CN1681278A - Mobile earphone with deaf-aid volume adjusting function and method thereof - Google Patents
Mobile earphone with deaf-aid volume adjusting function and method thereof Download PDFInfo
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- CN1681278A CN1681278A CN 200410033409 CN200410033409A CN1681278A CN 1681278 A CN1681278 A CN 1681278A CN 200410033409 CN200410033409 CN 200410033409 CN 200410033409 A CN200410033409 A CN 200410033409A CN 1681278 A CN1681278 A CN 1681278A
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Abstract
The invention consists of microphone, power detector, sound signal amplifier, mobile communication processor, loudspeaker and memory. The power detector detects the power size of sound generator, and generates sound volume index value to show the sound volume of sound generator. The sound signal amplifier amplifies the sound signal with different amplifying ratio, and then outputs the signal. The mobile communication processor amplifies the sound signal with preset amplifying ratio, and then converts it into radio frequency signal that is transmitted to mobile communication device. The loudspeaker converts the sound signal into sound wave. A reference sound value is saved in memory. When sound volume index value is more than the reference value, the amplifier amplifies the sound signal with first amplifying ratio. When the sound volume index value is less than the reference value, the amplifier amplifies the signal with second amplifying ratio.
Description
Technical field
The present invention relates to a kind of mobile communication earphone, particularly relate to a kind of mobile communication earphone that volume is adjusted function of hearing aid that has.
Background technology
Device for mobile communication is very popular in recent years electronic product.In the use of device for mobile communication, the user often can't use device for mobile communication in hand-held mode constantly at steering vehicle or other, and the mobile communication earphone of the device for mobile communication of therefore arranging in pairs or groups also often is used.
Hearing aids is common sense of hearing auxiliary appliance.Some sense of hearing gastrointestinal disease patient can be by hearing aids auxiliary, overcome many inconvenience in life.Yet existing mobile communication earphone does not have hearing-aid function, and sense of hearing gastrointestinal disease patient uses mobile communication earphone and two kinds of equipment of hearing aids simultaneously as desiring, and not only causes the inconvenience in the use, and cost is also higher.
Summary of the invention
A purpose of the present invention is to provide a kind of mobile communication earphone and a kind of sound processing method, in order to handle the volume of first speaker, to be sent to device for mobile communication.
Another object of the present invention is to provide a kind of mobile communication earphone and sound processing method thereof that volume is adjusted function that have, being sent to device for mobile communication, and can assist the volume of first speaker control itself.
Another object of the present invention is to provide a kind of mobile communication earphone and sound processing method thereof, think that to provide to listen gastrointestinal disease patient uses with function of hearing aid.
Another object of the present invention is to provide a kind of mobile communication earphone and sound processing method thereof that volume is adjusted function of hearing aid that have, providing the not good user of the sense of hearing to use, and can assist the volume of the not good user of sense of hearing control when carrying out mobile communication itself.
Mobile communication earphone of the present invention comprises a microphone, a power detector, a sound signal amplifier, a mobile communication processor, a sound device and an internal memory.Microphone is converted to a first speaker voice signal with the sound wave that first speaker sent.Power detector detects the watt level of first speaker voice signal, and produces a volume index value, indicates the volume of sound wave that first speaker sends.Sound signal amplifier is optionally amplified back output one voice emplifying signal with different enlargement ratios with the first speaker voice signal.Mobile communication processor is converted to a radiofrequency signal to be sent in the device for mobile communication after the first speaker voice signal is optionally amplified with a predetermined enlargement ratio.Loudspeaker is that corresponding sound wave is to first speaker with the voice emplifying conversion of signals.Stored has a volume reference value.When volume index value during greater than volume reference value, sound signal amplifier can be amplified the first speaker voice signal with the first bigger enlargement ratio of a multiplying power; When volume index value during less than volume reference value, sound signal amplifier can be amplified the first speaker voice signal with the second less enlargement ratio of a multiplying power.
The size that the power detector of mobile communication earphone of the present invention can detect the first speaker voice signal is made comparisons with volume reference value being used for, and sound signal amplifier can select suitable enlargement ratio with the voice emplifying signal.Therefore but the present invention's processing audio signal to be being sent to device for mobile communication, and the volume of can and assist first speaker control itself to speak.And mobile communication earphone of the present invention can provide the function of hearing aids by its loudspeaker.Also therefore mobile communication earphone of the present invention is quite convenient concerning the not good user of the sense of hearing.
