CN105827862A - Method and mobile terminal for automatically adjusting telephone receiver sound - Google Patents
Method and mobile terminal for automatically adjusting telephone receiver sound Download PDFInfo
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- CN105827862A CN105827862A CN201610315834.0A CN201610315834A CN105827862A CN 105827862 A CN105827862 A CN 105827862A CN 201610315834 A CN201610315834 A CN 201610315834A CN 105827862 A CN105827862 A CN 105827862A
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- 230000035945 sensitivity Effects 0.000 claims abstract description 24
- 230000005236 sound signal Effects 0.000 abstract 5
- 238000004891 communication Methods 0.000 description 6
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- 239000013589 supplement Substances 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computational Linguistics (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a method and a mobile terminal for automatically adjusting telephone receiver sound. The method comprises the following steps: acquiring a sound signal leaking from a telephone receiver through a microphone, and converting the sound signal into a first electric signal value; acquiring the first electric signal value, and calculating a magnitude of the sound signal leaking from the telephone receiver and a second electric signal value needed for compensating for the sound signal leaking from the telephone receiver respectively according to a ratio relationship between the electric signal value and the magnitude of the sound signal leaking from the telephone receiver; and acquiring the second electric signal value, and transmitting the second electric signal value to the telephone receiver to perform sound compensation. According to the method and the mobile terminal, the magnitude of sound leaking from the telephone receiver of the mobile phone is detected through the microphone; the sound magnitude is converted into an electric signal; the sensitivities of the microphone and the telephone receiver are known; a sound compensation parameter is calculated according to a proportional relationship between the sound magnitude and the electric signal; and parameters needing to be compensated are compensated for the telephone receiver. Thus, the call quality of a user can be enhanced on the basis of sound leakage.
Description
Technical field
The present invention relates to communication field, a kind of method being automatically adjusted earpiece sound and mobile terminal.
Background technology
During user's communication be accustomed to receiver center face human ear, so from receiver out sound the overwhelming majority gathered by human ear, the sound that user hears is bigger, and communication effect is preferable.But the custom made a phone call due to everyone is different, adds staff size, ear size, the interference of the various factors such as mobile phone size, receiver is not often the most just to human ear in some cases, and both relative positions can exist a range of deviation, particularly may be divided into following three kinds, as shown in Figure 1；
Normal place: receiver mesh center is just to human ear center, and overwhelming majority sound is gathered by human ear, and sound leakage is the least
Front off normal is put: mobile phone is closer to ear front, and i.e. toward that sidesway of face, now sound is substantially revealed on front side of mobile phone, and the sound that human ear collects diminishes；
Retrodeviating position: mobile phone is closer to ear rear, i.e. toward that sidesway of neck, now sound is substantially revealed on rear side of mobile phone, and the sound that human ear collects diminishes；
Before be in partially or when retrodeviating position, sound is leaked in surrounding enviroment, and the sound that user hears substantially diminishes, and communication effect declines.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of method being automatically adjusted earpiece sound and mobile terminal, the sound size revealed by detection receiver carries out sound compensation to receiver, improves the speech quality of user.
Technical scheme is as follows:
A kind of method being automatically adjusted earpiece sound, included following steps:
A, mike gather the acoustical signal of receiver leakage and described acoustical signal are converted into the first value of electrical signals；
B, obtaining the first value of electrical signals, the ratio relation of the acoustical signal size revealed with described receiver according to value of electrical signals calculates the size of the acoustical signal that described receiver is revealed respectively, and compensates the second value of electrical signals needed for the acoustical signal that receiver is revealed；
C, obtain described second value of electrical signals and flow to receiver and carry out sound compensation.
In the described method being automatically adjusted earpiece sound, step B includes:
B1, the computing formula of the acoustical signal size revealed according to the first value of electrical signals and described receiver calculate the size of the acoustical signal that described receiver is revealed, and described computing formula is:
Wherein: L represents the acoustical signal that receiver is revealed, U1Represent first signal of telecommunication, S1Represent the sensitivity of mike.
