CN104883437A - Method and system for adjusting the volume of warning tone through environment-based voice analysis - Google Patents
Method and system for adjusting the volume of warning tone through environment-based voice analysis Download PDFInfo
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Abstract
The invention provides a method for adjusting the volume of a warning tone through environment-based voice analysis. The method includes the steps: establishing a mobile phone decibel volume conversion table; calling a current mode of a mobile phone, and reserving a period of time to realize gradual changing vibration if the mode is a ringing mode; collecting surrounding environment noise during a period of time by the mobile phone and converting the surrounding environment noise into environment sound; weighting the environment sound and the time to obtain new environment sound if a time factor is taken into consideration; and comparing a decibel represented by the environment sound with the decibel volume conversion table, and adjusting the current volume of the warning tone of the mobile phone. Through adoption of the above method, the mobile phone decibel volume conversion table includes a decibel range and a mobile phone warning tone volume value corresponding to the decibel range. The higher the decibel, the greater the mobile phone warning tone volume value is.
Description
Technical field
The present invention relates to a kind of language parsing techniques, particularly a kind of method and system of the adjustment of the speech analysis based on environment reminding sound volume.
Background technology
Speech communication is one of most important communication modes of the daily communication of people, and the quality of speech communication is again usually by the impact of surrounding environment.Traditional mobile phone major part does not initiatively change the method for mobile phone reminding sound volume, has some mobile phones can change reminding sound volume according to the time intelligence of incoming call.The time longer mobile phone reminding sound volume of ring unanswered will improve gradually.But such mobile phone does not consider ambient noise, only consider non-listening time.Current market also has mobile phone in communication process, consider the technology of denoising, but has or not and apply in electric process.
Summary of the invention
The object of the present invention is to provide a kind of environmental information by monitoring around, identifying the current state of environment to the method and system of the pattern before changing communication.
Based on a method for the speech analysis adjustment reminding sound volume of environment, comprising:
Set up mobile phone decibel volume conversion table;
Calling mobile phone present mode, if bell mode, sets aside some time and realizes gradual change vibrations;
Mobile phone gathers ambient noise in one section of acquisition time, and ambient noise is converted to ambient sound;
Consider time factor, new ambient sound is weighted to obtain to ambient sound and time; And
Decibel and the decibel volume conversion table of ambient sound representative contrast, and regulate mobile phone current prompt volume.
Adopt said method, described mobile phone decibel volume conversion table comprises decibel range and mobile phone prompt tone value corresponding to decibel range, and decibel is higher, and mobile phone prompt tone value is larger.
Adopt said method, the preparation method of described ambient sound decibel is:
Step 1, mobile phone gathers ambient noise and extracts amplitude of wave form,
Step 2, is converted into digital signal by amplitude of wave form,
Step 3, obtains the noise waveform mean value of amplitude of one section of acquisition time according to digital signal,
Step 4, adopt Lp=20log (p1/p2) dB to obtain ambient sound decibel, wherein p1 is the noise waveform mean value of amplitude obtained, and p2 is the acoustic pressure of reference value.
Adopt said method, described consideration time factor to the concrete grammar that ambient sound and time are weighted to obtain new ambient sound is:
T mobile phone gathers ambient noise at set intervals, acquisition ambient sound and time adopt Lp'=Lp+nt × 10% to be weighted, obtain new ambient sound and decibel volume conversion table contrasts, regulate mobile phone current prompt sound, the wherein ambient sound decibel that once obtains before being of Lp, Lp' is ambient sound decibel new after weighting, and n is positive integer;
If ring time exceedes the maximum duration of setting, mobile phone prompt tone is set to maximum and opens vibrations.
Based on a system for the speech analysis adjustment reminding sound volume of environment, comprise memory module 1, sound acquisition module 2, amplitude of wave form extraction module 3, A/D modular converter 4, processing module 5, judge module 6, comparison module 7, adjustment volume module 8.Memory module, for storing a decibel volume conversion table; Sound acquisition module, for gathering ambient noise; Amplitude of wave form extraction module, for extracting the amplitude of wave form of the ambient noise of collection; A/D modular converter, for being converted to digital signal by amplitude of wave form; Processing module, for obtaining noise waveform mean value of amplitude according to digital signal and obtaining ambient sound, and considers that time factor is weighted ambient sound and time; Judge module, for judging whether mobile phone is answered within the specific time; Comparison module, the contrast between the decibel represented for ambient sound and decibel volume conversion table; And adjustment volume module, for regulating mobile phone reminding sound volume.
The present invention compared with prior art, has the following advantages: noise is considered among the process of incoming call by the present invention, by judging the change reminding sound volume of intelligence to the identification of noise, considers the factor of time, so more hommization simultaneously, also more intelligent.
Below in conjunction with Figure of description, the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the inventive method flow chart.