Can be about the advantages and spirit of the present invention by being further understood below in conjunction with the detailed description of accompanying drawing to invention.
Description of drawings
Fig. 1 is the functional block diagram of mobile communication earphone of the present invention.
Fig. 2 is the schematic diagram of Fig. 1 volume index value and volume reference value.
Fig. 3 is the flow chart of sound processing method of the present invention.
Fig. 4 is the flow chart of another embodiment of sound processing method of the present invention.
The reference numeral explanation
10: mobile communication earphone 11: sound wave
12: microphone 13: the first speaker voice signal
14: power detector 15: volume index value
18: mobile communication processor 19: radiofrequency signal
21: controller 22: internal memory
23: volume reference value 24: filter
26: sound signal amplifier 27a: the voice emplifying signal
27b: voice emplifying signal 28: loudspeaker
30: device for mobile communication
Embodiment
See also Fig. 1, Fig. 1 is the functional block diagram of mobile communication earphone of the present invention (mobile communicationearphone) 10.Mobile communication earphone 10 comprises a microphone (microphone) 12, one power detector (power detector) 14, one mobile communication processor (mobile communication processor) 18, one controller (controller) 21, one internal memory (memory) 22, one filter (filter), 24, one sound signal amplifier 26, and a loudspeaker (speaker) 28.A mobile communication earphone 10 and a device for mobile communication (mobile station) 30 shared.
Microphone 12 is in order to induction and receive the sound wave (audiowaveform) 11 that a first speaker is sent, and sound wave 11 is converted to a first speaker voice signal (audio signal) 13, to be sent to power detector 14 and filter 24.Power detector 14 is to detect the watt level of first speaker voice signal 13 in order to decibel (dB) for unit, and produces a volume index value (volumeindicating value) 15, indicates the volume of sound wave that first speaker sends.Volume index value (volume indicating value) 15 is produced by the rolling average of calculating first speaker voice signal 13.Store a volume reference value (volume threshold value) 23 in the internal memory 22.Controller 21 is in order to compare the size of volume index value 15 and volume reference value 23.Filter 24 is the first speaker voice signal 13 that inputs to sound signal amplifier 26 in order to filtration.Loudspeaker (speaker) 28 is converted to corresponding sound wave to be sent to first speaker after first speaker voice signal 13 is amplified with a predetermined amplification frequency.
In one embodiment, mobile communication processor 18 is a bluetooth transmission/receiver (Bluetoothtransmitter/receiver), and device for mobile communication 30 comprises a corresponding bluetooth transmission/receiver (not shown).Receive by the bluetooth transmission/receiver of device for mobile communication 30 from radiofrequency signal (the RF signal) 19 of mobile communication processor 18, be able to use device for mobile communication by mobile communication earphone 10 of the present invention to make first speaker.
In one embodiment, the amplifying unit 26a of sound signal amplifier 26 has two kinds of enlargement ratios, and the first enlargement ratio a1 is greater than the second enlargement ratio a2; Amplifying unit 26b also has two kinds of enlargement ratios, and the first enlargement ratio b1 is greater than the second enlargement ratio b2.When volume index value 15 was higher than volume reference value 23, amplifying unit 26a adjusted the first speaker voice signal with the first enlargement ratio a1.When volume index value 15 during less than volume reference value 23, sound signal amplifier 16 will be adjusted the first speaker voice signal with the second enlargement ratio a2.When volume index value 15 was higher than volume reference value 23, amplifying unit 26b adjusted the first speaker voice signal with second enlargement ratio.When volume index value 15 during less than volume reference value 23, sound signal amplifier 26 will be adjusted the first speaker voice signal with first enlargement ratio.
See also Fig. 2, Fig. 2 is the schematic diagram of Fig. 1 volume index value and volume reference value 23.Among Fig. 2, dotted line is in order to the decibel size of expression volume reference value 23, and two curves are volume index value 15a and the 15b in order to represent two first speaker voice signals 13 respectively, and the first speaker of the volume index value 15b sound of speaking is loud than the first speaker of volume index value 15a.In one embodiment, volume reference value 23 is meant the average volume size of general first speaker.Give orders or instructions volume when low when the volume of first speaker than common people, and volume index value 15a is less than volume reference value 23.Relative, when first speaker when not good or other reason causes improving the volume of speaking because of the sense of hearing, volume index value 15b be a height than volume reference value 23.Controller 21 according to volume index value 15 be stored in volume reference value 23 in the internal memory 22 judging the size of first speaker volume, and the enlargement ratio of decision first speaker voice signal 13.
