KR101001835B1 - 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법 - Google Patents

멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법 Download PDF

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KR101001835B1
KR101001835B1 KR1020087023892A KR20087023892A KR101001835B1 KR 101001835 B1 KR101001835 B1 KR 101001835B1 KR 1020087023892 A KR1020087023892 A KR 1020087023892A KR 20087023892 A KR20087023892 A KR 20087023892A KR 101001835 B1 KR101001835 B1 KR 101001835B1
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direct signal
downmix
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KR20080107446A (ko
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사차 디치
카르스텐 린츠마이어
유르겐 헤어
하랄드 포프
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프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
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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)
KR1020087023892A 2006-03-28 2006-05-18 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법 Active KR101001835B1 (ko)

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

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KR20080107446A KR20080107446A (ko) 2008-12-10
KR101001835B1 true KR101001835B1 (ko) 2010-12-15

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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)
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DE (1) DE602006021347D1 (enExample)
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PL (1) PL1999997T3 (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
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
JP5222279B2 (ja) 2013-06-26
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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