HK1126579A1 - System and method of encoding/decoding multi-channel audio signals - Google Patents

System and method of encoding/decoding multi-channel audio signals

Info

Publication number
HK1126579A1
HK1126579A1 HK09105358.6A HK09105358A HK1126579A1 HK 1126579 A1 HK1126579 A1 HK 1126579A1 HK 09105358 A HK09105358 A HK 09105358A HK 1126579 A1 HK1126579 A1 HK 1126579A1
Authority
HK
Hong Kong
Prior art keywords
encoding
audio signals
channel audio
decoding multi
decoding
Prior art date
Application number
HK09105358.6A
Other languages
English (en)
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to HK11103919.9A priority Critical patent/HK1149841A1/xx
Priority to HK11103918.0A priority patent/HK1149840A1/xx
Publication of HK1126579A1 publication Critical patent/HK1126579A1/xx

Links

Classifications

    • 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
    • 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
    • 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
    • H03M7/3002—Conversion to or from differential modulation
    • 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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/77—Wired systems using carrier waves
    • H04H20/80—Wired systems using carrier waves having frequencies in two or more frequency bands, e.g. medium wave and VHF
    • 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)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
HK09105358.6A 2005-11-21 2009-06-16 System and method of encoding/decoding multi-channel audio signals HK1126579A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
HK11103919.9A HK1149841A1 (en) 2005-11-21 2009-06-16 System and method of encoding/decoding multi-channel audio signals
HK11103918.0A HK1149840A1 (en) 2005-11-21 2009-06-16 System and method of encoding/decoding multi-channel audio signals

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US73804905P 2005-11-21 2005-11-21
KR1020060030249A KR100888474B1 (ko) 2005-11-21 2006-04-03 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
PCT/KR2006/004890 WO2007058510A1 (en) 2005-11-21 2006-11-21 System, medium, and method of encoding/decoding multi-channel audio signals

Publications (1)

Publication Number Publication Date
HK1126579A1 true HK1126579A1 (en) 2009-09-04

Family

ID=38048857

Family Applications (3)

Application Number Title Priority Date Filing Date
HK11103919.9A HK1149841A1 (en) 2005-11-21 2009-06-16 System and method of encoding/decoding multi-channel audio signals
HK09105358.6A HK1126579A1 (en) 2005-11-21 2009-06-16 System and method of encoding/decoding multi-channel audio signals
HK11103918.0A HK1149840A1 (en) 2005-11-21 2009-06-16 System and method of encoding/decoding multi-channel audio signals

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK11103919.9A HK1149841A1 (en) 2005-11-21 2009-06-16 System and method of encoding/decoding multi-channel audio signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK11103918.0A HK1149840A1 (en) 2005-11-21 2009-06-16 System and method of encoding/decoding multi-channel audio signals

Country Status (7)

Country Link
US (4) US8280538B2 (xx)
EP (3) EP1958334A4 (xx)
JP (3) JP5442995B2 (xx)
KR (1) KR100888474B1 (xx)
CN (8) CN102779515B (xx)
HK (3) HK1149841A1 (xx)
WO (1) WO2007058510A1 (xx)

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JP5108772B2 (ja) * 2005-09-14 2012-12-26 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
KR100888474B1 (ko) 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법

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