CN104135574B - The silent mode switching method and apparatus of mobile terminal - Google Patents
The silent mode switching method and apparatus of mobile terminal Download PDFInfo
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- CN104135574B CN104135574B CN201410415110.4A CN201410415110A CN104135574B CN 104135574 B CN104135574 B CN 104135574B CN 201410415110 A CN201410415110 A CN 201410415110A CN 104135574 B CN104135574 B CN 104135574B
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Abstract
The embodiment of the invention discloses a kind of silent mode switching method and apparatus of mobile terminal.The silent mode changing method of described mobile terminal comprises: at least two microphones be equipped with from mobile terminal receive a road audio signal respectively; Difference characteristic value between at least two-way audio signal that calculating receives; Determine whether described mobile terminal enters silent mode according to described difference characteristic value, and enter silent mode when being defined as being.The silent mode switching method and apparatus of the mobile terminal that the embodiment of the present invention provides can block action according to the microphone of user and enter silent mode automatically.
Description
Technical field
The embodiment of the present invention relates to communication technical field, particularly relates to a kind of silent mode switching method and apparatus of mobile terminal.
Background technology
In recent years, along with the prosperity day by day of mobile communication technology, people more and more use mobile terminal to carry out long-range communication exchange in daily life.But people, in communication process, do not wish that the other side conversed hears oneself sound sometimes.Such as, user needs to confer something and other companions at one's side, does not wish that again the opposite end of conversing hears that oneself and companion carry out the process conferred.
Do not wish that the other side conversed hears the situation of the sound of oneself this side for this, the mobile terminal carrying out conversing can be allowed to enter silent mode.In prior art, the option arranged in mobile terminal allowing mobile terminal enter silent mode generally all to need user manual.And in communication process, this operation is manually arranged to silent mode and seem and extremely bother.
Summary of the invention
In view of this, the embodiment of the present invention proposes a kind of silent mode switching method and apparatus of mobile terminal, to enter silent mode automatically.
First aspect, embodiments provide a kind of silent mode changing method of mobile terminal, described method comprises:
At least two microphones be equipped with from mobile terminal receive a road audio signal respectively;
Difference characteristic value between at least two-way audio signal that calculating receives;
Determine whether described mobile terminal enters silent mode according to described difference characteristic value, and enter silent mode when being defined as being.
Second aspect, embodiments provide a kind of quiet switching device shifter of mobile terminal, described device comprises:
Signal receiving module, at least two microphones for being equipped with from mobile terminal receive a road audio signal respectively;
Difference computation module, for calculating the difference characteristic value between at least two-way audio signal that receives;
Mode decision module, for determining whether described mobile terminal enters silent mode according to described difference characteristic value, and enters silent mode when being defined as being.
The silent mode switching method and apparatus of the mobile terminal that the embodiment of the present invention provides, a road audio signal is received respectively by least two microphones be equipped with from mobile terminal, difference characteristic value between at least two-way audio signal that calculating receives, determine whether described mobile terminal enters silent mode according to described difference characteristic value, and enter silent mode when being defined as being, make mobile terminal can block action according to the microphone in the communication process of user and enter silent mode automatically.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the flow chart of the silent mode changing method of the mobile terminal that first embodiment of the invention provides;
Fig. 2 is the flow chart that in the silent mode changing method of the mobile terminal that second embodiment of the invention provides, difference calculates;
Fig. 3 is the flow chart of mode decision in the silent mode changing method of the mobile terminal that second embodiment of the invention provides;
Fig. 4 is the flow chart that in the silent mode changing method of the mobile terminal that third embodiment of the invention provides, difference calculates;
Fig. 5 is the flow chart of mode decision in the silent mode changing method of the mobile terminal that third embodiment of the invention provides;
Fig. 6 is the structure chart of the silent mode switching device shifter of the mobile terminal that fourth embodiment of the invention provides.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
Fig. 1 shows the first embodiment of the present invention.
