that receives to baseband signal, transfer to the baseband chip processing of decoding by radio-frequency (RF) receiving circuit, after translating audio signal and transfer to described audio frequency amplifier and carry out power amplification and process via audio frequency output channel with solution, export earpiece to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220572924.5U CN202889458U (en) | 2012-11-02 | 2012-11-02 | Automatic call volume regulation mobile phone based on environmental noise |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201220572924.5U CN202889458U (en) | 2012-11-02 | 2012-11-02 | Automatic call volume regulation mobile phone based on environmental noise |
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| CN202889458U true CN202889458U (en) | 2013-04-17 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096440A1 (en) * | 2013-12-24 | 2015-07-02 | 中兴通讯股份有限公司 | Microphone apparatus and earphone |
| WO2015149359A1 (en) * | 2014-04-04 | 2015-10-08 | 华为终端有限公司 | Method for automatically adjusting volume, volume adjustment apparatus and electronic device |
| CN105208221A (en) * | 2015-10-30 | 2015-12-30 | 维沃移动通信有限公司 | Method and device for automatically adjusting communication voice |
| WO2016015186A1 (en) * | 2014-07-28 | 2016-02-04 | 华为技术有限公司 | Acoustical signal processing method and device of communication device |
| CN105657126A (en) * | 2015-12-31 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Volume control method and volume control device for terminal and terminal |
| CN107342093A (en) * | 2017-06-07 | 2017-11-10 | 惠州Tcl移动通信有限公司 | A kind of noise reduction process method and system of audio signal |
| WO2018000231A1 (en) * | 2016-06-29 | 2018-01-04 | 宋英楠 | Method and device for controlling incoming call answering of mobile phone |
| CN109286772A (en) * | 2018-09-04 | 2019-01-29 | Oppo广东移动通信有限公司 | Audio method of adjustment, device, electronic equipment and storage medium |
| CN111510559A (en) * | 2020-04-30 | 2020-08-07 | 宋彦震 | Method for adaptively adjusting sound magnitude of caller according to environment noise amplitude and caller sound frequency |
| CN111863004A (en) * | 2020-07-29 | 2020-10-30 | 芯讯通无线科技（上海）有限公司 | Sound signal processing method, system, electronic device and storage medium |
| CN112581968A (en) * | 2019-09-30 | 2021-03-30 | 青岛海尔电冰箱有限公司 | Intelligent adjusting method and device of prompt tone and refrigerator |
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2012
- 2012-11-02 CN CN201220572924.5U patent/CN202889458U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015096440A1 (en) * | 2013-12-24 | 2015-07-02 | 中兴通讯股份有限公司 | Microphone apparatus and earphone |
| WO2015149359A1 (en) * | 2014-04-04 | 2015-10-08 | 华为终端有限公司 | Method for automatically adjusting volume, volume adjustment apparatus and electronic device |
| WO2016015186A1 (en) * | 2014-07-28 | 2016-02-04 | 华为技术有限公司 | Acoustical signal processing method and device of communication device |
| US10204639B2 (en) | 2014-07-28 | 2019-02-12 | Huawei Technologies Co., Ltd. | Method and device for processing sound signal for communications device |
| CN105208221B (en) * | 2015-10-30 | 2019-01-11 | 维沃移动通信有限公司 | A kind of method and device automatically adjusting call voice |
| CN105208221A (en) * | 2015-10-30 | 2015-12-30 | 维沃移动通信有限公司 | Method and device for automatically adjusting communication voice |
| CN105657126A (en) * | 2015-12-31 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Volume control method and volume control device for terminal and terminal |
| CN105657126B (en) * | 2015-12-31 | 2018-12-25 | 宇龙计算机通信科技(深圳)有限公司 | Method for controlling volume, sound volume control device and terminal for terminal |
| WO2018000231A1 (en) * | 2016-06-29 | 2018-01-04 | 宋英楠 | Method and device for controlling incoming call answering of mobile phone |
| CN107342093A (en) * | 2017-06-07 | 2017-11-10 | 惠州Tcl移动通信有限公司 | A kind of noise reduction process method and system of audio signal |
| CN109286772A (en) * | 2018-09-04 | 2019-01-29 | Oppo广东移动通信有限公司 | Audio method of adjustment, device, electronic equipment and storage medium |
| CN109286772B (en) * | 2018-09-04 | 2021-03-12 | Oppo广东移动通信有限公司 | Sound effect adjusting method and device, electronic equipment and storage medium |
| CN112581968A (en) * | 2019-09-30 | 2021-03-30 | 青岛海尔电冰箱有限公司 | Intelligent adjusting method and device of prompt tone and refrigerator |
| CN111510559A (en) * | 2020-04-30 | 2020-08-07 | 宋彦震 | Method for adaptively adjusting sound magnitude of caller according to environment noise amplitude and caller sound frequency |
| CN111510559B (en) * | 2020-04-30 | 2021-07-13 | 宋彦震 | Method for adaptively adjusting sound magnitude of caller according to environment noise amplitude and caller sound frequency |
| CN111863004A (en) * | 2020-07-29 | 2020-10-30 | 芯讯通无线科技（上海）有限公司 | Sound signal processing method, system, electronic device and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20161102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |