CN201307873Y - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN201307873Y CN201307873Y CNU2008202133629U CN200820213362U CN201307873Y CN 201307873 Y CN201307873 Y CN 201307873Y CN U2008202133629 U CNU2008202133629 U CN U2008202133629U CN 200820213362 U CN200820213362 U CN 200820213362U CN 201307873 Y CN201307873 Y CN 201307873Y
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- power amplifier
- audio signal
- detection module
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- signal detection
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- 230000005236 sound signal Effects 0.000 claims abstract description 93
- 238000001514 detection method Methods 0.000 claims description 50
- 230000001629 suppression Effects 0.000 claims description 16
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000006854 communication Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model provides a mobile terminal, comprising an audio amplifier, and further comprising a voice frequency signal detecting module which is used for detecting an audio signal inputted to the audio amplifier; when the intensity of the audio signal exceeds to the preset threshold value, the audio amplifier is controlled to be opened, otherwise, the audio amplifier is controlled to be closed. The mobile terminal detects the strong and weak of the audio signal by arranging the voice frequency signal detecting module, when the audio signal exceeds to a certain threshold value, the mobile terminal is considered as phone status and controls the audio amplifier to work, otherwise, the mobile terminal is considered as waiting status and closes the audio amplifier, thereby reducing the power consumption of the mobile terminal.
Description
Technical field
The utility model relates to a kind of portable terminal, relates in particular to a kind of portable terminal of low-power consumption.
Background technology
In the portable terminal, except radio-frequency power consumption was big, it was big to count the audio frequency power amplifier power consumption, and especially the loudspeaker power amplifier generally all has 500mW.The structure of general portable terminal comprises that microphone, ambient noise suppress module, microphone power amplifier, analog-to-digital conversion module, speech coding module, tone decoding module, D/A converter module, noise suppression module, receiver power amplifier, receiver, loudspeaker, loudspeaker power amplifier as shown in Figure 1 and Figure 2.It all is full duplex communication in communication process, and microphone power amplifier, receiver or loudspeaker power amplifier all often leave in whole communication process.Generally in communication process, we speak seldom simultaneously, in most cases can wait the other side to finish words and continue later again.Therefore, microphone power amplifier, receiver power amplifier or loudspeaker power amplifier all keep normally open in whole communication process, increased power consumption of mobile terminals, have wasted a large amount of energy.
The utility model content
The technical problems to be solved in the utility model remedies above-mentioned the deficiencies in the prior art exactly, and a kind of portable terminal of low-power consumption is provided.
Technical problem of the present utility model is solved by the following technical programs:
A kind of portable terminal, comprise audio frequency power amplifier, also comprise the audio signal detection module, described audio signal detection module is input to the audio signal of described audio frequency power amplifier in order to detection, when the intensity of this audio signal surpasses predetermined threshold value, control described audio frequency power amplifier and open, close otherwise control described audio frequency power amplifier.
Technical problem of the present utility model is further solved by the following technical programs:
Described analog voice processing module also comprises noise suppression module, and audio signal sends to described audio signal detection module and described audio frequency power amplifier after described noise suppression module is handled.
Described audio frequency power amplifier comprises and will send to the receiver power amplifier of receiver after amplifying from mobile network's audio signal, described audio signal detection module comprises the first audio signal detection module that is connected with described receiver power amplifier, when the described first audio signal detection module detects audio signal above predetermined threshold value, control described receiver power amplifier and open, close otherwise control described receiver power amplifier.
Described audio frequency power amplifier also comprises and will send to the loudspeaker power amplifier of loudspeaker from mobile network's audio signal amplification, when the described first audio signal detection module detects audio signal above predetermined threshold value, control described loudspeaker power amplifier and open, close otherwise control described loudspeaker power amplifier.
The described first audio signal detection module comprises first comparator, the default threshold voltage of its positive input input, and its negative input input is from mobile network's audio signal, and its output is controlled the opening and closing of receiver power amplifier and loudspeaker power amplifier.
The described first audio signal detection module comprises first trigger, the default threshold voltage of its first input end input, and its second input input is from mobile network's audio signal, and its output is controlled the opening and closing of receiver power amplifier and loudspeaker power amplifier.
Described audio frequency power amplifier comprises the microphone power amplifier of the audio signal amplification that microphone is sent, described audio detection module comprises the second audio signal detection module that is connected with the microphone power amplifier, when the described second audio signal detection module detects audio signal above predetermined threshold value, control described microphone power amplifier and open, close otherwise control described microphone power amplifier.
The described second audio signal detection module comprises second comparator, the default threshold voltage of its positive input input, the audio signal that its negative input input microphone sends, the opening and closing of its output control microphone power amplifier.
The described second audio signal detection module comprises second trigger, the default threshold voltage of its first input end input, the audio signal that its second input input microphone sends, the opening and closing of its output control microphone power amplifier.
The utility model technique effect compared with prior art is:
Portable terminal of the present utility model is by being provided with the power that the audio signal detection module detects audio signal, and audio signal surpasses certain threshold value, thinks to be in talking state, the work of control audio power amplifier, otherwise think to be in wait state, close audio frequency power amplifier, thereby reduced mobile terminal power consumption.
Description of drawings
Fig. 1 has audio frequency of mobile terminal transmitting terminal structural representation now;
Fig. 2 has audio frequency of mobile terminal receiving terminal structural representation now;
Fig. 3 the utility model embodiment structural representation;
Fig. 4 the utility model embodiment audio frequency of mobile terminal receiving terminal structural representation.
Fig. 5 the utility model embodiment audio signal detection module structural representation.
Embodiment
Also in conjunction with the accompanying drawings the utility model is described in further details below by concrete execution mode.
As shown in Figure 3, Figure 4, the portable terminal of the utility model embodiment comprises audio frequency power amplifier, audio signal detection module, noise suppression module, microphone 11, receiver 22, loudspeaker 26, analog-to-digital conversion module (figure does not show), speech coding module (figure does not show), sending module (figure does not show), receiver module (figure does not show), tone decoding module (figure does not show), D/A converter module (figure does not show) etc.Audio frequency power amplifier comprises microphone power amplifier 12, receiver power amplifier 22 and loudspeaker power amplifier 26.The audio signal detection module comprises the first audio signal detection module 23 and the second audio signal detection module 13.Noise suppression module comprises first noise suppression module 24 and second noise suppression module 14.
As shown in Figure 5, the first audio signal detection module 23 comprises first comparator, and the second audio signal detection module 13 comprises second comparator, and in this embodiment, first comparator and second comparator all adopt comparator 30.The positive input input setting voltage threshold values of comparator 30, its negative input input audio signal.Can determine threshold voltage by the test empirical value, this is worth much smaller than the normal voice signal.When not having the normal voice signal, promptly the audio signal voltage value is less than setting threshold values, and comparator 30 does not trigger, the output high level, and this level control audio power amplifier enables pin, closes audio frequency power amplifier.When the normal voice signal, the audio signal voltage value can be much larger than setting threshold values, and comparator 30 triggers upset, output low level, and this level control audio power amplifier enables pin, opens audio frequency power amplifier.In another kind of execution mode of the present utility model, the first audio signal detection module 23 comprises first trigger, the second audio signal detection module 13 comprises second trigger, the default threshold voltage of its first input end input, the audio signal that its second input input microphone sends, the opening and closing of its output control audio power amplifier.
The audio signal of microphone 11 outputs carries out sending to after noise suppressed is handled the negative input of the microphone power amplifier 12 and the second audio signal detection module 13 through second noise suppression module 14, the open and close of the output control microphone power amplifier 12 of the second audio signal detection module 13, when detecting, the second audio signal detection module 13 determines it is the audio signal that surpasses predetermined threshold value, then send control signal to microphone power amplifier 12, open microphone power amplifier 12, microphone power amplifier 12 is started working.Determine it is the audio signal that does not surpass predetermined threshold value if the second audio signal detection module 13 detects, then send control signal, make microphone power amplifier 12 remain on closed condition to microphone power amplifier 12.Microphone power amplifier 12 amplifying signals send to the speech coding module after analog-to-digital conversion module carries out analog-to-digital conversion, encoded back sends to the mobile network by sending module.
After the audio signal of receiver module reception from the mobile network, send to D/A converter module after decoding by the tone decoding module, undertaken sending to first noise suppression module 24 after the digital-to-analogue conversion by D/A converter module, after first noise suppression module 24 is carried out the noise suppressed processing, send to the first audio signal detection module 23 and receiver power amplifier 22 or loudspeaker power amplifier 26 again.The switching of receiver power amplifier 22 and loudspeaker power amplifier 26 is controlled by a switching circuit.When the user selects for use, the commutation circuit control loudspeaker power amplifier 26 and first noise suppression module 24 are communicated with, connection between the receiver power amplifier 26 and first noise suppression module 24 is cut off, otherwise, then be communicated with by the receiver power amplifier 22 and first noise suppression module 24, the connection between the loudspeaker power amplifier 26 and first noise suppression module 24 is cut off.After detecting, the first audio signal detection module 23 determines it is that then receiver power amplifier 22 or loudspeaker power amplifier 26 are opened, and audio signal is sent to receiver 21 or loudspeaker 25 when surpassing the audio signal of predetermined threshold value.Determine it is the audio signal that does not surpass predetermined threshold value after the second audio signal detection module 23 detects, then receiver power amplifier 22 or loudspeaker power amplifier 26 are closed.
The portable terminal of the utility model embodiment has increased by the first audio signal detection module of control receiver power amplifier and loudspeaker power amplifier, when the first audio signal detection module detects audio signal above predetermined threshold value, receiver power amplifier or loudspeaker power amplifier are opened, otherwise receiver power amplifier or loudspeaker power amplifier are closed, and have reduced mobile terminal power consumption; Portable terminal of the present utility model has also increased by the second audio signal detection module of control microphone power amplifier, when second audio signal detects audio signal above predetermined threshold value, the microphone power amplifier is opened, otherwise the mute microphone (MIC) power amplifier has further reduced mobile terminal power consumption.Audio frequency power amplifier operate as normal, but do not have audio signal when input, its power consumption is the mA level, use portable terminal of the present utility model after, its power consumption is μ A level, has obviously reduced power consumption.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (9)
1. portable terminal, comprise audio frequency power amplifier, it is characterized in that: also comprise the audio signal detection module, described audio signal detection module is input to the audio signal of described audio frequency power amplifier in order to detection, when the intensity of this audio signal surpasses predetermined threshold value, control described audio frequency power amplifier and open, close otherwise control described audio frequency power amplifier.
2. portable terminal according to claim 1 is characterized in that: described analog voice processing module also comprises noise suppression module, and audio signal sends to described audio signal detection module and described audio frequency power amplifier after described noise suppression module is handled.
3. portable terminal according to claim 2, it is characterized in that: described audio frequency power amplifier comprises and will send to the receiver power amplifier of receiver after amplifying from mobile network's audio signal, described audio signal detection module comprises the first audio signal detection module that is connected with described receiver power amplifier, when the described first audio signal detection module detects audio signal above predetermined threshold value, control described receiver power amplifier and open, close otherwise control described receiver power amplifier.
4. portable terminal according to claim 3, it is characterized in that: described audio frequency power amplifier also comprises and will send to the loudspeaker power amplifier of loudspeaker from mobile network's audio signal amplification, when the described first audio signal detection module detects audio signal above predetermined threshold value, control described loudspeaker power amplifier and open, close otherwise control described loudspeaker power amplifier.
5. portable terminal according to claim 4, it is characterized in that: the described first audio signal detection module comprises first comparator, the default threshold voltage of its positive input input, its negative input input is from mobile network's audio signal, and its output is controlled the opening and closing of receiver power amplifier and loudspeaker power amplifier.
6. portable terminal according to claim 4, it is characterized in that: the described first audio signal detection module comprises first trigger, the default threshold voltage of its first input end input, its second input input is from mobile network's audio signal, and its output is controlled the opening and closing of receiver power amplifier and loudspeaker power amplifier.
7. portable terminal according to claim 2, it is characterized in that: described audio frequency power amplifier comprises the microphone power amplifier of the audio signal amplification that microphone is sent, described audio detection module comprises the second audio signal detection module that is connected with the microphone power amplifier, when the described second audio signal detection module detects audio signal above predetermined threshold value, control described microphone power amplifier and open, close otherwise control described microphone power amplifier.
8. portable terminal according to claim 7, it is characterized in that: the described second audio signal detection module comprises second comparator, the default threshold voltage of its positive input input, the audio signal that its negative input input microphone sends, the opening and closing of its output control microphone power amplifier.