In the described method being automatically adjusted earpiece sound, step B also includes:
B2, the computing formula of the acoustical signal size revealed according to the second value of electrical signals and described receiver calculate the second value of electrical signals compensated needed for the acoustical signal that receiver is revealed, and described computing formula is
Wherein: L represents the acoustical signal that receiver is revealed, U2Represent second signal of telecommunication, S2Represent the sensitivity of receiver.
In the described method being automatically adjusted earpiece sound, step C specifically includes；
Obtain described second value of electrical signals, and carry out sound compensation to increasing described second value of electrical signals on the basis of flowing to the signal of telecommunication of receiver.
Based on the above-mentioned method being automatically adjusted earpiece sound, the present invention also provides for a kind of mobile terminal being automatically adjusted earpiece sound, including:
Acquisition module, gathers the acoustical signal of receiver leakage for mike and described acoustical signal is converted into the first value of electrical signals；
The computing module being connected with acquisition module, the ratio relation of the acoustical signal size for revealing with described receiver according to value of electrical signals calculates the size of the acoustical signal that described receiver is revealed respectively, and compensates the second value of electrical signals needed for the acoustical signal that receiver is revealed；
The compensating module being connected with computing module, is used for obtaining described second value of electrical signals and flows to receiver and carry out sound compensation.
In the described mobile terminal being automatically adjusted earpiece sound, computing module includes:
First computing unit, the computing formula of the acoustical signal size for revealing with described receiver according to the first value of electrical signals calculates the size of the acoustical signal that described receiver is revealed, and described computing formula is:
Wherein: L represents the acoustical signal that receiver is revealed, U1Represent first signal of telecommunication, S1Represent the sensitivity of mike.
In the described mobile terminal being automatically adjusted earpiece sound, described computing module includes:
Second computing unit, the computing formula of the acoustical signal size for revealing with described receiver according to the second value of electrical signals calculates the second value of electrical signals compensated needed for the acoustical signal that receiver is revealed, and described computing formula is
Wherein: L represents the acoustical signal that receiver is revealed, U2Represent second signal of telecommunication, S2Represent the sensitivity of receiver.
In the described mobile terminal being automatically adjusted earpiece sound, described compensating module is specifically for obtaining described second value of electrical signals, and carries out sound compensation to increasing described second value of electrical signals on the basis of flowing to the signal of telecommunication of receiver.
The method being automatically adjusted earpiece sound provided by the present invention and mobile terminal, it is provided with mike in the end of mobile terminal, use the sound size that mike detection mobile terminal receiver is revealed, sound size is converted to the signal of telecommunication, known microphones and the sensitivity of receiver, utilize sound size to calculate sound compensating parameter with the proportionate relationship of the signal of telecommunication, the parameter of required compensation is compensated to receiver, it is possible on the basis of sound is revealed, improve the speech quality of user.
Accompanying drawing explanation
Position inclined before representing receiver and ear for Fig. 1 a in Fig. 1, Fig. 1 b is the normal place of receiver and ear, and Fig. 1 c is that receiver retrodeviates position.
Fig. 2 is the schematic flow sheet of the method being automatically adjusted earpiece sound in the present invention.
Fig. 3 is the schematic flow sheet of the method specific embodiment being automatically adjusted earpiece sound in the present invention.
Fig. 4 is the high-level schematic functional block diagram of the mobile terminal being automatically adjusted earpiece sound in the present invention.
Detailed description of the invention
The present invention provides and is automatically adjusted method and the mobile terminal of earpiece sound, for making the purpose of the present invention, technical scheme and effect clearer, clear and definite, referring to the drawings and give an actual example that the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 2, the method being automatically adjusted earpiece sound that the present invention provides, comprise the following steps:
S100, mike gather the acoustical signal of receiver leakage and described acoustical signal are converted into the first value of electrical signals.
At mobile phone terminal top, one mike is set, this mike can built-in also can be external, described mike use save a switching device, this mike can fully gather receiver reveal sound.Call set up by mobile phone, mobile phone is placed near ear by user, and mike gathers the sound that earpiece leaks, and the medium in mike is affected generation deformation by sound wave, cause its internal resistance to change thus produce the signal of telecommunication, and the sensitivity of described mike is known parameters.
