CN101079601A - Volume adjustment system of portable information processing device and its method - Google Patents
Volume adjustment system of portable information processing device and its method Download PDFInfo
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- CN101079601A CN101079601A CN 200610035625 CN200610035625A CN101079601A CN 101079601 A CN101079601 A CN 101079601A CN 200610035625 CN200610035625 CN 200610035625 CN 200610035625 A CN200610035625 A CN 200610035625A CN 101079601 A CN101079601 A CN 101079601A
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Abstract
The invention discloses a volume adjusting system and method of portable information processing device, which comprises the following parts: acoustic sensing unit, which senses acoustic unit of external environment; volume numerizing processing unit, which generates the first volume numerical data corresponding to acoustic signal; weight value calculating unit, which receives the first volume numerical data to count with first weight value to generate the second volume numerical data; output volume reference list database, which reserves the output volume reference list to give volume adjuster according to the second volume numerical data in comparison with the volume reference list; volume adjusting unit, which adjusts the volume input value of portable information processing device according to the volume adjusting value.
Description
[technical field]
The present invention is about the sound volume adjusting system and the method thereof of a kind of sound volume adjusting system and method thereof, particularly a kind of portable information processing apparatus.
[background technology]
Arriving along with the information age, portable information processing apparatus (example, hand phone, personal digital assistant, GPS device or the like) become one of indispensable instrument of business people, and using these instruments to carry out communication or music when listening to, normal noise jamming (example because of user's environment of living in, general merchandise sales field or crossroad etc.), can't know the puzzlement of listening to and produce, at this moment, the user need be by adjusting volume button, improve its volume output valve, to improve by the caused noise jamming problem of external environment.
Please refer to the Taiwan patent announcement No. 588540, this patent of invention discloses a kind of intelligent method of regulating the device for mobile communication earpiece volume, when the user utilizes a device for mobile communication to converse in an environment, can be by a central processing unit of this device for mobile communication, make a sampled voice module, through a sound input/output module, after the input data that obtain inhuman acoustic environment noise in this environment and voice voice, regulate the rule module processing of comparing by a volume, regulate parameter value to obtain volume actual required in this environment, relend by a volume parameters computing module and regulate parameter value to calculate this volume, obtain final required volume-leveling value, and by a volume control module, via this sound input/output module, with the earphone on this device for mobile communication of realization automatic control and adjustment and the transformation of a microphone volume; Even if so the user is in the noisy environment, utilize this device for mobile communication to converse, also the interference of ambient noise can be subjected to, and the volume of earphone and microphone on it can be regulated automatically.
Yet, average by sampling environmental volume and voice speech volume, and according to after inhuman acoustic environment noise and the comparison of voice voice, by volume parameters computing module compute volume regulated value, and adjustment volume output valve, so also can't accurately distinguish the volume value difference of external environment noise and voice voice, and be only applicable to the volume control of device for mobile communication.
Therefore, how to provide a kind of sound volume adjusting system and method thereof of portable information processing apparatus, become one of researcher's problem to be solved.
[summary of the invention]
In view of above problem, main purpose of the present invention is to provide a kind of sound volume adjusting system and method thereof of portable information processing apparatus, voice signal by the sensing external environment, and in addition after digitized processing and the computing, adjust the output volume value with correspondence, so as to improving noise jamming problem by external environment caused.
Therefore, for reaching above-mentioned purpose, the sound volume adjusting system of the disclosed portable information processing apparatus of the present invention includes: sound sensing cell, volume numerical value processing unit, weight value calculating unit, output volume reference table database and volume adjustment unit.
The sound sensing cell, in order to the voice signal of sensing external environment, and the sound sensing cell can pass through microphone or sound transducer.
Volume numerical value processing unit in order to the voice signal of digitized processing sound sensing cell institute sensing, to be converted to the first volume numeric data, is formed (ADC) and volume numerical value processing unit can be analog-digital converter.
Weight value calculating unit is carried out computing with the first volume numeric data and weighted value, and producing the second volume numeric data, and weighted value obtains according to the weighted value reference table.
Output volume reference table database stores the output volume reference table of setting up in advance, in order to the second volume numeric data is contrasted the output volume reference table, to obtain corresponding volume adjusted value.
The volume adjustment unit is according to the volume output valve of volume adjusted value adjustment portable information processing apparatus.
In addition, for reaching above-mentioned purpose, the method for regulation of sound volume of the disclosed portable information processing apparatus of the present invention includes:
Voice signal by sound sensing cell (example, microphone) sensing external environment;
The voice signal that senses is carried out digitized processing, to produce the first volume numeric data;
By weight value calculating unit the first volume numeric data and weighted value are carried out computing, to produce the second volume numeric data;
Obtain the volume adjusted value of the corresponding second volume numeric data by output volume reference table database;
Next, the volume adjustment unit is according to the volume output valve of volume adjusted value adjustment portable information processing apparatus, and wherein, weighted value more obtains by the weighted value reference table that is stored in output volume reference table database.
