SE0400998D0 - Method for representing multi-channel audio signals - Google Patents
Method for representing multi-channel audio signalsInfo
- Publication number
- SE0400998D0 SE0400998D0 SE0400998A SE0400998A SE0400998D0 SE 0400998 D0 SE0400998 D0 SE 0400998D0 SE 0400998 A SE0400998 A SE 0400998A SE 0400998 A SE0400998 A SE 0400998A SE 0400998 D0 SE0400998 D0 SE 0400998D0
- Authority
- SE
- Sweden
- Prior art keywords
- audio channels
- audio signals
- channel audio
- representing multi
- parameter
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 3
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- 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
-
- 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
-
- 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
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Stereophonic System (AREA)
- Stereo-Broadcasting Methods (AREA)
- Radio Relay Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (51)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0400998A SE0400998D0 (sv) | 2004-04-16 | 2004-04-16 | Method for representing multi-channel audio signals |
EP05743164A EP1695338B1 (en) | 2004-04-16 | 2005-04-12 | Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation |
AT05735201T ATE376240T1 (de) | 2004-04-16 | 2005-04-12 | Verfahren zur darstellung von mehrkanal- audiosignalen |
KR1020067021198A KR100848365B1 (ko) | 2004-04-16 | 2005-04-12 | 멀티채널 오디오 신호를 표현하는 방법 |
AT05743164T ATE373301T1 (de) | 2004-04-16 | 2005-04-12 | Vorrichtung und verfahren zur erzeugung eines pegelparameters und vorrichtung und verfahren zur erzeugung einer mehrkanal-repräsentation |
EP05735201A EP1735775B8 (en) | 2004-04-16 | 2005-04-12 | Method for representing multi-channel audio signals |
ES05735201T ES2294703T3 (es) | 2004-04-16 | 2005-04-12 | Metodo para representar señales de audio multicanal. |
DE602005002942T DE602005002942T2 (de) | 2004-04-16 | 2005-04-12 | Verfahren zur darstellung von mehrkanal-audiosignalen |
JP2007507735A JP4603037B2 (ja) | 2004-04-16 | 2005-04-12 | マルチチャネルオーディオ信号を表示するための装置と方法 |
PCT/EP2005/003848 WO2005101370A1 (en) | 2004-04-16 | 2005-04-12 | Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation |
PL05735201T PL1735775T3 (pl) | 2004-04-16 | 2005-04-12 | Sposób prezentowania wielokanałowych sygnałów audio |
CN2005800186599A CN1965351B (zh) | 2004-04-16 | 2005-04-12 | 用于产生/重建多声道表示的方法和设备 |
JP2007505521A JP4589962B2 (ja) | 2004-04-16 | 2005-04-12 | レベル・パラメータを生成する装置と方法、及びマルチチャネル表示を生成する装置と方法 |
DE602005002451T DE602005002451T2 (de) | 2004-04-16 | 2005-04-12 | Vorrichtung und verfahren zur erzeugung eines pegelparameters und vorrichtung und verfahren zur erzeugung einer mehrkanal-repräsentation |
PCT/EP2005/003849 WO2005101371A1 (en) | 2004-04-16 | 2005-04-12 | Method for representing multi-channel audio signals |
KR1020067017536A KR100848367B1 (ko) | 2004-04-16 | 2005-04-12 | 레벨 파라미터를 발생하는 장치 및 방법 그리고 멀티채널표현을 발생하는 장치 및 방법 |
ES05743164T ES2293578T3 (es) | 2004-04-16 | 2005-04-12 | Aparato y metodo para generar un parametro de nivel y aparato y metodo para generar una representacion multicanal. |
PL05743164T PL1695338T3 (pl) | 2004-04-16 | 2005-04-12 | Urządzenie oraz sposób generowania parametru związanego z poziomem oraz urządzenie i sposób generowania reprezentacji sygnału wielokanałowego |
CN201110097029.2A CN102157155B (zh) | 2004-04-16 | 2005-04-12 | 多声道音频信号表示方法 |
CN2005800073514A CN1930608B (zh) | 2004-04-16 | 2005-04-12 | 生成等级参数的设备和方法及生成多通道表示的设备和方法 |
CN201010183360.1A CN101860784B (zh) | 2004-04-16 | 2005-04-12 | 多声道音频信号表示方法 |
TW094126936A TWI334736B (en) | 2004-04-16 | 2005-08-09 | Apparatus and method for generating a level parameter, apparatus and method for generating a multi-channel representation and a storage media stored parameter representation |
US11/517,900 US8223976B2 (en) | 2004-04-16 | 2006-09-08 | Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation |
US11/549,963 US7986789B2 (en) | 2004-04-16 | 2006-10-16 | Method for representing multi-channel audio signals |
HK07100363A HK1093594A1 (en) | 2004-04-16 | 2007-01-10 | Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation |
JP2010178268A JP5185337B2 (ja) | 2004-04-16 | 2010-08-09 | レベル・パラメータを生成する装置と方法、及びマルチチャネル表示を生成する装置と方法 |
JP2010183775A JP5185340B2 (ja) | 2004-04-16 | 2010-08-19 | マルチチャネルオーディオ信号を表示するための装置と方法 |
US12/872,507 US8693696B2 (en) | 2004-04-16 | 2010-08-31 | Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation |
US12/882,894 US8538031B2 (en) | 2004-04-16 | 2010-09-15 | Method for representing multi-channel audio signals |
HK10110525.1A HK1144043A1 (zh) | 2004-04-16 | 2010-11-11 | 多聲道音頻信號表示方法 |
HK12100944.3A HK1163911A1 (en) | 2004-04-16 | 2012-02-02 | Method for representing multi-channel audio signals |
US13/866,947 US10015597B2 (en) | 2004-04-16 | 2013-04-19 | Method for representing multi-channel audio signals |
US14/157,117 US9743185B2 (en) | 2004-04-16 | 2014-01-16 | Apparatus and method for generating a level parameter and apparatus and method for generating a multi-channel representation |
US15/077,798 US9635462B2 (en) | 2004-04-16 | 2016-03-22 | Reconstructing audio channels with a fractional delay decorrelator |
US15/079,653 US9621990B2 (en) | 2004-04-16 | 2016-03-24 | Audio decoder with core decoder and surround decoder |
US15/426,867 US10271142B2 (en) | 2004-04-16 | 2017-02-07 | Audio decoder with core decoder and surround decoder |
US15/498,407 US9972329B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,393 US10129645B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,350 US10244319B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,417 US9972330B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,384 US10244321B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,401 US9972328B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,376 US10244320B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,389 US10250985B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,413 US10440474B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US15/498,362 US10250984B2 (en) | 2004-04-16 | 2017-04-26 | Audio decoder for audio channel reconstruction |
US16/454,250 US10499155B2 (en) | 2004-04-16 | 2019-06-27 | Audio decoder for audio channel reconstruction |
US16/584,655 US10623860B2 (en) | 2004-04-16 | 2019-09-26 | Audio decoder for audio channel reconstruction |
US16/846,828 US11184709B2 (en) | 2004-04-16 | 2020-04-13 | Audio decoder for audio channel reconstruction |
US17/532,962 US11647333B2 (en) | 2004-04-16 | 2021-11-22 | Audio decoder for audio channel reconstruction |
US18/311,854 US20230345176A1 (en) | 2004-04-16 | 2023-05-03 | Audio decoder for audio channel reconstruction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0400998A SE0400998D0 (sv) | 2004-04-16 | 2004-04-16 | Method for representing multi-channel audio signals |
Publications (1)
Publication Number | Publication Date |
---|---|
SE0400998D0 true SE0400998D0 (sv) | 2004-04-16 |
Family
ID=32294334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0400998A SE0400998D0 (sv) | 2004-04-16 | 2004-04-16 | Method for representing multi-channel audio signals |
Country Status (13)
Country | Link |
---|---|
US (24) | US8223976B2 (sv) |
EP (2) | EP1695338B1 (sv) |
JP (4) | JP4603037B2 (sv) |
KR (2) | KR100848365B1 (sv) |
CN (4) | CN102157155B (sv) |
AT (2) | ATE376240T1 (sv) |
DE (2) | DE602005002942T2 (sv) |
ES (2) | ES2293578T3 (sv) |
HK (3) | HK1093594A1 (sv) |
PL (2) | PL1695338T3 (sv) |
SE (1) | SE0400998D0 (sv) |
TW (1) | TWI334736B (sv) |
WO (2) | WO2005101371A1 (sv) |
Families Citing this family (158)
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AU2002220286A1 (en) * | 2000-12-19 | 2002-07-01 | Azoteq (Pty) Ltd. | Method of and apparatus for transferring data |
SE0400998D0 (sv) | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
BRPI0513255B1 (pt) * | 2004-07-14 | 2019-06-25 | Koninklijke Philips Electronics N.V. | Dispositivo e método para converter um primeiro número de canais de áudio de entrada em um segundo número de canais de áudio de saída, sistema de áudio, e, meio de armazenamento legível por computador |
TWI393120B (zh) * | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式 |
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