S200, obtaining the first value of electrical signals, the ratio relation of the acoustical signal size revealed with described receiver according to value of electrical signals calculates the size of the acoustical signal that described receiver is revealed respectively, and compensates the second value of electrical signals needed for the acoustical signal that receiver is revealed.The present invention is according to sensitivity of microphone formula:, L represents the acoustical signal that receiver is revealed, and U represents that the signal of telecommunication, S represent the sensitivity of mike.The parameter of different known conditions can be obtained.
After implementing step S100, owing to the sensitivity parameter of mike is known, the big I of the signal of telecommunication of mike is obtained by cell phone system, flowing to the computing module (this computing module is mobile phone computing chip) of mobile phone after the signal of telecommunication (the i.e. first value of electrical signals) of mobile phone acquisition mike, the computing module of mobile phone can calculate, according to above-mentioned sensitivity of microphone formula, the sound size that receiver is revealed.Also according to sensitivity of microphone formula, in the sound size that known receiver is revealed, in the case of receiver sensitivity is known, the value of electrical signals compensated required for the sound that receiver is revealed can be calculated, i.e. calculate the second value of electrical signals.
S300, obtain described second value of electrical signals and flow to receiver and carry out sound compensation.Mobile phone obtains described second value of electrical signals, and carries out sound compensation to increasing described second value of electrical signals on the basis of flowing to the signal of telecommunication of receiver.I.e. calculate compensation receiver and reveal needed for sound after value of electrical signals, this secondary signal value complement is charged in former receiver output value of electrical signals.The output signal of telecommunication of the most former receiver is U, and the second value of electrical signals is UX, then after supplementing, the signal of telecommunication of receiver is U+UX.
Concrete refers to Fig. 3 and Fig. 4, and below in conjunction with Fig. 3 and Fig. 4, the present invention is further illustrated:
Call set up by S410, mobile phone, and user holds mobile phone and speaks；Especially user be in surrounding noise many, big under conditions of.
S420, mobile phone acquisition module pick up the sound L of receiver leakage and change into signal of telecommunication U1；U1I.e. first value of electrical signals；
It is converted into first signal of telecommunication by the audible alarm that mobile phone acquisition module pickup earpiece leaks, then by the first signal of telecommunication output to the computing module of mobile phone.
S430, signal of telecommunication U1It is provided to the first computing unit；First value of electrical signals is flowed to the first computing unit of computing module by i.e. mobile phone.
S440, the first computing unit receive signal of telecommunication U1, and calculate, according to embedded in mobile phone formula, sound size L that acquisition module collects and be sent to the second computing unit；
The computing formula of the acoustical signal size that mobile phone the first computing unit is revealed with described receiver according to the first value of electrical signals calculates the size of the acoustical signal that described receiver is revealed, and described computing formula is:Wherein: L represents the acoustical signal that receiver is revealed, U1Represent first signal of telecommunication, S1Represent the sensitivity of mike.The sensitivity coefficient S of known microphones1Signal of telecommunication U with mike1, can draw, according to above-mentioned formula, the acoustical signal L that receiver is revealed.
S450, the second computing unit receive sound size L, and calculate L according to built-in formula and correspond to signal of telecommunication size U needed for receiver end2And it is sent to the compensating module of mobile phone；Signal of telecommunication U2I.e. second value of electrical signals；The computing formula of the acoustical signal size that the second computing unit of mobile phone is revealed with described receiver according to the second value of electrical signals calculates the second value of electrical signals compensated needed for the acoustical signal that receiver is revealed, and described computing formula isWherein: L represents the acoustical signal that receiver is revealed, U2Represent second signal of telecommunication, S2Represent the sensitivity of receiver.Acoustical signal L that second computing unit is revealed based on known receiver and the sensitivity coefficient S of receiver2, the second value of electrical signals U can be calculated2, this secondary signal value is supplementary receiver and reveals the signal of telecommunication needed for sound, and the input that this second signal of telecommunication is supplemented to receiver can supplement the sound of receiver loss.