Sound volume adjusting system and method thereof by this portable information processing apparatus, utilize the voice signal of sensing external environment, and voice signal in addition after digitized processing and the computing, adjusted the volume output valve with correspondence, so as to improving by external environment caused by factors noise jamming problem.
For purpose of the present invention, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 is the system block diagrams that the present invention carried.
The flow chart of steps that Fig. 2 adjusts for the volume that the present invention carried.
Fig. 3 A is the weighted value reference table that the present invention carried.
Fig. 3 B is the output volume reference table that the present invention carried.
[embodiment]
Please refer to Fig. 1, be system block diagrams of the present invention, include: sound sensing cell 10, volume quantize processing unit 20, weight value calculating unit 30, output volume reference table database 40 and volume adjustment unit 50.
Sound sensing cell 10, in order to sensing external environmental sounds signal, and sound sensing cell 10 can be microphone or sound transducer etc.
The volume processing unit 20 that quantizes, be connected with sound sensing cell 10, the voice signal that is sensed in order to digitized processing sound sensing cell 10, and the first corresponding volume numeric data of generation, processing unit 20 can be analog-digital converter (Analog to Digital Converter ADC) forms and volume quantizes.
Weight value calculating unit 30, be connected with the volume processing unit 20 that quantizes, in order to the volume of reception volume numeric data that processing unit 20 produces that quantizes, and with the first volume numeric data and a weighted value computing, producing the second volume numeric data, and weighted value obtains according to weighted value reference table (with reference to Fig. 3 A).
Output volume reference table database 40, be connected with weight value calculating unit 30, store output volume reference table and the weighted value reference table set up in advance, with the second volume numeric data contrast output volume reference table that produces after weight value calculating unit 30 computings, to obtain the volume adjusted value of the corresponding second volume numeric data.
Volume adjustment unit 50 is connected with output volume reference table database 40, and adjusts the volume output valve according to the volume adjusted value is corresponding, and exports by volume output device (not shown).
Next, please refer to Fig. 2, be the flow chart of steps that volume of the present invention is adjusted, at first, by the voice signal (step 100) of sound sensing cell 10 sensing external environments, example is by microphone or sound transducer etc.; By the volume voice signal that processing unit 20 digitized processing sound sensing cells 10 are sensed that quantizes, the voice signal that is sensed is changed the first volume numeric data (step 101).
By weight value calculating unit 30 the first volume numeric data and weighted value are carried out computing, to produce the second volume numeric data (step 102), wherein weighted value cooperates weighted value reference table (with reference to Fig. 3 A figure) according to the first volume numeric data and determines with the difference of present volume output valve; By output volume reference table database 40 the second volume numeric data is contrasted the output volume reference table, to obtain corresponding volume adjusted value (step 103); Next, volume adjustment unit 50 volume adjusted values are adjusted volume output valve (step 104).
Below explain for example, the volume output valve is 30dB at present, when the voice signal that senses external environment and be converted to the first volume numeric data, and the first volume numeric data is 50dB, the first volume numeric data is deducted present volume output valve, its difference is 20dB, please refer to Fig. 3 A figure, its corresponding weighted value is 0.8, and obtaining the second volume numeric data by weight value calculating unit 30 is 40dB, again the second volume numeric data is deducted present volume output valve, promptly obtain 10dB, with reference to Fig. 3 B, its corresponding volume adjusted value is+5dB that promptly promoting the volume output valve is 35dB.
Relative, the volume output valve is 30dB at present, when the voice signal that senses external environment and be converted to the first volume numeric data, and the first volume numeric data is 20dB, the first volume numeric data and volume output valve are subtracted each other, its difference is 10dB, please refer to Fig. 3 A, its corresponding weighted value is 1, and obtaining the second volume numeric data by weight value calculating unit 30 is 20dB, again the second volume numeric data is deducted present volume output valve, i.e. acquisition-10dB, with reference to Fig. 3 B, its corresponding volume adjusted value is-5dB that promptly reducing the volume output valve is 25dB.
Sound volume adjusting system and method thereof by this portable information processing apparatus, utilize the voice signal of sensing external environment, and after it is carried out digitized processing and computing, obtain the corresponding volume output valve of adjusting according to the output volume reference table, to adjust the volume output valve, so as to improving by the caused noise jamming problem of external environment.
Claims (10)
1, a kind of sound volume adjusting system of portable information processing apparatus according to the variation of the voice signal of external environment, is adjusted the volume output valve of this portable information processing apparatus, includes:
One sound sensing cell, this voice signal of sensing external environment;
The one volume processing unit that quantizes, this voice signal of digitized processing is to produce the first volume numeric data that should voice signal;
One weight value calculating unit receives this first volume numeric data, and with this first a volume numeric data and a weighted value computing, to produce one second volume numeric data;
One output volume reference table database stores the output volume reference table of setting up in advance, contrasts this output volume reference table according to this second volume numeric data, to obtain a volume adjusted value; And
One volume adjustment unit is adjusted this volume output valve according to this volume adjusted value.
