CN1953047A - Control system of volume range and method thereof - Google Patents
Control system of volume range and method thereof Download PDFInfo
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- CN1953047A CN1953047A CN200510031033.3A CN200510031033A CN1953047A CN 1953047 A CN1953047 A CN 1953047A CN 200510031033 A CN200510031033 A CN 200510031033A CN 1953047 A CN1953047 A CN 1953047A
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- volume
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- volume range
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Abstract
This invention discloses a analogue integration system and its method applied in one display device, wherein, the system comprises one record unit, one sample unit and one process unit, wherein, the record unit has one music file; the sample unit processes one sample operation to generate multiple music sample values; the process unit computes these sound sample even value to adjust play device output volume range; the play device output volume of music file to achieve automatically volume range.
Description
Technical field
The present invention is relevant for a kind of control system of volume range and method thereof, especially in regard to a kind of control system of volume range and method thereof that is applicable to a playing device.
Background technology
Along with development of technology, digital music (Digital music) be present internet (internet) with consumption electronic products in quite popular product, and wherein with audio compression and storage standard (MPEG Audio Layer3, MP3) popular.Many related web sites and playout software are not only arranged on network, the multimedia player of special broadcast is also arranged.
Yet, with regard to existing technology and environment for use, digital music be stored in the website more and with network as the route of transmission.Wherein, original setting volume of different music archive is all difference, therefore causes multimedia player with the same settings volume, and when playing different music archive, the volume of output is inequality.For example, when multimedia player is play the music archive that originally the setting volume was very low, can't reach suitable volume, must transfer the setting volume of multimedia player big by the user.If then play next song, and during next song music archive that be original setting volume very high, the volume of playing device is too loud with causing, and frightens the user, and the user then must readjust the volume of playing device.So, user's inconvenience will be caused.
Therefore, the inventor inquires into based on many practical experience and special topic, satisfies in the present invention to propose a kind of control system of volume range and method thereof with as the implementation of stating expectation and foundation.
Summary of the invention
Because known described multimedia player can't be adjusted broadcast sound volume automatically, the present invention discloses a kind of control system of volume range, is applicable on the playing device just like multimedia player.Native system comprises a record cell, a sampling unit and a processing unit.Record cell has at least one music archive.Sampling unit carries out a sampling action according to music archive, to produce a plurality of volume sampling values.Processing unit calculates the mean value between those volume sampling values, and according to a mean value and a standard value, adjusts an output volume scope of playing device.And say that playing device is according to output volume scope outputting music archives.
From the above, because of according to a kind of volume range method of adjustment of the present invention, be applicable in the playing device.This method comprises the following step at least: a record cell is set, has at least one music archive.One sampling unit is provided, carries out a sampling action, to produce a plurality of volume sampling values according to music archive.By a processing unit, one of calculate between those volume sampling values mean value, and, adjust an output volume scope of playing device according to a mean value and a standard value.See through playing device according to output volume scope outputting music archives.By this, to reach the purpose of automatic regulating volume scope.
Further understand and understanding for technical characterictic of the present invention and the effect reached are had, careful assistant with preferred embodiment and cooperate detailed explanation as after.
Description of drawings
Fig. 1 is the block schematic diagram of control system of volume range of the present invention;
Fig. 2 is the volume coordinate diagram of the music archive of one embodiment of the invention;
Fig. 3 is the process flow diagram of the volume range method of adjustment of one embodiment of the invention;
Fig. 4 is the processing flow chart of the volume range method of adjustment of one embodiment of the invention; And
Fig. 5 is the process flow diagram of the playing back music archives of one embodiment of the invention.
Embodiment
Hereinafter with reference to relevant drawings, a kind of control system of volume range and method thereof according to preferred embodiment of the present invention are described, wherein identical assembly will be illustrated with identical reference marks.
See also Fig. 1, be the block schematic diagram of control system of volume range of the present invention, and be applicable on the playing device just like multimedia player.Among the figure, comprise a record cell 12, a sampling unit 13, a processing unit 14 and a source of sound output unit 15 in the control system of volume range 11.Has at least one music archive 121 in the record cell 12.Sampling unit 13 carries out a sampling action according to music archive 121, to produce a plurality of volume sampling values 131.Processing unit 14 calculates a mean value of 131 of those volume sampling values, and according to a mean value and a standard value 141, adjusts an output volume scope.Source of sound output unit 15 is according to output volume scope outputting music archives 121.Wherein, when mean value overgauge value 141, processing unit 14 reduces the output volume scope with ratio, and when mean value during less than standard value 141, processing unit 14 improves the output volume scope with ratio.And processing unit 14 also writes down the output volume scope to record cell 12, uses during for playing back music archives 121 once more.In addition, music archive can be a MP3 (MPEG Audio Layer-3) music format, a WMA (Windows MediaAudio) music format, an OGG music format or an ASF (Audio Steaming format) music format.