S460, compensating module are by the second signal of telecommunication U2Compensate receiver input；The compensating module of mobile phone obtains the value of secondary signal, and the value complement that would be equivalent to secondary signal supplements the input of receiver with money, increases the signal of telecommunication input value of receiver, to increase the sound of earpiece, supplements the sound that receiver is revealed, makes user's communication effect quality be ensured.Especially in the environment that sound is noisy, user's communication quality can be ensured.
S470, Headphone volume have regulated.
Refer to Fig. 4, the mobile terminal being automatically adjusted earpiece sound of the present invention, including:
Acquisition module 510, gathers the acoustical signal of receiver leakage for mike and described acoustical signal is converted into the first value of electrical signals, as detailed above；
The computing module 520 being connected with acquisition module, the ratio relation of the acoustical signal size for revealing with described receiver according to value of electrical signals calculates the size of the acoustical signal that described receiver is revealed respectively, and compensate the second value of electrical signals needed for the acoustical signal that receiver is revealed, as detailed above；
The compensating module 530 being connected with computing module, is used for obtaining described second value of electrical signals and flows to receiver and carry out sound compensation, as detailed above；
Described computing module 530 includes:
First computing unit, the computing formula of the acoustical signal size for revealing with described receiver according to the first value of electrical signals calculates the size of the acoustical signal that described receiver is revealed, and described computing formula is:
Wherein: L represents the acoustical signal that receiver is revealed, U1Represent first signal of telecommunication, S1Represent the sensitivity of mike, as detailed above.
Described computing module includes:
Second computing unit, the computing formula of the acoustical signal size for revealing with described receiver according to the second value of electrical signals calculates the second value of electrical signals compensated needed for the acoustical signal that receiver is revealed, and described computing formula is
Wherein: L represents the acoustical signal that receiver is revealed, U2Represent second signal of telecommunication, S2Represent the sensitivity of receiver, as detailed above.
Described compensating module is specifically for obtaining described second value of electrical signals, and carries out sound compensation, as detailed above to increasing described second value of electrical signals on the basis of flowing to the signal of telecommunication of receiver.
In sum, the method being automatically adjusted earpiece sound provided by the present invention and mobile terminal, it is provided with mike in the end of mobile terminal, use the sound size that mike detection mobile terminal receiver is revealed, sound size is converted to the signal of telecommunication, it is known that mike and the sensitivity of receiver, utilizes sound size to calculate sound compensating parameter with the proportionate relationship of the signal of telecommunication, the parameter of required compensation is compensated to receiver, it is possible on the basis of sound is revealed, improve the speech quality of user.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, all these modifications and variations all should belong to the protection domain of claims of the present invention.
Claims (8)
1. the method being automatically adjusted earpiece sound, it is characterised in that included following steps:
A, mike gather the acoustical signal of receiver leakage and described acoustical signal are converted into the first value of electrical signals；
B, obtaining the first value of electrical signals, the ratio relation of the acoustical signal size revealed with described receiver according to value of electrical signals calculates the size of the acoustical signal that described receiver is revealed respectively, and compensates the second value of electrical signals needed for the acoustical signal that receiver is revealed；
C, obtain described second value of electrical signals and flow to receiver and carry out sound compensation.
The method being automatically adjusted earpiece sound the most according to claim 1, it is characterised in that described step B includes:
B1, the computing formula of the acoustical signal size revealed according to the first value of electrical signals and described receiver calculate the size of the acoustical signal that described receiver is revealed, and described computing formula is:
Wherein: L represents the acoustical signal that receiver is revealed, U1Represent first signal of telecommunication, S1Represent the sensitivity of mike.
The method being automatically adjusted earpiece sound the most according to claim 1, it is characterised in that described step B also includes:
B2, the computing formula of the acoustical signal size revealed according to the second value of electrical signals and described receiver calculate the second value of electrical signals compensated needed for the acoustical signal that receiver is revealed, and described computing formula is
Wherein: L represents the acoustical signal that receiver is revealed, U2Represent second signal of telecommunication, S2Represent the sensitivity of receiver.