Fig. 1 is the flow chart of the silent mode changing method of the mobile terminal that first embodiment of the invention provides.See Fig. 1, the silent mode changing method of described mobile terminal comprises:
S110, at least two microphones be equipped with from mobile terminal receive a road audio signal respectively.
When user uses mobile terminal to converse, if user does not want to allow the opposite end of call hear the sound of oneself this side, user can block the microphone of mobile terminal usually with a hand, be sent to opposite end to prevent the sound of oneself by microphone.
In the mobile terminal that market is sold, a lot of mobile terminal is had to have at least two microphones.The mobile terminal with at least two microphones can by the multiple microphones of self respectively from extraneous received audio signal.And user takes blocks action and usually can only reduce the audio signal that a part of microphone in multiple microphone receives.That is, user block the amplitude that action can only reduce the sound that part microphone receives in multiple microphones of mobile terminal.Utilize this point, mobile terminal can respectively from multiple microphone received audio signal, then the audio signal received is compared, when differing greatly between the audio signal that multiple microphone is corresponding, can judge that user have employed the action of blocking wherein a part of microphone.Now, silent mode can be entered.
When performing the silent mode changing method of described mobile terminal, first mobile terminal receives a road audio signal respectively from least two microphones, to compare described at least two-way audio signal in subsequent step.
S120, the difference characteristic value between at least two-way audio signal that calculating receives.
After receiving a described road audio signal respectively from described at least two microphones, the difference characteristic value between at least two-way audio signal that calculating receives.Described difference characteristic value is the variable of the difference described in sign at least between two-way audio signal.Preferably, described difference characteristic value can be the difference between the sampled value of described at least two-way audio signal on particular point in time, described difference characteristic value can also be described at least two-way audio signal special time period on average power between difference.
According to described difference characteristic value, S130, determines whether described mobile terminal enters silent mode, and enters silence suppression pattern when being defined as being.
After the calculating of the difference characteristic value between completing described at least two-way audio signal, determine whether described mobile terminal enters silent mode according to described difference characteristic value.
Preferably, described difference characteristic value and the threshold value preset can be compared, to determine whether described mobile terminal enters silent mode.Described default threshold value be one identical with the dimension of described difference characteristic value, for weighing the value of the value size of described difference characteristic value.
Preferred further, when the value of described difference characteristic value is greater than default threshold value, the difference described in explanation at least between two-way audio signal is enough large, and can judge that user has taken and block action, mobile terminal is determined to enter silent mode; And when the value of described difference characteristic value is less than default threshold value, the difference described in explanation at least between two-way audio signal is also not obvious, therefore judge that user does not take and block action, mobile terminal is now determined not enter silent mode.
The present embodiment receives a road audio signal respectively by least two microphones be equipped with from mobile terminal, difference characteristic value between at least two-way audio signal that calculating receives, and determine whether described mobile terminal enters silent mode according to described difference characteristic value, make mobile terminal can block action according to the microphone in the communication process of user and enter silent mode automatically.
Fig. 2 and Fig. 3 shows the second embodiment of the present invention.
Fig. 2 is the flow chart that in the silent mode changing method of the mobile terminal that second embodiment of the invention provides, difference calculates.The silent mode changing method of described mobile terminal is based on the first embodiment of the present invention, further, the difference characteristic value calculated between at least two-way audio signal received comprises: sample respectively to described at least two-way audio signal in predetermined point of time; Using the difference between the sampled value of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.See Fig. 2, the difference characteristic value between at least two-way audio signal that calculating receives comprises:
S121, predetermined point of time is sampled respectively to described at least two-way audio signal.
Described predetermined point of time can be any one time point in the process received described at least two-way audio signal by different microphones.After determining described predetermined point of time, described predetermined point of time is sampled respectively to described at least two-way audio signal.After described at least two-way audio signal is sampled respectively, at least sampled value of two-way audio signal in described predetermined point of time described in getting.
