TWI483244B - 用於將信號編碼／解碼之裝置與方法 - Google Patents

用於將信號編碼／解碼之裝置與方法 Download PDF

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Publication number
TWI483244B
TWI483244B TW097150309A TW97150309A TWI483244B TW I483244 B TWI483244 B TW I483244B TW 097150309 A TW097150309 A TW 097150309A TW 97150309 A TW97150309 A TW 97150309A TW I483244 B TWI483244 B TW I483244B
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Taiwan
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information
downmix signal
signal
downmix
unit
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TW097150309A
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English (en)
Chinese (zh)
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TW200921644A (en
Inventor
Dong Soo Kim
Hee Sulk Pang
Jae Hyun Lim
Yang Won Jung
Hyen O Oh
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Lg Electronics Inc
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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
    • G10L19/04—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 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
    • 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
    • H04S3/008—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
    • 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 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Stereophonic System (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW097150309A 2006-02-07 2007-02-07 用於將信號編碼／解碼之裝置與方法 TWI483244B (zh)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US76574706P 2006-02-07 2006-02-07
US77147106P 2006-02-09 2006-02-09
US77333706P 2006-02-15 2006-02-15
US77577506P 2006-02-23 2006-02-23
US78175006P 2006-03-14 2006-03-14
US78251906P 2006-03-16 2006-03-16
US79232906P 2006-04-17 2006-04-17
US79365306P 2006-04-21 2006-04-21

Publications (2)

Publication Number Publication Date
TW200921644A TW200921644A (en) 2009-05-16
TWI483244B true TWI483244B (zh) 2015-05-01

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Family Applications (4)

Application Number Title Priority Date Filing Date
TW097150309A TWI483244B (zh) 2006-02-07 2007-02-07 用於將信號編碼／解碼之裝置與方法
TW096104544A TWI331322B (en) 2006-02-07 2007-02-07 Apparatus and method for encoding / decoding signal
TW096104545A TWI329465B (en) 2006-02-07 2007-02-07 Apparatus and method for encoding / decoding signal
TW096104543A TWI329464B (en) 2006-02-07 2007-02-07 Apparatus and method for encoding / decoding signal

Family Applications After (3)

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TW096104544A TWI331322B (en) 2006-02-07 2007-02-07 Apparatus and method for encoding / decoding signal
TW096104545A TWI329465B (en) 2006-02-07 2007-02-07 Apparatus and method for encoding / decoding signal
TW096104543A TWI329464B (en) 2006-02-07 2007-02-07 Apparatus and method for encoding / decoding signal

Country Status (10)

Country Link
US (8) US8625810B2 (enExample)
EP (7) EP1984915B1 (enExample)
JP (7) JP5173840B2 (enExample)
KR (19) KR101014729B1 (enExample)
CN (1) CN104681030B (enExample)
AU (1) AU2007212845B2 (enExample)
BR (1) BRPI0707498A2 (enExample)
CA (1) CA2637722C (enExample)
TW (4) TWI483244B (enExample)
WO (7) WO2007091847A1 (enExample)

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