9. portable terminal according to claim 7, it is characterized in that: the described second audio signal detection module comprises second trigger, the default threshold voltage of its first input end input, the audio signal that its second input input microphone sends, the opening and closing of its output control microphone power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202133629U CN201307873Y (en) | 2008-11-12 | 2008-11-12 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202133629U CN201307873Y (en) | 2008-11-12 | 2008-11-12 | Mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201307873Y true CN201307873Y (en) | 2009-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008202133629U Expired - Lifetime CN201307873Y (en) | 2008-11-12 | 2008-11-12 | Mobile terminal |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101834923A (en) * | 2010-03-26 | 2010-09-15 | 东莞宇龙通信科技有限公司 | Method for controlling sound playback of mobile terminal and mobile terminal |
| CN101895870A (en) * | 2010-03-23 | 2010-11-24 | 中兴通讯股份有限公司 | Silence recognition device for mobile phone, mobile phone de-noising method and system thereof in silence mode |
| CN101945146A (en) * | 2010-09-19 | 2011-01-12 | 华为终端有限公司 | Terminal and audio signal output method |
| CN102572147A (en) * | 2011-12-27 | 2012-07-11 | 福建星网视易信息系统有限公司 | Echo eliminating method and echo eliminating equipment |
| CN102843112A (en) * | 2012-09-13 | 2012-12-26 | 惠州Tcl移动通信有限公司 | Mobile communication terminal |
| CN105120198A (en) * | 2015-08-26 | 2015-12-02 | 无锡华海天和信息科技有限公司 | Video calling system and realization method thereof capable of eliminating calling echoes |
| CN105704609A (en) * | 2016-01-25 | 2016-06-22 | 广州视源电子科技股份有限公司 | Sound equipment mode adjusting method and device |
| CN106055303A (en) * | 2016-05-31 | 2016-10-26 | 惠州华阳通用电子有限公司 | Control method and device of power amplifier mode of car-mounted terminal |
| WO2018059184A1 (en) * | 2016-09-30 | 2018-04-05 | 中兴通讯股份有限公司 | Call method, apparatus and terminal |
| CN107896356A (en) * | 2017-10-27 | 2018-04-10 | 广州小鹏汽车科技有限公司 | A kind of audio control method and system of FM control systems |
| CN108848436A (en) * | 2018-09-18 | 2018-11-20 | 广州音雅达科技有限公司 | Individual's Karaoke application method and system |
| CN111629304A (en) * | 2020-05-15 | 2020-09-04 | 维沃移动通信有限公司 | Speaker control method, device and electronic device |
| WO2023097951A1 (en) * | 2021-11-30 | 2023-06-08 | 歌尔股份有限公司 | Intelligent security and protection control method, intelligent security and protection device, and controller |
-
2008
- 2008-11-12 CN CNU2008202133629U patent/CN201307873Y/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895870A (en) * | 2010-03-23 | 2010-11-24 | 中兴通讯股份有限公司 | Silence recognition device for mobile phone, mobile phone de-noising method and system thereof in silence mode |
| CN101834923A (en) * | 2010-03-26 | 2010-09-15 | 东莞宇龙通信科技有限公司 | Method for controlling sound playback of mobile terminal and mobile terminal |
| CN101945146A (en) * | 2010-09-19 | 2011-01-12 | 华为终端有限公司 | Terminal and audio signal output method |
| WO2012034538A1 (en) * | 2010-09-19 | 2012-03-22 | 华为终端有限公司 | Terminal and method for outputting audio signals |
| CN101945146B (en) * | 2010-09-19 | 2014-12-03 | 华为终端有限公司 | Terminal and audio signal output method |
| CN102572147A (en) * | 2011-12-27 | 2012-07-11 | 福建星网视易信息系统有限公司 | Echo eliminating method and echo eliminating equipment |
| CN102572147B (en) * | 2011-12-27 | 2014-09-03 | 福建星网视易信息系统有限公司 | Echo eliminating method and echo eliminating equipment |
| CN102843112A (en) * | 2012-09-13 | 2012-12-26 | 惠州Tcl移动通信有限公司 | Mobile communication terminal |
| CN102843112B (en) * | 2012-09-13 | 2016-05-18 | 惠州Tcl移动通信有限公司 | A kind of mobile communication terminal |
| CN105120198A (en) * | 2015-08-26 | 2015-12-02 | 无锡华海天和信息科技有限公司 | Video calling system and realization method thereof capable of eliminating calling echoes |
| CN105704609A (en) * | 2016-01-25 | 2016-06-22 | 广州视源电子科技股份有限公司 | Sound equipment mode adjusting method and device |
| CN105704609B (en) * | 2016-01-25 | 2020-07-28 | 广州视源电子科技股份有限公司 | Sound equipment mode adjusting method and device |
| CN106055303A (en) * | 2016-05-31 | 2016-10-26 | 惠州华阳通用电子有限公司 | Control method and device of power amplifier mode of car-mounted terminal |
| CN106055303B (en) * | 2016-05-31 | 2023-03-03 | 惠州华阳通用电子有限公司 | Control method and device for power amplification mode of vehicle-mounted terminal |
| WO2018059184A1 (en) * | 2016-09-30 | 2018-04-05 | 中兴通讯股份有限公司 | Call method, apparatus and terminal |
| CN107889198A (en) * | 2016-09-30 | 2018-04-06 | 中兴通讯股份有限公司 | A kind of call method, device and terminal |
| CN107896356A (en) * | 2017-10-27 | 2018-04-10 | 广州小鹏汽车科技有限公司 | A kind of audio control method and system of FM control systems |
| CN107896356B (en) * | 2017-10-27 | 2020-03-03 | 广州小鹏汽车科技有限公司 | Audio control method and system of FM control system |
| CN108848436A (en) * | 2018-09-18 | 2018-11-20 | 广州音雅达科技有限公司 | Individual's Karaoke application method and system |
| CN111629304A (en) * | 2020-05-15 | 2020-09-04 | 维沃移动通信有限公司 | Speaker control method, device and electronic device |
| WO2023097951A1 (en) * | 2021-11-30 | 2023-06-08 | 歌尔股份有限公司 | Intelligent security and protection control method, intelligent security and protection device, and controller |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090909 |