S122, using the difference between the sampled value of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
After described at least two-way audio signal is sampled, poor to the sampled value of two-way audio signal every in described at least two-way audio signal, and using the difference between the sampled value of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.Because described at least two-way audio signal may comprise the audio signal on more than three tunnels or three tunnels, so described difference characteristic value may comprise two or more numerical value.
Fig. 3 is the flow chart of mode decision in the noise suppression mode switching method of the mobile terminal that second embodiment of the invention provides.Preferred further, determine whether described mobile terminal enters silent mode according to described difference characteristic value, and enter silent mode when being defined as being and comprise: when the difference between the sampled value of two-way audio signal any in described at least two-way audio signal is greater than default sampled value discrepancy threshold, determine to enter silent mode; When difference between the sampled value of two-way audio signal every in described at least two-way audio signal is all less than default sampled value discrepancy threshold, determine not enter silent mode.
See Fig. 3, determine whether described mobile terminal enters silent mode according to the value of described difference characteristic value, and enter silent mode when being defined as being and comprise:
S131, when the difference between the sampled value of two-way audio signal any in described at least two-way audio signal is greater than default sampled value discrepancy threshold, determines to enter silent mode.
If in described at least two-way audio signal any two-way audio signal sampled value between difference be greater than default sampled value discrepancy threshold, illustrate that user has taken at least one in multiple microphone and block action.Now, mobile terminal enters silent mode.
S132, when the difference between the sampled value of two-way audio signal every in described at least two-way audio signal is all less than default sampled value discrepancy threshold, determines not enter silent mode.
If in described at least two-way audio signal every two-way audio signal sampled value between difference be all less than default sampled value discrepancy threshold, illustrate that user does not take to block action to any one in multiple microphone.Now, mobile terminal closes silent mode.
The present embodiment by sampling to described at least two-way audio signal in predetermined point of time, and using the difference between the sampled value of two-way audio signal any in described at least two-way audio signal as described difference characteristic value, complete the calculating of the difference characteristic value to audio signal, make mobile terminal can block action according to the microphone in the communication process of user and enter silent mode automatically.
Fig. 4 and Fig. 5 shows the third embodiment of the present invention.
Fig. 4 is the flow chart that in the silent mode changing method of the mobile terminal that third embodiment of the invention provides, difference calculates.The silent mode changing method of described mobile terminal is based on the first embodiment of the present invention, further, the difference characteristic value calculated between at least two-way audio signal that receives comprises: the average power of at least two-way audio signal Zhong Mei road audio signal described in calculating within a predetermined period of time; Using the difference between the average power of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
See Fig. 4, the difference characteristic value between at least two-way audio signal that calculating receives comprises:
S123, the average power of at least two-way audio signal Zhong Mei road audio signal described in calculating within a predetermined period of time.
Described predetermined amount of time is the random time section in the process of at least two-way audio signal described in reception.The average power of at least two-way audio signal Zhong Mei road audio signal described in calculating respectively in described predetermined amount of time.
Described in calculating, at least the process of the average power of two-way audio signal Zhong Mei road audio signal can be first sample to described at least two-way audio signal Zhong Mei road audio signal, the at least power of two-way audio signal Zhong Mei road audio signal on each sampled point described in calculating again, finally the power on each sampled point is averaged, the average power of at least two-way audio signal Zhong Mei road audio signal described in just obtaining.
S124, using the difference between the average power of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
After completing the calculating to the average power of described at least two-way audio signal, the average power of at least two-way audio signal described in calculating, and using the difference between the average power of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
Fig. 5 is the flow chart of mode decision in the silent mode changing method of the mobile terminal that third embodiment of the invention provides.Preferred further, determine whether described mobile terminal enters silent mode according to described difference characteristic value, and enter silent mode when being defined as being and comprise: when the difference between two-way audio signal any in described at least two-way average power is greater than default power difference threshold value, determine to enter silent mode; When difference between the average power of two-way audio signal every in described at least two-way audio signal is all less than default power difference threshold value, determine not enter silent mode.
