CN101243496B - 处理音频信号的装置和方法 - Google Patents

处理音频信号的装置和方法 Download PDF

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CN101243496B
CN101243496B CN2006800294070A CN200680029407A CN101243496B CN 101243496 B CN101243496 B CN 101243496B CN 2006800294070 A CN2006800294070 A CN 2006800294070A CN 200680029407 A CN200680029407 A CN 200680029407A CN 101243496 B CN101243496 B CN 101243496B
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CN101243496A (zh
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T·利伯成
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LG Electronics Inc
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LG Electronics Inc
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Priority claimed from PCT/KR2005/002291 external-priority patent/WO2007011079A1/en
Priority claimed from PCT/KR2005/002292 external-priority patent/WO2007011080A1/en
Priority claimed from PCT/KR2005/002290 external-priority patent/WO2007011078A1/en
Priority claimed from PCT/KR2005/002307 external-priority patent/WO2007011084A1/en
Priority claimed from PCT/KR2005/002306 external-priority patent/WO2007011083A1/en
Priority claimed from PCT/KR2005/002308 external-priority patent/WO2007011085A1/en
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    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • 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
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • 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
    • 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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN2006800294070A 2005-07-11 2006-07-10 处理音频信号的装置和方法 Expired - Fee Related CN101243496B (zh)

Applications Claiming Priority (17)

Application Number Priority Date Filing Date Title
US69755105P 2005-07-11 2005-07-11
US60/697,551 2005-07-11
PCT/KR2005/002291 WO2007011079A1 (en) 2005-07-16 2005-07-16 Apparatus and method of encoding and decoding audio signal
KRPCT/KR2005/002292 2005-07-16
KRPCT/KR2005/002290 2005-07-16
KRPCT/KR2005/002291 2005-07-16
PCT/KR2005/002292 WO2007011080A1 (en) 2005-07-16 2005-07-16 Apparatus and method of encoding and decoding audio signal
PCT/KR2005/002290 WO2007011078A1 (en) 2005-07-16 2005-07-16 Apparatus and method of encoding and decoding audio signal
KRPCT/KR2005/002307 2005-07-18
KRPCT/KR2005/002308 2005-07-18
PCT/KR2005/002307 WO2007011084A1 (en) 2005-07-18 2005-07-18 Apparatus and method of encoding and decoding audio signal
KRPCT/KR2005/002306 2005-07-18
PCT/KR2005/002306 WO2007011083A1 (en) 2005-07-18 2005-07-18 Apparatus and method of encoding and decoding audio signal
PCT/KR2005/002308 WO2007011085A1 (en) 2005-07-18 2005-07-18 Apparatus and method of encoding and decoding audio signal
US70057005P 2005-07-19 2005-07-19
US60/700,570 2005-07-19
PCT/KR2006/002689 WO2007008011A2 (en) 2005-07-11 2006-07-10 Apparatus and method of processing an audio signal

Publications (2)

Publication Number Publication Date
CN101243496A CN101243496A (zh) 2008-08-13
CN101243496B true CN101243496B (zh) 2011-12-07

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CN2006800294070A Expired - Fee Related CN101243496B (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CN2006800251380A Expired - Fee Related CN101218628B (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CN2006800252699A Expired - Fee Related CN101218630B (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA2006800304693A Pending CN101243492A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800304797A Pending CN101243493A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800294174A Pending CN101243489A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800289829A Pending CN101238510A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA2006800305412A Pending CN101243497A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800305111A Pending CN101243494A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800305499A Pending CN101243495A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800251376A Pending CN101218631A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA200680024866XA Pending CN101218852A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA200680028892XA Pending CN101238509A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA2006800251395A Pending CN101218629A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法

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CN2006800251380A Expired - Fee Related CN101218628B (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CN2006800252699A Expired - Fee Related CN101218630B (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA2006800304693A Pending CN101243492A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800304797A Pending CN101243493A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800294174A Pending CN101243489A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800289829A Pending CN101238510A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA2006800305412A Pending CN101243497A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800305111A Pending CN101243494A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800305499A Pending CN101243495A (zh) 2005-07-11 2006-07-10 编码和解码音频信号的装置和方法
CNA2006800251376A Pending CN101218631A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA200680024866XA Pending CN101218852A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA200680028892XA Pending CN101238509A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法
CNA2006800251395A Pending CN101218629A (zh) 2005-07-11 2006-07-10 处理音频信号的装置和方法

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Country Link
US (36) US7411528B2 (https=)
EP (14) EP1913584A4 (https=)
JP (14) JP2009500688A (https=)
CN (14) CN101243496B (https=)
WO (14) WO2007008011A2 (https=)

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