Wherein, sampling unit is chosen a plurality of sampling spots according to thematic distributing position on the music archive 121, and produces corresponding a plurality of volume sampling value according to those sampling spots.And the number number of sampling spot depends on the executive capability of playing device, and when the executive capability of playing device is strong more, the number of sampling spot will be many more, and the mean value that promptly is provided in processing unit is more for accurately.Seeing also Fig. 2, for the volume coordinate diagram of the music archive of one embodiment of the invention, is example with a bit of music archive.Have a transverse axis 22, a longitudinal axis 23 and a plurality of sampling spot 24 (representing) among volume coordinate Figure 21 with square.Wherein, the frequency of each music signal in the transverse axis 22 expression music archive, the longitudinal axis 23 is then represented corresponding volume.Sampling unit corresponds to the longitudinal axis 23 to produce corresponding a plurality of volume sampling value according to those sampling spots 24, with sampling spot 241 and sampling spot 242 is example, the volume sampling value 231 of sampling spot 241 is 10dB, and the volume sampling value 232 of sampling spot 242 is-106dB, by that analogy, and then produce a plurality of volume sampling values, carry out one for processing unit and handle action.In addition, when processing unit receives those volume sampling values,,, and calculate mean value between remaining volume sampling value as the volume sampling value of sampling spot 241, sampling spot 242, sampling spot 243 and sampling spot 244 with removing too high or too low data.
See also Fig. 3, be the process flow diagram of the volume range method of adjustment of one embodiment of the invention.At least comprise the following step:, a record cell is set, and has at least one music archive S31 by beginning expansion.One sampling unit is provided, carries out a sampling action, to produce a plurality of volume sampling value S32 according to music archive.By a processing unit, calculate the mean value between those volume sampling values, and, adjust an output volume scope S33 of playing device according to a mean value and a standard value.See through playing device according to output volume scope outputting music archives S34.At last, finish whole flow process.By this, reach the purpose of automatic regulating volume scope.
Continue, see also Fig. 4, be the processing flow chart of the volume range method of adjustment of one embodiment of the invention.At least comprise the following step: by beginning expansion, processing unit calculates the mean value S41 between those volume sampling values.And compare a mean value and a standard value, to calculate a difference value S42 between the two.Judge whether overgauge value S43 of mean value according to difference value, if, then reduce the output volume scope S44 of playing device according to the difference value ratio, write down adjusted output volume scope to record cell S45 by processing unit again.If not, then improve the output volume scope S46 of playing device, and write down adjusted output volume scope, use when playing this music archive once more, finish whole flow process according to the difference value ratio.
Continue to see also Fig. 5, be the process flow diagram of the playing back music archives of one embodiment of the invention.Setting volume range with playing device is 2 to be example, comprises the following step at least: launch by beginning, playing device reads the music archive S51 that desire is play, and the mean value between the volume sampling value of processing unit computational music archives is "-40dB " S52.Processing unit is mean value relatively "-40dB " and a standard value " 60dB ", and the difference value that calculates both for "-100dB " S53, be negative according to difference value, judge mean value less than standard value, and ratio improve the output volume scope to " 6 " S54.Playing device according to the output volume scope for " 6 " export this music archive S55.At last, finish whole flow process.Wherein, the output volume scope of playing device includes 0 to 10 grade, and distinguishing the size of output volume, and 0 be minimum level of sound volume, and 10 is the level of sound volume of maximum.In addition, because the less sound of original setting volume of above-mentioned music archive, so control system of volume range is adjusted to 6 grades with the output volume scope of playing device by 2 grades, has suitable volume when making playing device play this music archive.By this, to reach the purpose of automatic adjustment volume range.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the accompanying claim its equivalent modifications of carrying out or change.
Claims (22)
1. control system of volume range is applicable to that in the playing device, this control system of volume range comprises at least:
One record cell has at least one music archive;
One sampling unit carries out a sampling action according to this music archive, to produce a plurality of volume sampling values; And
One processing unit calculates the mean value between those volume sampling values, and according to this mean value and a standard value, adjusts an output volume scope of this playing device;
Wherein, this playing device is exported this music archive according to this output volume scope.
2. control system of volume range as claimed in claim 1 is characterized in that, this playing device is a multimedia player.
3. control system of volume range as claimed in claim 1 is characterized in that, this music archive is a MP3 music format.
4. control system of volume range as claimed in claim 1 is characterized in that, this music archive is a WMA music format.
5. control system of volume range as claimed in claim 1 is characterized in that, this music archive is an OGG music format.
6. control system of volume range as claimed in claim 1 is characterized in that, this music archive is an ASF music format.
