BR9708834A - Dispositivo sistema e aparelho de realçamento de audio sistema de computador que amplia a imagem espacial perceptivel de sinais sonoros processos de realçamento de som e de um grupo de sinais de origem de audio gerados para reprodução de um ambiente de som de efeito envolvente - Google Patents

Dispositivo sistema e aparelho de realçamento de audio sistema de computador que amplia a imagem espacial perceptivel de sinais sonoros processos de realçamento de som e de um grupo de sinais de origem de audio gerados para reprodução de um ambiente de som de efeito envolvente

Info

Publication number
BR9708834A
BR9708834A BR9708834A BR9708834A BR9708834A BR 9708834 A BR9708834 A BR 9708834A BR 9708834 A BR9708834 A BR 9708834A BR 9708834 A BR9708834 A BR 9708834A BR 9708834 A BR9708834 A BR 9708834A
Authority
BR
Brazil
Prior art keywords
sound
audio
enhancement
enlarges
reproduction
Prior art date
Application number
BR9708834A
Other languages
English (en)
Inventor
Arnold I Klayman
Original Assignee
Srs Labs Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Srs Labs Inc filed Critical Srs Labs Inc
Publication of BR9708834A publication Critical patent/BR9708834A/pt

Links

Classifications

    • 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
    • G10L19/008—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 
    • 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 
    • 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 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved

Landscapes

  • 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)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR9708834A 1996-04-30 1997-04-28 Dispositivo sistema e aparelho de realçamento de audio sistema de computador que amplia a imagem espacial perceptivel de sinais sonoros processos de realçamento de som e de um grupo de sinais de origem de audio gerados para reprodução de um ambiente de som de efeito envolvente BR9708834A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/641,319 US5970152A (en) 1996-04-30 1996-04-30 Audio enhancement system for use in a surround sound environment
PCT/US1997/006995 WO1997041711A1 (en) 1996-04-30 1997-04-28 Audio enhancement system for use in a surround sound environment

Publications (1)

Publication Number Publication Date
BR9708834A true BR9708834A (pt) 1999-08-03

Family

ID=24571865

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9708834A BR9708834A (pt) 1996-04-30 1997-04-28 Dispositivo sistema e aparelho de realçamento de audio sistema de computador que amplia a imagem espacial perceptivel de sinais sonoros processos de realçamento de som e de um grupo de sinais de origem de audio gerados para reprodução de um ambiente de som de efeito envolvente

Country Status (10)

Country Link
US (1) US5970152A (pt)
EP (1) EP0897651A1 (pt)
JP (1) JP2001501784A (pt)
KR (1) KR20000065108A (pt)
CN (1) CN1227951C (pt)
AU (1) AU2743597A (pt)
BR (1) BR9708834A (pt)
CA (1) CA2252595A1 (pt)
TW (1) TW309691B (pt)
WO (1) WO1997041711A1 (pt)

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Also Published As

Publication number Publication date
TW309691B (en) 1997-07-01
AU2743597A (en) 1997-11-19
CA2252595A1 (en) 1997-11-06
CN1227951C (zh) 2005-11-16
KR20000065108A (ko) 2000-11-06
US5970152A (en) 1999-10-19
JP2001501784A (ja) 2001-02-06
EP0897651A1 (en) 1999-02-24
WO1997041711A1 (en) 1997-11-06
CN1223064A (zh) 1999-07-14

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