Give orders or instructions volume when low when the volume of first speaker than common people, and amplifying unit 26a adjusts the first speaker voice signal and exports loudspeaker 28 to be sent to the first speaker ear with the second less relatively enlargement ratio a2; And amplifying unit 26b adjusts the first speaker voice signal to export mobile communication processor 18 to be sent to device for mobile communication 30 with the first relatively large enlargement ratio b1.And give orders or instructions volume when high than common people when the volume of first speaker, sound signal amplifier 26 is adjusted the first speaker voice signal and is exported loudspeaker 28 to be sent to the first speaker ear with the first relatively large enlargement ratio a1; And amplifying unit 26b adjusts the first speaker voice signal to export mobile communication processor 18 to be sent to device for mobile communication 30 with the second less relatively enlargement ratio b1.When first speaker was given orders or instructions with big volume, mobile communication earphone 10 can amplify the first speaker voice and be sent to device for mobile communication 30 places with less relatively multiplying power, so the other end user of 30 communications of device for mobile communication just can not feel too ear-piercing.On the other hand, when first speaker was given orders or instructions with big volume, mobile communication earphone 10 amplifies user's voice with relatively large multiplying power to be passed back in the first speaker ear, reminds first speaker need reduce the volume of speaking.
The hearing aids that mobile communication earphone 10 of the present invention can further use as sense of hearing gastrointestinal disease patient.Below utilize Fig. 1 that the hearing aid mechanism of mobile communication earphone 10 of the present invention is described.By the microphone 12 of mobile communication earphone 10 sound wave of sense of hearing gastrointestinal disease patient user environment of living in is converted to voice signal, and is sent to loudspeaker 28.Loudspeaker 28 is converted to corresponding sound wave to sense of hearing gastrointestinal disease patient user after voice signal is amplified with a predetermined enlargement ratio.In one embodiment, sense of hearing gastrointestinal disease patient user can specify predetermined enlargement ratio according to earless order of severity itself.
Foregoing function of hearing aid can coexist with the mobile communication ear-phone function.In one embodiment, the user of mobile communication earphone 10 is a sense of hearing gastrointestinal disease patient, and device for mobile communication 30 is a mobile phone.The not good user of the sense of hearing is a first speaker, wear mobile communication earphone 10, and by the bluetooth transmission/receiver of mobile communication earphone 10 sound of first speaker is sent to device for mobile communication 30 after via aforementioned processing, and the sound that receives device for mobile communication 30 passbacks is to the user.Whether mobile communication earphone 10, switches between above-mentioned two functions just in communication according to device for mobile communication 30.When device for mobile communication 30 carried out communication, mobile communication earphone 10 provided the function of the earphone of mobile phone.At this moment, if volume index value 15 is during greater than volume reference value 23, amplifying unit 26b can amplify the first speaker voice signal with the second enlargement ratio b2; And if volume index value 15 during less than volume reference value 23, amplifying unit 26b can amplify the first speaker voice signal with the first enlargement ratio b1.And when device for mobile communication 30 did not carry out communication, mobile communication earphone 10 utilized foregoing hearing aid mechanism, was realized the function of hearing aid by the sound wave of loudspeaker 28 amplification users environment of living in.
In another embodiment of the present invention, the function that mobile communication earphone 10 possesses function of hearing aid, mobile communication ear-phone function simultaneously and assists the volume of the not good user's control of the sense of hearing own.Generally speaking, sense of hearing gastrointestinal disease patient often can't correctly be judged the volume of oneself speaking because the sense of hearing is relatively poor, so sense of hearing gastrointestinal disease patient often is inclined to and improves volume when speaking.In the present embodiment, hardware configuration is identical with the mobile communication earphone 10 of Fig. 1.When device for mobile communication 30 carried out communication, mobile communication earphone 10 provided the function of the earphone of mobile phone, and the function of assisting the volume of the not good user's control of the sense of hearing own is provided simultaneously.That is after mobile communication headset detection user's the volume, handle the first speaker sound signal being sent to device for mobile communication 30 by amplifying unit 26b, and handle the first speaker sound signal to transmit loudspeaker 28 by amplifying unit 26a.And when device for mobile communication 30 did not carry out communication, mobile communication earphone 10 utilized foregoing hearing aid mechanism to amplify the sound wave of user's environment of living in and realizes the function of hearing aid.