Fig. 2 is present system schematic diagram.
Embodiment
Composition graphs 1, a kind of method of the adjustment of the speech analysis based on environment reminding sound volume, comprises the following steps:
Step 1, sets up mobile phone decibel volume conversion table, and this table comprises decibel range and mobile phone prompt tone value corresponding to decibel range, and decibel is higher, and mobile phone prompt tone value is larger, as shown in the table.
| 0 ~ 20 decibel | 20 ~ 40 decibels | 40 ~ 60 decibels | 60 ~ 70 decibels | 70 ~ 80 decibels | More than 80 decibels | |
| Volume | 50％ | 60％ | 80％ | 90％ | 100％ | 100%+ shakes |
Step 2, calling mobile phone present mode, if bell mode, sets aside some time and realizes gradual change vibrations.If be not mute state, when sending a telegram here, within first 3 seconds, kind is set to the vibrations of gradual change.Bring two benefits like this: the first system sampling environment-identification noise leaves the time; Second reduces the embarrassment that the unexpected sound of mobile phone brings, and stops certain regulating time.
Step 3, in the time of 3 seconds, utilizes the microphone of mobile phone to do noise measuring.The recording audio function of calling mobile phone will be enclosed environmental noise information and will be indexed in mobile phone; In the class utilizing the API of mobile phone to encapsulate, audio file is extracted amplitude of wave form calculating mean value; Amplitude of wave form is converted into digital signal; The noise waveform mean value of amplitude of one section of acquisition time is obtained according to digital signal; Then utilize formula Lp=20log (p1/p2) dB to obtain ambient sound decibel, wherein p1 is the noise waveform mean value of amplitude obtained, and p2 is the acoustic pressure of reference value, and the acoustic pressure of reference value gets the minimum acoustic pressure P2=20 μ P that the mankind can hear.The decibel calculated is the decibel of ambient sound.
Step 4, according to the decibel value amendment current prompt volume calculated.
Step 5, considers time factor, is weighted to obtain new ambient sound to ambient sound and time.Current environment volume is recalculated every five seconds.Concrete real-time method is as follows:
(1) reminding sound volume of current phone is revised after first time monitoring condition volume according to conversion table; Such as current environment 0-20 decibel, illustrates that current environment is very quiet, almost imperceptible; So reminding sound volume is set to 50%; 20-40 decibel illustrates current environment peace and quiet, just as prattling on softly; So reminding sound volume is set to 60%; If decibel has at that time exceeded 80 decibels, illustrate that now surrounding environment is quite noisy, now will arrange ring maximum, concussion unlatching has been realized information simultaneously and maximize.The method arranged is exactly call by the standard class that mobile phone provides the function regulating volume.
(2), after being provided with, the audio-frequency information of testing environment is continued; After every 5 seconds, again calculate decibel value with the method crossing above-mentioned steps 3, consider the factor of time simultaneously, be weighted.The basis of the value Lp namely drawn at original conversion table calculates Lp'=Lp+nt × 10%, wherein the ambient sound decibel that once obtains before being of Lp, Lp' is ambient sound decibel new after weighting, and n is positive integer.
(3) setup times node on this basis, by the volume modulation 100% of sound when time non-listening time gets to 20s clock time.Still do not answer when reaching 30S clock, then open vibrations, information maximizes.
Composition graphs 2, based on a system for the speech analysis adjustment reminding sound volume of environment, comprise memory module 1, sound acquisition module 2, amplitude of wave form extraction module 3, A/D modular converter 4, processing module 5, judge module 6, comparison module 7, adjustment volume module 8.Memory module 1, for storing a decibel volume conversion table; Sound acquisition module 2, for gathering ambient noise; Amplitude of wave form extraction module 3, for extracting the amplitude of wave form of the ambient noise of collection; A/D modular converter 4, for being converted to digital signal by amplitude of wave form; Processing module 5, for obtaining noise waveform mean value of amplitude according to digital signal and obtaining ambient sound, and considers that time factor is weighted ambient sound and time; Judge module 6, for judging whether mobile phone is answered within the specific time; Comparison module 7, the contrast between the decibel represented for ambient sound and decibel volume conversion table; And adjustment volume module 8, for regulating mobile phone reminding sound volume.
Described processing module 5 comprises: noise waveform mean value of amplitude computing module 51, ambient sound decibel computing module 52, ranking operation module 53.Noise waveform mean value of amplitude computing module 51, for calculating noise waveform mean value of amplitude in one section of acquisition time according to digital signal; Ambient sound decibel computing module 52, for obtaining ambient sound decibel according to noise waveform mean value of amplitude and the reference value acoustic pressure pre-entering system, Lp=20log (p1/p2) dB is adopted to obtain ambient sound decibel, wherein p1 is the noise waveform mean value of amplitude obtained, and p2 is the acoustic pressure of reference value; Ranking operation module 53, for ambient sound and the ranking operation of time, Lp'=Lp+nt × 10% pair ambient sound and time is adopted to be weighted, wherein the ambient sound decibel that once obtains before being of Lp, Lp' is ambient sound decibel new after weighting, and n is positive integer.
