RU2393646C1 - Усовершенствованный способ для формирования сигнала при восстановлении многоканального аудио - Google Patents

Усовершенствованный способ для формирования сигнала при восстановлении многоканального аудио Download PDF

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RU2393646C1
RU2393646C1 RU2008142565/09A RU2008142565A RU2393646C1 RU 2393646 C1 RU2393646 C1 RU 2393646C1 RU 2008142565/09 A RU2008142565/09 A RU 2008142565/09A RU 2008142565 A RU2008142565 A RU 2008142565A RU 2393646 C1 RU2393646 C1 RU 2393646C1
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signal
direct
direct signal
recovery unit
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RU2008142565A (ru
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Саша ДИШ (DE)
Саша ДИШ
Карстен ЛИНЦМАЙЕР (DE)
Карстен ЛИНЦМАЙЕР
Юрген ХЕРРЕ (DE)
Юрген ХЕРРЕ
Харальд ПОПП (DE)
Харальд ПОПП
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Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф.
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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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (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)
RU2008142565/09A 2006-03-28 2006-05-18 Усовершенствованный способ для формирования сигнала при восстановлении многоканального аудио RU2393646C1 (ru)

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US78709606P 2006-03-28 2006-03-28
US60/787,096 2006-03-28

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RU2393646C1 true RU2393646C1 (ru) 2010-06-27

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US (1) US8116459B2 (enExample)
EP (1) EP1999997B1 (enExample)
JP (1) JP5222279B2 (enExample)
KR (1) KR101001835B1 (enExample)
CN (1) CN101406073B (enExample)
AT (1) ATE505912T1 (enExample)
AU (1) AU2006340728B2 (enExample)
BR (1) BRPI0621499B1 (enExample)
CA (1) CA2646961C (enExample)
DE (1) DE602006021347D1 (enExample)
ES (1) ES2362920T3 (enExample)
IL (1) IL194064A (enExample)
MX (1) MX2008012324A (enExample)
MY (1) MY143234A (enExample)
NO (1) NO339914B1 (enExample)
PL (1) PL1999997T3 (enExample)
RU (1) RU2393646C1 (enExample)
TW (1) TWI314024B (enExample)
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Cited By (2)

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RU2741486C1 (ru) * 2014-03-24 2021-01-26 Нтт Докомо, Инк. Устройство аудиодекодирования, устройство аудиокодирования, способ аудиодекодирования, способ аудиокодирования, программа аудиодекодирования и программа аудиокодирования

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RU2741486C1 (ru) * 2014-03-24 2021-01-26 Нтт Докомо, Инк. Устройство аудиодекодирования, устройство аудиокодирования, способ аудиодекодирования, способ аудиокодирования, программа аудиодекодирования и программа аудиокодирования

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US8116459B2 (en) 2012-02-14
EP1999997B1 (en) 2011-04-13
KR101001835B1 (ko) 2010-12-15
AU2006340728B2 (en) 2010-08-19
MY143234A (en) 2011-04-15
HK1120699A1 (en) 2009-04-03
US20070236858A1 (en) 2007-10-11
CA2646961A1 (en) 2007-10-04
KR20080107446A (ko) 2008-12-10
ZA200809187B (en) 2009-11-25
PL1999997T3 (pl) 2011-09-30
RU2008142565A (ru) 2010-05-10
ES2362920T3 (es) 2011-07-15
JP2009531724A (ja) 2009-09-03
CN101406073B (zh) 2013-01-09
NO20084409L (no) 2008-10-21
BRPI0621499B1 (pt) 2022-04-12
ATE505912T1 (de) 2011-04-15
TWI314024B (en) 2009-08-21
IL194064A (en) 2014-08-31
DE602006021347D1 (de) 2011-05-26
BRPI0621499A2 (pt) 2011-12-13
AU2006340728A1 (en) 2007-10-04
CN101406073A (zh) 2009-04-08
WO2007110101A1 (en) 2007-10-04
TW200738037A (en) 2007-10-01
CA2646961C (en) 2013-09-03
MX2008012324A (es) 2008-10-10
NO339914B1 (no) 2017-02-13
JP5222279B2 (ja) 2013-06-26
EP1999997A1 (en) 2008-12-10

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