See also Fig. 3, Fig. 3 is the flow chart of sound processing method of the present invention.The present invention also provides a kind of sound processing method, in order to the sound of handling a first speaker to be sent to a device for mobile communication.As shown in Figure 3, in step 100, the sound wave that a first speaker is sent is converted to a first speaker voice signal, and in one embodiment, this step can be finished by microphone.The first speaker voice signal can be handled via different enlargement ratios, and becomes a voice emplifying signal.In one embodiment, two kinds of enlargement ratios are arranged, first enlargement ratio is greater than second enlargement ratio.In step 102, the watt level that detects the first speaker voice signal is to produce a volume index value.Volume index value is a moving average, indicate the first speaker average volume of the interior sound wave that sends of a period of time in the past, and volume index value is unit with the decibel.
Then carry out step 104, is unit with the decibels, relatively the size of a volume index value and a volume reference value.Volume reference value is the not power level of sound wave that good first speaker sends of a non-sense of hearing, and volume reference value is unit with the decibel.When volume index value during, then carry out step 105 less than volume reference value; When volume index value during, then carry out step 106 greater than volume reference value.In step 105, select first a relatively large amplification frequency to amplify the first speaker voice signal, to produce a voice emplifying signal, skip to step 108 then.In step 106, select second a less relatively amplification frequency to amplify the first speaker voice signal, to produce a voice emplifying signal, carry out step 108 then.At last, in step 108, be radiofrequency signal with the voice emplifying conversion of signals, to be sent in the device for mobile communication.
Sound processing method shown in Figure 3 can be applicable in the mobile communication earphone of device for mobile communication, in order to the volume of detection user voice, and adjusts the voice signal that exports device for mobile communication to when user's volume is too high.
See also Fig. 4, Fig. 4 is the flow chart of another embodiment of sound processing method of the present invention.The step 200 of Fig. 4 embodiment to 202 to the step 100 of Fig. 3 embodiment to 102 similar, therefore repeat no more.In step 204, be the size that unit compares volume index value and volume reference value with the decibels.When volume index value during, then carry out step 205 less than volume reference value; When volume index value during, then carry out step 206 greater than volume reference value.In step 205, select second amplification frequency to amplify the first speaker voice signal, to produce a voice emplifying signal, skip to step 208 then.In step 206, select first amplification frequency to amplify the first speaker voice signal, to produce a voice emplifying signal, carry out step 208 then.At last, in step 208, be that corresponding sound wave is sent to this first speaker with the voice emplifying conversion of signals.
Sound processing method shown in Figure 4 can be applicable in the mobile communication earphone of device for mobile communication, in order to detect the volume of user's voice, and when user's volume is too high, adjust the voice signal that exports the user place to, with the volume of assisting user's control itself to speak.
The size that the power detector of mobile communication earphone of the present invention can detect the first speaker voice signal is made comparisons with volume reference value being used for, and sound signal amplifier can select suitable enlargement ratio with the voice emplifying signal.Therefore but the present invention's processing audio signal to be being sent to device for mobile communication, and the volume of can and assist first speaker control itself to speak.And mobile communication earphone of the present invention can provide the function of hearing aids by its loudspeaker.When the mobile communication earphone of tool volume adjustment function of hearing aid of the present invention provides sense of hearing gastrointestinal disease patient to use, sense of hearing gastrointestinal disease patient does not need to use simultaneously mobile communication earphone and two kinds of equipment of hearing aids, sense of hearing gastrointestinal disease patient also can control itself be spoken when mobile communication volume, so mobile communication earphone of the present invention is quite convenient concerning the not good user of the sense of hearing.
By the detailed description of above preferred embodiment, be to wish to know more to describe feature of the present invention and spirit, and be not to come category of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the category that is arranged in claim of the present invention of various changes and tool equality.