Operation principle based on the system of the speech analysis adjustment reminding sound volume of environment is: the ambient noise information collected is sent into amplitude of wave form extraction module 3 and extracted amplitude of wave form by sound acquisition module 2, carry out analog-to-digital conversion in amplitude of wave form feeding A/D modular converter 4 after extraction and obtain digital signal, process the digital signal obtained and calculate noise waveform mean value of amplitude in processing module 5, and calculate the decibel of ambient sound representative, ambient sound representative decibel and memory module 1 in decibel volume conversion table carry out contrasting the mobile phone reminding sound volume signal obtaining exporting by comparison module 7, adjustment volume module 8 regulates mobile phone reminding sound volume according to the mobile phone reminding sound volume signal exported.
In addition, sound acquisition module 2 continues to gather ambient noise, successively by extracting amplitude of wave form, calculate the decibel that the steps such as noise waveform mean value of amplitude obtain new ambient sound and ambient sound representative, by ranking operation module 53 new ambient sound and time be weighted and obtain mobile phone volume signal, adjustment volume module 8 regulates mobile phone reminding sound volume according to the mobile phone reminding sound volume signal exported, certain hour is reached when the time of ring unanswered, volume modulation 100%, certain hour is reached when the time of ring unanswered, open vibrations in volume modulation 100%.
Claims (10)
1., based on a method for the speech analysis adjustment reminding sound volume of environment, it is characterized in that, comprising:
Set up mobile phone decibel volume conversion table;
Calling mobile phone present mode, if bell mode, sets aside some time and realizes gradual change vibrations;
Mobile phone gathers ambient noise in one section of acquisition time, and ambient noise is converted to ambient sound;
Consider time factor, new ambient sound is weighted to obtain to ambient sound and time; And
Decibel and the decibel volume conversion table of ambient sound representative contrast, and regulate mobile phone current prompt volume.
2. the method for the adjustment of the speech analysis based on environment reminding sound volume according to claim 1, it is characterized in that, described mobile phone decibel volume conversion table comprises decibel range and mobile phone prompt tone value corresponding to decibel range, and decibel is higher, and mobile phone prompt tone value is larger.
3. the method for the adjustment of the speech analysis based on environment reminding sound volume according to claim 2, it is characterized in that, when ambient noise reaches the peak of mobile phone decibel volume conversion table setting, mobile phone is jingle bell+vibrating mode.
4. the method for the adjustment of the speech analysis based on environment reminding sound volume according to claim 1, it is characterized in that, the preparation method of ambient sound decibel is:
Step 1, mobile phone gathers ambient noise and extracts amplitude of wave form,
Step 2, is converted into digital signal by amplitude of wave form,
Step 3, obtains the noise waveform mean value of amplitude of one section of acquisition time according to digital signal,
Step 4, adopt Lp=20log (p1/p2) dB to obtain ambient sound decibel, wherein p1 is the noise waveform mean value of amplitude obtained, and p2 is the acoustic pressure of reference value.
5. the method for the adjustment of the speech analysis based on environment reminding sound volume according to claim 4, is characterized in that, the acoustic pressure P2=20 μ P of reference value.
6. the method for the adjustment of the speech analysis based on environment reminding sound volume according to claim 4, is characterized in that, considers that time factor to the concrete grammar that ambient sound and time are weighted to obtain new ambient sound is:
T mobile phone gathers ambient noise at set intervals, acquisition ambient sound and time adopt Lp'=Lp+nt × 10% to be weighted, obtain new ambient sound and decibel volume conversion table contrasts, regulate mobile phone current prompt sound, the wherein ambient sound decibel that once obtains before being of Lp, Lp' is ambient sound decibel new after weighting, and n is positive integer;
If ring time exceedes the maximum duration of setting, mobile phone prompt tone is set to maximum;
If ring time exceedes the vibrations time of setting, open vibrations, the time of wherein shaking is greater than maximum duration.
7., based on a system for the speech analysis adjustment reminding sound volume of environment, it is characterized in that, comprising:
Memory module (1), for storing a decibel volume conversion table;
Sound acquisition module (2), for gathering ambient noise;
Amplitude of wave form extraction module (3), for extracting the amplitude of wave form of the ambient noise of collection;
A/D modular converter (4), for being converted to digital signal by amplitude of wave form;
Processing module (5), for obtaining noise waveform mean value of amplitude according to digital signal and obtaining ambient sound, and considers that time factor is weighted ambient sound and time;
Judge module (6), for judging whether mobile phone is answered within the specific time;
Comparison module (7), the contrast between the decibel represented for ambient sound and decibel volume conversion table; And
Adjustment volume module (8), for regulating mobile phone reminding sound volume.