See Fig. 5, determine whether described mobile terminal enters silent mode and comprise according to the value of described difference characteristic value:
S133, when the difference between the average power of two-way audio signal any in described at least two-way audio signal is greater than default power difference threshold value, determines to enter silent mode.
If in described at least two-way audio signal any two-way audio signal average power between difference be greater than default power difference threshold value, illustrate that user has taken the part in multiple microphone and block.Now, mobile terminal is determined to enter silent mode.
S134, when the difference between the average power of two-way audio signal every in described at least two-way audio signal is all less than default power difference threshold value, determines not enter silent mode.
If in described at least two-way audio signal every two-way audio signal average power between difference be all less than default power difference threshold value, illustrate that user does not take to block to any one in multiple microphone.Now, mobile terminal closes silent mode.
The present embodiment is by calculating the average power of at least two-way audio signal Zhong Mei road audio signal in predetermined amount of time, and described in calculating at least in two-way audio signal every two-way audio signal average power between difference, complete the calculating of the difference characteristic value to audio signal, make mobile terminal can block action according to the microphone in the communication process of user and enter silent mode automatically.
Fig. 6 shows the fourth embodiment of the present invention.
Fig. 6 is the structure chart of the quiet switching device shifter of the mobile terminal that fourth embodiment of the invention provides.See Fig. 6, the quiet switching device shifter of described mobile terminal comprises: signal receiving module 610, difference computation module 620 and mode decision module 630.
Described signal receiving module 610 receives a road audio signal respectively at least two microphones be equipped with from mobile terminal.
Described difference computation module 620 is for calculating the difference characteristic value between at least two-way audio signal that receives.
Described mode decision module 630 for determining whether described mobile terminal enters silent mode according to described difference characteristic value, and enters silent mode when being defined as being.
Preferably, described difference computation module 620 comprises: signal sampling unit 621 and the first difference acquiring unit 622.
Described signal sampling unit 621 for sampling respectively to described at least two-way audio signal in predetermined point of time.
Described first difference acquiring unit 622 for using the difference between the sampled value of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
Preferably, described mode decision module 630 comprises: the first quiet unit 631 and the first non-mute unit 632.
When described first quiet unit 631 is greater than default sampled value discrepancy threshold for the difference between the sampled value of two-way audio signal any in described at least two-way audio signal, determine to enter silent mode.
When described first non-mute unit 632 is less than default sampled value discrepancy threshold for the difference between the sampled value of two-way audio signal every in described at least two-way audio signal, determine not enter silent mode.
Preferably, described difference computation module 620 comprises: power calculation unit 623 and the second difference acquiring unit 624.
Described power calculation unit 623 is for the average power of at least two-way audio signal Zhong Mei road audio signal described in calculating respectively within a predetermined period of time.
Described second difference acquiring unit 624 for using the difference between the average power of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
Preferably, described mode decision module 630 comprises: the second quiet unit 633 and the second non-mute unit 634.
When described second quiet unit 633 is greater than default power difference threshold value for the difference between the average power of two-way audio signal any in described at least two-way audio signal, determine to enter silent mode.
When described second non-mute unit 634 is all less than default power difference threshold value for the difference between the average power of two-way audio signal every in described at least two-way audio signal, determine not enter silent mode.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Those of ordinary skill in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of computer installation, thus they storages can be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to the combination of any specific hardware and software.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, the same or analogous part between each embodiment mutually see.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, to those skilled in the art, the present invention can have various change and change.All do within spirit of the present invention and principle any amendment, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a silent mode changing method for mobile terminal, is characterized in that, comprising:
At least two microphones be equipped with from mobile terminal receive a road audio signal respectively;
Difference characteristic value between at least two-way audio signal that calculating receives;
When the difference characteristic value of two-way audio signal any in described at least two-way audio signal is greater than default threshold value, determine that described mobile terminal enters silent mode;
When the difference characteristic value of two-way audio signal every in described at least two-way audio signal is all less than default threshold value, determine that described mobile terminal does not enter silent mode.