Claims (20)
1. mobile communication earphone comprises:
One microphone is used for the sound wave that a first speaker is sent is converted to a first speaker voice signal;
One power detector is used for detecting the watt level of this first speaker voice signal, and produces a volume index value, indicates the volume of sound wave that this first speaker sends;
One sound signal amplifier is used for this first speaker voice signal is optionally amplified back output one voice emplifying signal with one first enlargement ratio or one second enlargement ratio, and this first enlargement ratio is greater than this second enlargement ratio;
One mobile communication processor can be that a radiofrequency signal is to be sent in the device for mobile communication with this voice emplifying conversion of signals;
One loudspeaker after this first speaker voice signal amplified with a predetermined enlargement ratio, is converted to corresponding sound wave to this first speaker; And
One internal memory stores a volume reference value in this internal memory;
Wherein, when this volume index value during greater than this volume reference value, this sound signal amplifier is amplified this first speaker voice signal with this second enlargement ratio;
When this volume index value during less than this volume reference value, this sound signal amplifier is amplified this first speaker voice signal with this first enlargement ratio.
2. as claim the 1 described device for mobile communication, wherein this volume index value is the rolling average of the sound wave that this first speaker sent.
3. as claim the 1 described device for mobile communication, wherein this microphone further is converted to a hearing aids voice signal with the sound wave of this first speaker environment of living in, this loudspeaker is converted to corresponding sound wave to this first speaker after this hearing aids voice signal is amplified with this predetermined enlargement ratio.
4. as claim the 3 described device for mobile communication, wherein this mobile communication earphone according to this device for mobile communication whether just communication to switch this first speaker voice signal of output or/and this hearing aids voice signal to this first speaker.
5. as claim the 1 described device for mobile communication, wherein this volume index value is represented with decibel.
6. as claim the 1 described device for mobile communication, wherein this mobile communication processor is a bluetooth transmission/receiver, and this device for mobile communication also comprises a corresponding bluetooth transmission/receiver.
7. mobile communication earphone comprises:
One microphone is used for the sound wave that a first speaker is sent is converted to a first speaker voice signal;
One sound signal amplifier is used for this first speaker voice signal is optionally amplified back output one voice emplifying signal with one first enlargement ratio or one second enlargement ratio, and this first enlargement ratio is greater than this second enlargement ratio;
One power detector is used for detecting the watt level of this first speaker voice signal, and produces a volume index value, indicates the volume of sound wave that this first speaker sends;
One mobile communication processor after this first speaker voice signal amplified with a predetermined enlargement ratio, is converted to a radiofrequency signal to be sent in the device for mobile communication;
One loudspeaker is that corresponding sound wave is to this first speaker with this voice emplifying conversion of signals; And
One internal memory stores a volume reference value in this internal memory;
Wherein, when this volume index value during greater than this volume reference value, this sound signal amplifier is amplified this first speaker voice signal with this first enlargement ratio;
When this volume index value during less than this volume reference value, this sound signal amplifier is amplified this first speaker voice signal with this second enlargement ratio.
8. as claim the 7 described device for mobile communication, wherein this volume index value is the rolling average of the sound wave that this first speaker sent.
9. as claim the 7 described device for mobile communication, wherein this microphone further is converted to a hearing aids voice signal with the sound wave of this first speaker environment of living in, this loudspeaker is converted to corresponding sound wave to this first speaker after this hearing aids voice signal is amplified with this predetermined enlargement ratio.
10. as claim the 9 described device for mobile communication, wherein this mobile communication earphone according to this device for mobile communication whether just communication to switch this first speaker voice signal of output or/and this hearing aids voice signal to this first speaker.
11. as claim the 7 described device for mobile communication, wherein this volume index value is represented with decibel.
12. as claim the 7 described device for mobile communication, wherein this mobile communication processor is a bluetooth transmission/receiver, and this device for mobile communication also comprises a corresponding bluetooth transmission/receiver.
13. a sound processing method, this method comprises the following step:
(1) sound wave that a first speaker is sent is converted to a first speaker voice signal;
(2) detect the watt level of this first speaker voice signal to produce a volume index value;
(3) size of this volume index value and a volume reference value relatively;
(4) according to the result of step (3), optionally amplify this first speaker voice signal to produce a voice emplifying signal with one first enlargement ratio or one second enlargement ratio, this first enlargement ratio is greater than this second enlargement ratio; And
(5) be a radiofrequency signal with this voice emplifying conversion of signals, to be sent in the device for mobile communication;
When this volume index value during, amplify this first speaker voice signal with this first amplification frequency less than this volume reference value;
When this volume index value during, amplify this first speaker voice signal with this second amplification frequency greater than this volume reference value.