8. the system of speech analysis adjustment reminding sound volume according to claim 7, it is characterized in that, processing module (5) comprising:
Noise waveform mean value of amplitude computing module (51), for calculating noise waveform mean value of amplitude in one section of acquisition time according to digital signal;
Ambient sound decibel computing module (52), for obtaining ambient sound decibel according to noise waveform mean value of amplitude and the reference value acoustic pressure pre-entering system; And
Ranking operation module (53), for ambient sound and the ranking operation of time.
9. the system of speech analysis adjustment reminding sound volume according to claim 8, it is characterized in that, ambient sound decibel computing module (52) adopts Lp=20log (p1/p2) dB to obtain ambient sound decibel, wherein p1 is the noise waveform mean value of amplitude obtained, and p2 is the acoustic pressure of reference value.
10. the system of speech analysis adjustment reminding sound volume according to claim 8, it is characterized in that, ranking operation module (53) adopts Lp'=Lp+nt × 10% pair ambient sound and time to be weighted, the wherein ambient sound decibel that once obtains before being of Lp, Lp' is ambient sound decibel new after weighting, and n is positive integer.
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Cited By (11)
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| CN105262887A (en) * | 2015-09-07 | 2016-01-20 | 惠州Tcl移动通信有限公司 | Mobile terminal and audio setting method thereof |
| CN105469794A (en) * | 2015-12-08 | 2016-04-06 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN105763736A (en) * | 2016-04-06 | 2016-07-13 | 上海斐讯数据通信技术有限公司 | Adaptive noise volume regulating device, method thereof and mobile terminal |
| WO2017120904A1 (en) * | 2016-01-15 | 2017-07-20 | 常平 | Method for adjusting volume level on the basis of surrounding environment and audio player |
| WO2017120903A1 (en) * | 2016-01-15 | 2017-07-20 | 常平 | Information pushing method during volume adjustment, and audio plaer |
| CN107493376A (en) * | 2017-07-05 | 2017-12-19 | 宇龙计算机通信科技(深圳)有限公司 | A kind of ringing volume adjusting method and device |
| CN107657954A (en) * | 2017-10-27 | 2018-02-02 | 成都常明信息技术有限公司 | A kind of Intelligent volume speech robot people |
| CN108206883A (en) * | 2016-12-20 | 2018-06-26 | 北京小米移动软件有限公司 | The method and device of terminal notifying |
| CN108446091A (en) * | 2018-02-26 | 2018-08-24 | 浙江创课教育科技有限公司 | Language play back system based on noise measuring |
| CN110233935A (en) * | 2019-06-03 | 2019-09-13 | 联想(北京)有限公司 | Control method and control system |
| US10440464B2 (en) | 2017-08-18 | 2019-10-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for adjusting volume, terminal device and storage medium |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105262887A (en) * | 2015-09-07 | 2016-01-20 | 惠州Tcl移动通信有限公司 | Mobile terminal and audio setting method thereof |
| CN105262887B (en) * | 2015-09-07 | 2020-05-05 | 惠州Tcl移动通信有限公司 | Mobile terminal and audio setting method thereof |
| CN105469794B (en) * | 2015-12-08 | 2019-09-24 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| CN105469794A (en) * | 2015-12-08 | 2016-04-06 | 联想(北京)有限公司 | Information processing method and electronic equipment |
| WO2017120904A1 (en) * | 2016-01-15 | 2017-07-20 | 常平 | Method for adjusting volume level on the basis of surrounding environment and audio player |
| WO2017120903A1 (en) * | 2016-01-15 | 2017-07-20 | 常平 | Information pushing method during volume adjustment, and audio plaer |
| CN105763736A (en) * | 2016-04-06 | 2016-07-13 | 上海斐讯数据通信技术有限公司 | Adaptive noise volume regulating device, method thereof and mobile terminal |
| CN108206883A (en) * | 2016-12-20 | 2018-06-26 | 北京小米移动软件有限公司 | The method and device of terminal notifying |
| CN107493376A (en) * | 2017-07-05 | 2017-12-19 | 宇龙计算机通信科技(深圳)有限公司 | A kind of ringing volume adjusting method and device |
| US10440464B2 (en) | 2017-08-18 | 2019-10-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for adjusting volume, terminal device and storage medium |
| CN107657954A (en) * | 2017-10-27 | 2018-02-02 | 成都常明信息技术有限公司 | A kind of Intelligent volume speech robot people |
| CN108446091A (en) * | 2018-02-26 | 2018-08-24 | 浙江创课教育科技有限公司 | Language play back system based on noise measuring |
| CN110233935A (en) * | 2019-06-03 | 2019-09-13 | 联想(北京)有限公司 | Control method and control system |
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