CN101048935B - 控制音频信号的单位响度或部分单位响度的方法和设备 - Google Patents
控制音频信号的单位响度或部分单位响度的方法和设备 Download PDFInfo
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- CN101048935B CN101048935B CN2005800367607A CN200580036760A CN101048935B CN 101048935 B CN101048935 B CN 101048935B CN 2005800367607 A CN2005800367607 A CN 2005800367607A CN 200580036760 A CN200580036760 A CN 200580036760A CN 101048935 B CN101048935 B CN 101048935B
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Classifications
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- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
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- G—PHYSICS
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- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- G—PHYSICS
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- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
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- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
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- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
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- H—ELECTRICITY
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- H03G9/14—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for gain control and tone control
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- H03G9/20—Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers
- H03G9/24—Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers having semiconductor devices
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- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
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Abstract
Description
Claims (126)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62245804P | 2004-10-26 | 2004-10-26 | |
US60/622,458 | 2004-10-26 | ||
US63860704P | 2004-12-21 | 2004-12-21 | |
US60/638,607 | 2004-12-21 | ||
PCT/US2005/038579 WO2006047600A1 (en) | 2004-10-26 | 2005-10-25 | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101048935A CN101048935A (zh) | 2007-10-03 |
CN101048935B true CN101048935B (zh) | 2011-03-23 |
Family
ID=35788286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800367607A Active CN101048935B (zh) | 2004-10-26 | 2005-10-25 | 控制音频信号的单位响度或部分单位响度的方法和设备 |
Country Status (12)
Country | Link |
---|---|
US (23) | US8090120B2 (zh) |
EP (2) | EP2262108B1 (zh) |
JP (1) | JP5101292B2 (zh) |
KR (1) | KR101261212B1 (zh) |
CN (1) | CN101048935B (zh) |
AU (1) | AU2005299410B2 (zh) |
BR (1) | BRPI0518278B1 (zh) |
CA (1) | CA2581810C (zh) |
HK (1) | HK1103936A1 (zh) |
IL (1) | IL182097A (zh) |
MX (1) | MX2007005027A (zh) |
WO (1) | WO2006047600A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103580632A (zh) * | 2012-08-01 | 2014-02-12 | 哈曼贝克自动***股份有限公司 | 自动响度控制 |
US11875805B2 (en) | 2013-04-05 | 2024-01-16 | Dolby International Ab | Audio encoder and decoder for interleaved waveform coding |
Families Citing this family (201)
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US7928310B2 (en) * | 2002-11-12 | 2011-04-19 | MediaLab Solutions Inc. | Systems and methods for portable audio synthesis |
JP2004320628A (ja) * | 2003-04-18 | 2004-11-11 | Mitsubishi Electric Corp | 音響装置 |
BRPI0410740A (pt) | 2003-05-28 | 2006-06-27 | Dolby Lab Licensing Corp | método, aparelho e programa de computador para calcular e ajustar o volume percebido de um sinal de áudio |
US8199933B2 (en) | 2004-10-26 | 2012-06-12 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
CA2581810C (en) | 2004-10-26 | 2013-12-17 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
EP1816891A1 (en) * | 2004-11-10 | 2007-08-08 | Hiroshi Sekiguchi | Sound electronic circuit and method for adjusting sound level thereof |
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