14. as claim the 13 described sound processing methods, wherein this volume reference value is the not power level of sound wave that good first speaker sends of a non-sense of hearing.
15. as claim the 13 described sound processing methods, wherein this volume index value is a moving average, indicates the average volume of this first speaker sound wave that sends in the past period.
16. as claim the 13 described sound processing methods, wherein this volume index value and this volume reference value are all represented with decibel.
17. a sound processing method, this method comprises the following step:
(1) sound wave that a first speaker is sent is converted to a first speaker voice signal;
(2) detect the watt level of this first speaker voice signal to produce a volume index value;
(3) size of this volume index value and a volume reference value relatively;
(4) according to the result of step (3), optionally amplify this first speaker voice signal to produce a voice emplifying signal with one first enlargement ratio or one second enlargement ratio, this first enlargement ratio is greater than this second enlargement ratio; And
(5) be that corresponding sound wave is sent to this first speaker with this voice emplifying conversion of signals;
When this volume index value during, amplify this first speaker voice signal with this first amplification frequency greater than this volume reference value;
When this volume index value during, amplify this first speaker voice signal with this second amplification frequency less than this volume reference value.
18. as claim the 17 described sound processing methods, wherein this volume reference value is the not power level of sound wave that good first speaker sends of a non-sense of hearing.
19. as claim the 17 described sound processing methods, wherein this volume index value is a moving average, indicates this first speaker average volume of the interior sound wave that sends of a period of time in the past.
20. as claim the 17 described sound processing methods, wherein this volume index value and this volume reference value are all represented with decibel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 200410033409 CN1681278A (en) | 2004-04-07 | 2004-04-07 | Mobile earphone with deaf-aid volume adjusting function and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410033409 CN1681278A (en) | 2004-04-07 | 2004-04-07 | Mobile earphone with deaf-aid volume adjusting function and method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1825860B (en) * | 2005-02-21 | 2010-12-15 | 泛泰·科力特株式会社 | Method of outputting audio signal for the hard-of-hearing and mobile communication terminal using the method |
| CN101977346A (en) * | 2010-10-11 | 2011-02-16 | 上海宝亚安全装备有限公司 | Communication amplification device |
| CN101507376B (en) * | 2006-09-29 | 2012-03-28 | 松下电工株式会社 | Audio output device |
| CN101552823B (en) * | 2008-04-03 | 2012-04-18 | 华硕电脑股份有限公司 | Volume management system and method |
| CN106210955A (en) * | 2010-12-01 | 2016-12-07 | 索纳麦克斯科技股份有限公司 | Advanced communication headset device and method |
| CN106453838A (en) * | 2016-09-12 | 2017-02-22 | 北京小米移动软件有限公司 | Method and apparatus for adjusting volume |
-
2004
- 2004-04-07 CN CN 200410033409 patent/CN1681278A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1825860B (en) * | 2005-02-21 | 2010-12-15 | 泛泰·科力特株式会社 | Method of outputting audio signal for the hard-of-hearing and mobile communication terminal using the method |
| CN101507376B (en) * | 2006-09-29 | 2012-03-28 | 松下电工株式会社 | Audio output device |
| CN101552823B (en) * | 2008-04-03 | 2012-04-18 | 华硕电脑股份有限公司 | Volume management system and method |
| CN101977346A (en) * | 2010-10-11 | 2011-02-16 | 上海宝亚安全装备有限公司 | Communication amplification device |
| CN101977346B (en) * | 2010-10-11 | 2013-01-02 | 上海宝亚安全装备有限公司 | Communication amplification device |
| CN106210955A (en) * | 2010-12-01 | 2016-12-07 | 索纳麦克斯科技股份有限公司 | Advanced communication headset device and method |
| CN106453838A (en) * | 2016-09-12 | 2017-02-22 | 北京小米移动软件有限公司 | Method and apparatus for adjusting volume |
| CN106453838B (en) * | 2016-09-12 | 2019-11-08 | 北京小米移动软件有限公司 | Volume adjusting method and device |
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