JP5101292B2 - オーディオ信号の感知音量及び／又は感知スペクトルバランスの計算と調整 - Google Patents

オーディオ信号の感知音量及び／又は感知スペクトルバランスの計算と調整 Download PDF

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Publication number
JP5101292B2
JP5101292B2 JP2007539070A JP2007539070A JP5101292B2 JP 5101292 B2 JP5101292 B2 JP 5101292B2 JP 2007539070 A JP2007539070 A JP 2007539070A JP 2007539070 A JP2007539070 A JP 2007539070A JP 5101292 B2 JP5101292 B2 JP 5101292B2
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Prior art keywords
specific loudness
audio signal
loudness
volume
audio
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JP2008518565A (ja
JP2008518565A5 (enExample
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シーフェルト、アラン・ジェフリー
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ドルビー ラボラトリーズ ライセンシング コーポレイション
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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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • 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
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • 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
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • 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
    • H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Control Of Amplification And Gain Control (AREA)
JP2007539070A 2004-10-26 2005-10-25 オーディオ信号の感知音量及び／又は感知スペクトルバランスの計算と調整 Expired - Lifetime JP5101292B2 (ja)

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 (3)

Publication Number Publication Date
JP2008518565A JP2008518565A (ja) 2008-05-29
JP2008518565A5 JP2008518565A5 (enExample) 2008-12-18
JP5101292B2 true JP5101292B2 (ja) 2012-12-19

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JP2007539070A Expired - Lifetime JP5101292B2 (ja) 2004-10-26 2005-10-25 オーディオ信号の感知音量及び／又は感知スペクトルバランスの計算と調整

Country Status (11)

Country Link
US (23) US8090120B2 (enExample)
EP (2) EP2262108B1 (enExample)
JP (1) JP5101292B2 (enExample)
KR (1) KR101261212B1 (enExample)
CN (1) CN101048935B (enExample)
AU (1) AU2005299410B2 (enExample)
BR (1) BRPI0518278B1 (enExample)
CA (1) CA2581810C (enExample)
IL (1) IL182097A (enExample)
MX (1) MX2007005027A (enExample)
WO (1) WO2006047600A1 (enExample)

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US10720898B2 (en) 2020-07-21
AU2005299410A1 (en) 2006-05-04
US10396738B2 (en) 2019-08-27
CN101048935A (zh) 2007-10-03
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US20170338785A1 (en) 2017-11-23
US20190115891A1 (en) 2019-04-18
US9608584B2 (en) 2017-03-28
US10476459B2 (en) 2019-11-12
US9979366B2 (en) 2018-05-22
CN101048935B (zh) 2011-03-23
US20190115887A1 (en) 2019-04-18
US20170155368A1 (en) 2017-06-01
US20170338784A1 (en) 2017-11-23
EP2262108B1 (en) 2017-03-01
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US20190115888A1 (en) 2019-04-18

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