7. control system of volume range as claimed in claim 1 is characterized in that, those volume sampling values are a plurality of volume values on this music archive.
8. control system of volume range as claimed in claim 7 is characterized in that, the position of those volume values is according to thematic distributing position on this music archive.
9. control system of volume range as claimed in claim 1 is characterized in that, this processing unit writes down this output volume scope to this record cell, uses when playing this music archive once more.
10. control system of volume range as claimed in claim 1 is characterized in that, this mean value is during greater than this standard value, and this processing unit reduces this output volume scope with ratio.
11. control system of volume range as claimed in claim 1 is characterized in that, this mean value is during less than this standard value, and this processing unit improves this output volume scope with ratio.
12. a volume range method of adjustment is applicable in the playing device, this volume range method of adjustment comprises at least:
One record cell is set, has at least one music archive;
One sampling unit is provided, carries out a sampling action, to produce a plurality of volume sampling values according to this music archive;
By a processing unit, calculate the mean value between those volume sampling values, and, adjust an output volume scope of this playing device according to this mean value and a standard value; And
See through this playing device and export this music archive according to this output volume scope.
13. volume range method of adjustment as claimed in claim 12 is characterized in that, also comprising provides a multimedia player as this playing device.
14. volume range method of adjustment as claimed in claim 12 is characterized in that, also comprising provides a MP3 music format as this music archive.
15. volume range method of adjustment as claimed in claim 12 is characterized in that, also comprising provides a WMA music format as this music archive.
16. volume range method of adjustment as claimed in claim 12 is characterized in that, also comprising provides an OGG music format as this music archive.
17. volume range method of adjustment as claimed in claim 12 is characterized in that, also comprising provides an ASF music format as this music archive.
18. volume range method of adjustment as claimed in claim 12 is characterized in that, also comprising provides on this music archive a plurality of volume values as those volume sampling values.
19. volume range method of adjustment as claimed in claim 18 is characterized in that, also comprises according to thematic distributing position on this music archive as the position of those volume values.
20. volume range method of adjustment as claimed in claim 12 is characterized in that, also comprises by this processing unit to write down this output volume scope to this record cell, uses when playing this music archive once more.
21. volume range method of adjustment as claimed in claim 12 is characterized in that, when also comprising this mean value greater than this standard value, this processing unit reduces this output volume scope with ratio.
22. volume range method of adjustment as claimed in claim 12 is characterized in that, when also comprising this mean value less than this standard value, this processing unit improves this output volume scope with ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510031033.3A CN1953047B (en) | 2005-10-21 | 2005-10-21 | Control system of volume range and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510031033.3A CN1953047B (en) | 2005-10-21 | 2005-10-21 | Control system of volume range and method thereof |
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| Publication Number | Publication Date |
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| CN1953047A true CN1953047A (en) | 2007-04-25 |
| CN1953047B CN1953047B (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200510031033.3A Expired - Fee Related CN1953047B (en) | 2005-10-21 | 2005-10-21 | Control system of volume range and method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281432A (en) * | 2014-09-18 | 2015-01-14 | 小米科技有限责任公司 | Method and device for regulating sound effect |
| CN109035968A (en) * | 2018-07-12 | 2018-12-18 | 杜蘅轩 | Piano study auxiliary system and piano |
| CN110010154A (en) * | 2019-03-26 | 2019-07-12 | 北京雷石天地电子技术有限公司 | A kind of volume equalization methods and device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03219800A (en) * | 1990-01-24 | 1991-09-27 | Toshiba Corp | Sound effect equipment |
| JP3889546B2 (en) * | 2000-03-30 | 2007-03-07 | 三洋電機株式会社 | Level adjustment circuit |
| EP1233509A1 (en) * | 2001-02-14 | 2002-08-21 | Thomson Licensing S.A. | Digital audio processor |
| CN100386798C (en) * | 2003-05-20 | 2008-05-07 | 联发科技股份有限公司 | Music file wave form regulating system |
-
2005
- 2005-10-21 CN CN200510031033.3A patent/CN1953047B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104281432A (en) * | 2014-09-18 | 2015-01-14 | 小米科技有限责任公司 | Method and device for regulating sound effect |
| CN109035968A (en) * | 2018-07-12 | 2018-12-18 | 杜蘅轩 | Piano study auxiliary system and piano |
| CN110010154A (en) * | 2019-03-26 | 2019-07-12 | 北京雷石天地电子技术有限公司 | A kind of volume equalization methods and device |
| CN110010154B (en) * | 2019-03-26 | 2021-04-09 | 北京雷石天地电子技术有限公司 | Volume balancing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1953047B (en) | 2010-06-23 |
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Granted publication date: 20100623 Termination date: 20211021 |