KR100666815B1 - 스테레오 신호 또는 멀티채널 신호의 채널을 발생하는 잔향기 및 잔향방법 - Google Patents

스테레오 신호 또는 멀티채널 신호의 채널을 발생하는 잔향기 및 잔향방법 Download PDF

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KR100666815B1
KR100666815B1 KR1020057018212A KR20057018212A KR100666815B1 KR 100666815 B1 KR100666815 B1 KR 100666815B1 KR 1020057018212 A KR1020057018212 A KR 1020057018212A KR 20057018212 A KR20057018212 A KR 20057018212A KR 100666815 B1 KR100666815 B1 KR 100666815B1
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stereo
signal
balance
parameter
mono
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KR20050100012A (ko
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프레드릭 헨
크리스토퍼 크졸링
라스 구스타프 릴제리드
조나스 로덴
조나스 엔그데가아드
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코딩 테크놀러지스 에이비
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Priority claimed from SE0102481A external-priority patent/SE0102481D0/xx
Priority claimed from SE0200796A external-priority patent/SE0200796D0/xx
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020057018212A 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호의 채널을 발생하는 잔향기 및 잔향방법 Expired - Lifetime KR100666815B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
SE0102481A SE0102481D0 (sv) 2001-07-10 2001-07-10 Parametric stereo coding for low bitrate applications
SE0102481-9 2001-07-10
SE0200796A SE0200796D0 (sv) 2002-03-15 2002-03-15 Parametic Stereo Coding for Low Bitrate Applications
SE0200796-1 2002-03-15
SE0202159-0 2002-07-09
SE0202159A SE0202159D0 (sv) 2001-07-10 2002-07-09 Efficientand scalable parametric stereo coding for low bitrate applications

Related Parent Applications (1)

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KR1020047000072A Division KR100649299B1 (ko) 2001-07-10 2002-07-10 저 비트레이트 오디오 코딩 적용을 위한 효율적인스케일러블 파라미터 스테레오 코딩 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20050100012A KR20050100012A (ko) 2005-10-17
KR100666815B1 true KR100666815B1 (ko) 2007-01-09

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Application Number Title Priority Date Filing Date
KR1020057018175A Expired - Lifetime KR100666813B1 (ko) 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호로부터 유도된 밸런스 값을 보간하는 방법 및 장치
KR1020057018171A Expired - Lifetime KR100679376B1 (ko) 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호의 전력 스펙트럼 포락선을 인코딩 그리고 디코딩하는 방법 및 장치
KR1020057018180A Expired - Lifetime KR100666814B1 (ko) 2001-07-10 2002-07-10 스테레오 폭 파라미터를 보간하는 장치 및 방법, 그리고 의사 스테레오 발생기
KR1020047000072A Expired - Lifetime KR100649299B1 (ko) 2001-07-10 2002-07-10 저 비트레이트 오디오 코딩 적용을 위한 효율적인스케일러블 파라미터 스테레오 코딩 방법 및 장치
KR1020057018212A Expired - Lifetime KR100666815B1 (ko) 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호의 채널을 발생하는 잔향기 및 잔향방법

Family Applications Before (4)

Application Number Title Priority Date Filing Date
KR1020057018175A Expired - Lifetime KR100666813B1 (ko) 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호로부터 유도된 밸런스 값을 보간하는 방법 및 장치
KR1020057018171A Expired - Lifetime KR100679376B1 (ko) 2001-07-10 2002-07-10 스테레오 신호 또는 멀티채널 신호의 전력 스펙트럼 포락선을 인코딩 그리고 디코딩하는 방법 및 장치
KR1020057018180A Expired - Lifetime KR100666814B1 (ko) 2001-07-10 2002-07-10 스테레오 폭 파라미터를 보간하는 장치 및 방법, 그리고 의사 스테레오 발생기
KR1020047000072A Expired - Lifetime KR100649299B1 (ko) 2001-07-10 2002-07-10 저 비트레이트 오디오 코딩 적용을 위한 효율적인스케일러블 파라미터 스테레오 코딩 방법 및 장치

Country Status (13)

Country Link
US (8) US7382886B2 (enExample)
EP (9) EP1603119B1 (enExample)
JP (10) JP4447317B2 (enExample)
KR (5) KR100666813B1 (enExample)
CN (7) CN101887724B (enExample)
AT (5) ATE443909T1 (enExample)
DE (5) DE60233835D1 (enExample)
DK (4) DK2015292T3 (enExample)
ES (7) ES2338891T3 (enExample)
HK (4) HK1080979B (enExample)
PT (2) PT1603118T (enExample)
SE (1) SE0202159D0 (enExample)
WO (1) WO2003007656A1 (enExample)

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EP2015292A1 (en) 2009-01-14
US8059826B2 (en) 2011-11-15
SE0202159D0 (sv) 2002-07-09
HK1145728A1 (en) 2011-04-29
JP2006087130A (ja) 2006-03-30
KR20050099559A (ko) 2005-10-13
ATE464636T1 (de) 2010-04-15
ATE456124T1 (de) 2010-02-15
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JP4878384B2 (ja) 2012-02-15
EP1603119A3 (en) 2008-02-06
EP2249336B1 (en) 2012-09-12
DE60206390D1 (de) 2005-11-03
EP1410687B1 (en) 2005-09-28
KR100666814B1 (ko) 2007-01-09
PT1603118T (pt) 2017-12-22
CN101996634A (zh) 2011-03-30
DK3104367T3 (en) 2019-04-15
US7382886B2 (en) 2008-06-03
CN101887724A (zh) 2010-11-17
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CN1758338B (zh) 2010-11-17
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ES2248570T3 (es) 2006-03-16
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JP2011101406A (ja) 2011-05-19
JP2010020342A (ja) 2010-01-28
KR100679376B1 (ko) 2007-02-05
CN1758338A (zh) 2006-04-12
US9218818B2 (en) 2015-12-22
DK2015292T3 (da) 2010-01-04
EP1600945A2 (en) 2005-11-30
DE60236028D1 (de) 2010-05-27
CN1758335A (zh) 2006-04-12
HK1124950A1 (en) 2009-07-24
KR100649299B1 (ko) 2006-11-24
JP5186444B2 (ja) 2013-04-17
DE60233835D1 (de) 2009-11-05
US20050053242A1 (en) 2005-03-10
DE60239299D1 (de) 2011-04-07
JP2006087131A (ja) 2006-03-30
EP1600945B1 (en) 2011-02-23
ES2333278T3 (es) 2010-02-18
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ATE443909T1 (de) 2009-10-15
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US20100046761A1 (en) 2010-02-25
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US20120213377A1 (en) 2012-08-23
HK1080206A1 (en) 2006-04-21
JP2012181539A (ja) 2012-09-20
JP4786987B2 (ja) 2011-10-05
ATE305715T1 (de) 2005-10-15
EP1603118A3 (en) 2008-02-20
DK2249336T3 (da) 2013-01-02
KR20050099560A (ko) 2005-10-13
PT3104367T (pt) 2019-03-14
US20060023895A1 (en) 2006-02-02
US8081763B2 (en) 2011-12-20
DE60235208D1 (de) 2010-03-11
JP5427270B2 (ja) 2014-02-26
US8073144B2 (en) 2011-12-06
HK1080206B (en) 2010-07-23
HK1080208B (en) 2011-04-29
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KR20040019042A (ko) 2004-03-04
HK1232335A1 (en) 2018-01-05

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