2. method according to claim 1, is characterized in that, the difference characteristic value between at least two-way audio signal that calculating receives comprises:
Predetermined point of time is sampled respectively to described at least two-way audio signal;
Using the difference between the sampled value of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
3. method according to claim 2, is characterized in that, determines whether described mobile terminal enters silent mode and comprise according to described difference characteristic value:
When difference between the sampled value of two-way audio signal any in described at least two-way audio signal is greater than default sampled value discrepancy threshold, determine to enter silent mode;
When difference between the sampled value of two-way audio signal every in described at least two-way audio signal is all less than default sampled value discrepancy threshold, determine not enter silent mode.
4. method according to claim 1, is characterized in that, the difference characteristic value between at least two-way audio signal that calculating receives comprises:
The average power of at least two-way audio signal Zhong Mei road audio signal described in calculating respectively within a predetermined period of time;
Using the difference between the average power of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
5. method according to claim 4, is characterized in that, determines whether described mobile terminal enters silent mode and comprise according to described difference characteristic value:
When difference between the average power of two-way audio signal any in described at least two-way audio signal is greater than default power difference threshold value, determine to enter silent mode;
When difference between the average power of two-way audio signal every in described at least two-way audio signal is all less than default power difference threshold value, determine not enter silent mode.
6. a noise suppression mode-changeover device for mobile terminal, is characterized in that, comprising:
Signal receiving module, at least two microphones for being equipped with from mobile terminal receive a road audio signal respectively;
Difference computation module, for calculating the difference characteristic value between at least two-way audio signal that receives;
Mode decision module, for when the difference characteristic value of two-way audio signal any in described at least two-way audio signal is greater than default threshold value, determines that described mobile terminal enters silent mode; When the difference characteristic value of two-way audio signal every in described at least two-way audio signal is all less than default threshold value, determine that described mobile terminal does not enter silent mode.
7. device according to claim 6, is characterized in that, described difference computation module comprises:
Signal sampling unit, for sampling respectively to described at least two-way audio signal in predetermined point of time;
First difference acquiring unit, for using the difference between the sampled value of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
8. device according to claim 7, is characterized in that, described mode decision module comprises:
First quiet unit, when being greater than default sampled value discrepancy threshold for the difference between the sampled value of two-way audio signal any in described at least two-way audio signal, determines to enter silent mode;
First non-mute unit, when being all less than default sampled value discrepancy threshold for the difference between the sampled value of two-way audio signal every in described at least two-way audio signal, determines not enter silent mode.
9. device according to claim 6, is characterized in that, described difference computation module comprises:
Power calculation unit, for the average power of at least two-way audio signal Zhong Mei road audio signal described in calculating respectively within a predetermined period of time;
Second difference acquiring unit, for using the difference between the average power of two-way audio signal every in described at least two-way audio signal as described difference characteristic value.
10. device according to claim 9, is characterized in that, described mode decision module comprises:
Second quiet unit, when being greater than default power difference threshold value for the difference between the average power of two-way audio signal any in described at least two-way audio signal, determines to enter silent mode;
Second non-mute unit, when being all less than default power difference threshold value for the difference between the average power of two-way audio signal every in described at least two-way audio signal, determines not enter silent mode.
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| CN104994228B (en) * | 2015-06-12 | 2018-03-27 | 广东小天才科技有限公司 | A kind of method and intelligent terminal of intelligence switching call reminding mode |
| CN108605067B (en) * | 2016-04-29 | 2021-06-08 | 华为技术有限公司 | Method for playing audio and mobile terminal |
| CN108111701A (en) * | 2016-11-24 | 2018-06-01 | 北京中创视讯科技有限公司 | Silence processing method and device |
| CN106888321A (en) * | 2017-01-24 | 2017-06-23 | 瑞声科技(新加坡)有限公司 | The method that communication apparatus switches silent mode |
| CN107332984B (en) * | 2017-06-21 | 2020-05-22 | 维沃移动通信有限公司 | Voice processing method and mobile terminal |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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