2, the sound volume adjusting system of portable information processing apparatus as claimed in claim 1 is characterized in that, this sound sensing cell is a microphone.
3, the sound volume adjusting system of portable information processing apparatus as claimed in claim 1 is characterized in that, this volume processing unit that quantizes is an analog-digital converter (ADC).
4, the sound volume adjusting system of portable information processing apparatus as claimed in claim 1 is characterized in that, this weighted value more obtains by a weighted value reference table.
5, the sound volume adjusting system of portable information processing apparatus as claimed in claim 4 is characterized in that, this weighted value is with reference to more being stored in this output volume reference table database.
6, a kind of method for regulation of sound volume of portable information processing apparatus according to the variation of the voice signal of external environment, is adjusted the volume output valve of this portable information processing apparatus, includes:
This voice signal of sensing external environment;
This voice signal is converted to one first volume numeric data;
With this one first a volume numeric data and a weighted value computing, to produce one second volume numeric data;
Contrast an output volume reference table, obtain volume adjusted value that should the second volume numeric data; And
Adjust this volume output valve according to this volume output adjusted value.
7, method for regulation of sound volume as claimed in claim 6 is characterized in that, by this voice signal of sound sensing cell sensing.
8, method for regulation of sound volume as claimed in claim 7 is characterized in that, the sound sensing cell is a microphone.
9, method for regulation of sound volume as claimed in claim 6 is characterized in that, changes this voice signal for this first volume numeric data by the volume processing unit that quantizes.
10, method for regulation of sound volume as claimed in claim 9 is characterized in that, this volume processing unit that quantizes is an analog-digital converter (ADC).
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101917656A (en) * | 2010-08-30 | 2010-12-15 | 鸿富锦精密工业(深圳)有限公司 | Automatic volume adjustment device and method |
CN102497466A (en) * | 2011-11-16 | 2012-06-13 | 深圳市无线开锋科技有限公司 | Communication equipment and method for automatically adjusting ringtone of communication equipment |
CN103137155A (en) * | 2011-12-05 | 2013-06-05 | 英顺源(上海)科技有限公司 | Play system with acoustical signals adjusted according to external acoustical signal changes and method thereof |
CN103546109A (en) * | 2012-07-09 | 2014-01-29 | 鸿富锦精密工业(深圳)有限公司 | Remote multiparty conference volume adjusting system and method |
CN105049642A (en) * | 2015-09-21 | 2015-11-11 | 广东欧珀移动通信有限公司 | Volume adjustment method and device for prompt tone of mobile terminal |
CN105472137A (en) * | 2015-11-19 | 2016-04-06 | 广东小天才科技有限公司 | Method and device for adjusting call volume |
CN107889028A (en) * | 2016-09-30 | 2018-04-06 | 联想(新加坡)私人有限公司 | For adjusting device, method and the computer-readable recording medium of volume |
CN112489664A (en) * | 2020-11-30 | 2021-03-12 | 广州趣丸网络科技有限公司 | Sound mixing method and device |
-
2006
- 2006-05-26 CN CN 200610035625 patent/CN101079601A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101917656A (en) * | 2010-08-30 | 2010-12-15 | 鸿富锦精密工业(深圳)有限公司 | Automatic volume adjustment device and method |
CN102497466A (en) * | 2011-11-16 | 2012-06-13 | 深圳市无线开锋科技有限公司 | Communication equipment and method for automatically adjusting ringtone of communication equipment |
CN103137155A (en) * | 2011-12-05 | 2013-06-05 | 英顺源(上海)科技有限公司 | Play system with acoustical signals adjusted according to external acoustical signal changes and method thereof |
CN103137155B (en) * | 2011-12-05 | 2016-01-20 | 英顺源(上海)科技有限公司 | According to Play System and the method thereof of external voice signal change adjustment voice signal |
CN103546109A (en) * | 2012-07-09 | 2014-01-29 | 鸿富锦精密工业(深圳)有限公司 | Remote multiparty conference volume adjusting system and method |
CN105049642A (en) * | 2015-09-21 | 2015-11-11 | 广东欧珀移动通信有限公司 | Volume adjustment method and device for prompt tone of mobile terminal |
CN105472137A (en) * | 2015-11-19 | 2016-04-06 | 广东小天才科技有限公司 | Method and device for adjusting call volume |
CN107889028A (en) * | 2016-09-30 | 2018-04-06 | 联想(新加坡)私人有限公司 | For adjusting device, method and the computer-readable recording medium of volume |
CN112489664A (en) * | 2020-11-30 | 2021-03-12 | 广州趣丸网络科技有限公司 | Sound mixing method and device |
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