JP5222279B2 - マルチチャネルオーディオ再構成における信号整形のための改善された方法 - Google Patents

マルチチャネルオーディオ再構成における信号整形のための改善された方法 Download PDF

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JP5222279B2
JP5222279B2 JP2009501862A JP2009501862A JP5222279B2 JP 5222279 B2 JP5222279 B2 JP 5222279B2 JP 2009501862 A JP2009501862 A JP 2009501862A JP 2009501862 A JP2009501862 A JP 2009501862A JP 5222279 B2 JP5222279 B2 JP 5222279B2
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JP2009531724A (ja
JP2009531724A5 (enExample
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サーシャ デッシュ
カルステン リンツマイエル
ユルゲン ヘルレ
ハラルド ポップ
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フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • 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
    • 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
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP2009501862A 2006-03-28 2006-05-18 マルチチャネルオーディオ再構成における信号整形のための改善された方法 Active JP5222279B2 (ja)

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US78709606P 2006-03-28 2006-03-28
US60/787,096 2006-03-28
PCT/EP2006/004732 WO2007110101A1 (en) 2006-03-28 2006-05-18 Enhanced method for signal shaping in multi-channel audio reconstruction

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JP2009531724A5 JP2009531724A5 (enExample) 2011-12-08
JP5222279B2 true JP5222279B2 (ja) 2013-06-26

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KR (1) KR101001835B1 (enExample)
CN (1) CN101406073B (enExample)
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AU (1) AU2006340728B2 (enExample)
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DE (1) DE602006021347D1 (enExample)
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EP1999997B1 (en) 2011-04-13
ATE505912T1 (de) 2011-04-15
KR20080107446A (ko) 2008-12-10
WO2007110101A1 (en) 2007-10-04
NO20084409L (no) 2008-10-21
MY143234A (en) 2011-04-15
AU2006340728B2 (en) 2010-08-19
NO339914B1 (no) 2017-02-13
DE602006021347D1 (de) 2011-05-26
CN101406073A (zh) 2009-04-08
KR101001835B1 (ko) 2010-12-15
JP2009531724A (ja) 2009-09-03
PL1999997T3 (pl) 2011-09-30
HK1120699A1 (en) 2009-04-03
CA2646961C (en) 2013-09-03
BRPI0621499B1 (pt) 2022-04-12
BRPI0621499A2 (pt) 2011-12-13
ES2362920T3 (es) 2011-07-15
US8116459B2 (en) 2012-02-14
ZA200809187B (en) 2009-11-25
EP1999997A1 (en) 2008-12-10
CA2646961A1 (en) 2007-10-04
AU2006340728A1 (en) 2007-10-04
MX2008012324A (es) 2008-10-10
CN101406073B (zh) 2013-01-09
IL194064A (en) 2014-08-31
RU2008142565A (ru) 2010-05-10
RU2393646C1 (ru) 2010-06-27
TW200738037A (en) 2007-10-01
US20070236858A1 (en) 2007-10-11
TWI314024B (en) 2009-08-21

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