The method being automatically adjusted earpiece sound the most according to claim 1, it is characterised in that described step C specifically includes；
Obtain described second value of electrical signals, and carry out sound compensation to increasing described second value of electrical signals on the basis of flowing to the signal of telecommunication of receiver.
5. the mobile terminal being automatically adjusted earpiece sound, it is characterised in that including:
Acquisition module, gathers the acoustical signal of receiver leakage for mike and described acoustical signal is converted into the first value of electrical signals；
The computing module being connected with acquisition module, the ratio relation of the acoustical signal size for revealing with described receiver according to value of electrical signals calculates the size of the acoustical signal that described receiver is revealed respectively, and compensates the second value of electrical signals needed for the acoustical signal that receiver is revealed；
The compensating module being connected with computing module, is used for obtaining described second value of electrical signals and flows to receiver and carry out sound compensation.
The mobile terminal being automatically adjusted earpiece sound the most according to claim 5, it is characterised in that described computing module includes:
First computing unit, the computing formula of the acoustical signal size for revealing with described receiver according to the first value of electrical signals calculates the size of the acoustical signal that described receiver is revealed, and described computing formula is:
Wherein: L represents the acoustical signal that receiver is revealed, U1Represent first signal of telecommunication, S1Represent the sensitivity of mike.
The mobile terminal being automatically adjusted earpiece sound the most according to claim 5, it is characterised in that described computing module includes:
Second computing unit, the computing formula of the acoustical signal size for revealing with described receiver according to the second value of electrical signals calculates the second value of electrical signals compensated needed for the acoustical signal that receiver is revealed, and described computing formula is
Wherein: L represents the acoustical signal that receiver is revealed, U2Represent second signal of telecommunication, S2Represent the sensitivity of receiver.
The mobile terminal being automatically adjusted earpiece sound the most according to claim 5, it is characterized in that, described compensating module is specifically for obtaining described second value of electrical signals, and carries out sound compensation to increasing described second value of electrical signals on the basis of flowing to the signal of telecommunication of receiver.
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| CN201610315834.0A CN105827862A (en) | 2016-05-12 | 2016-05-12 | Method and mobile terminal for automatically adjusting telephone receiver sound |
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| CN201610315834.0A CN105827862A (en) | 2016-05-12 | 2016-05-12 | Method and mobile terminal for automatically adjusting telephone receiver sound |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111314560A (en) * | 2020-03-17 | 2020-06-19 | 青岛海信移动通信技术股份有限公司 | Method for adjusting sound loudness and communication terminal |
| CN112530452A (en) * | 2020-11-23 | 2021-03-19 | 北京蓦然认知科技有限公司 | Post-filtering compensation method, device and system |
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| CN104303228A (en) * | 2012-05-10 | 2015-01-21 | 美国思睿逻辑有限公司 | Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devices |
| US20150243271A1 (en) * | 2014-02-22 | 2015-08-27 | Apple Inc. | Active noise control with compensation for acoustic leak in personal listening devices |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104303228A (en) * | 2012-05-10 | 2015-01-21 | 美国思睿逻辑有限公司 | Error-signal content controlled adaptation of secondary and leakage path models in noise-canceling personal audio devices |
| CN202979240U (en) * | 2012-11-21 | 2013-06-05 | 华为终端有限公司 | Earphone device, electronic device, and receiver device |
| US20150243271A1 (en) * | 2014-02-22 | 2015-08-27 | Apple Inc. | Active noise control with compensation for acoustic leak in personal listening devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111314560A (en) * | 2020-03-17 | 2020-06-19 | 青岛海信移动通信技术股份有限公司 | Method for adjusting sound loudness and communication terminal |
| CN112530452A (en) * | 2020-11-23 | 2021-03-19 | 北京蓦然认知科技有限公司 | Post-filtering compensation method, device and system |
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