HK1124681A1 - Apparatus for encoding and decoding audio signal and method thereof - Google Patents

Apparatus for encoding and decoding audio signal and method thereof

Info

Publication number
HK1124681A1
HK1124681A1 HK09101883.9A HK09101883A HK1124681A1 HK 1124681 A1 HK1124681 A1 HK 1124681A1 HK 09101883 A HK09101883 A HK 09101883A HK 1124681 A1 HK1124681 A1 HK 1124681A1
Authority
HK
Hong Kong
Prior art keywords
encoding
audio signal
decoding audio
decoding
signal
Prior art date
Application number
HK09101883.9A
Inventor
Hee Suk Pang
Hyeon O Oh
Dong Soo Kim
Jae Hyun Lim
Yang Won Jung
Original Assignee
Lg Electronics 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
Priority claimed from KR1020060004062A external-priority patent/KR20070037974A/en
Priority claimed from KR1020060004057A external-priority patent/KR20070025904A/en
Priority claimed from KR1020060004063A external-priority patent/KR20070025907A/en
Priority claimed from PCT/KR2006/003420 external-priority patent/WO2007027050A1/en
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of HK1124681A1 publication Critical patent/HK1124681A1/en

Links

Classifications

    • 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
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS 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
    • G10L19/04—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
    • 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
    • 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
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • 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
HK09101883.9A 2005-08-30 2009-02-27 Apparatus for encoding and decoding audio signal and method thereof HK1124681A1 (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US71211905P 2005-08-30 2005-08-30
US71920205P 2005-09-22 2005-09-22
US72300705P 2005-10-04 2005-10-04
US72622805P 2005-10-14 2005-10-14
US72922505P 2005-10-24 2005-10-24
KR20060004055 2006-01-13
KR1020060004062A KR20070037974A (en) 2005-10-04 2006-01-13 Method of effective bitstream composition for the spatial parameter band number for non-guided coding in multi-channel audio coding
KR1020060004057A KR20070025904A (en) 2005-08-30 2006-01-13 Method of effective bitstream composition for the spatial parameter band number of a lfe-channel for multi-channel audio coding
KR1020060004063A KR20070025907A (en) 2005-08-30 2006-01-13 Method of effective bitstream composition for the parameter band number of channel conversion module in multi-channel audio coding
KR20060004065 2006-01-13
KR1020060004051A KR20070025903A (en) 2005-08-30 2006-01-13 Method of effective bitstream composition for the spatial parameter band number of residual signal in multi-channel audio coding
US76253606P 2006-01-27 2006-01-27
PCT/KR2006/003420 WO2007027050A1 (en) 2005-08-30 2006-08-30 Apparatus for encoding and decoding audio signal and method thereof

Publications (1)

Publication Number Publication Date
HK1124681A1 true HK1124681A1 (en) 2009-07-17

Family

ID=39805382

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09101883.9A HK1124681A1 (en) 2005-08-30 2009-02-27 Apparatus for encoding and decoding audio signal and method thereof

Country Status (4)

Country Link
JP (1) JP5319846B2 (en)
KR (8) KR100891687B1 (en)
HK (1) HK1124681A1 (en)
MX (1) MX2008002713A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015009040A1 (en) * 2013-07-15 2015-01-22 한국전자통신연구원 Encoder and encoding method for multichannel signal, and decoder and decoding method for multichannel signal
KR101536855B1 (en) * 2014-01-23 2015-07-14 재단법인 다차원 스마트 아이티 융합시스템 연구단 Encoding apparatus apparatus for residual coding and method thereof
EA034371B1 (en) 2015-08-25 2020-01-31 Долби Лэборетериз Лайсенсинг Корпорейшн Audio decoder and decoding method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000338A (en) 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv DIGITAL TRANSMISSION SYSTEM, TRANSMITTER AND RECEIVER FOR USE IN THE TRANSMISSION SYSTEM AND RECORD CARRIED OUT WITH THE TRANSMITTER IN THE FORM OF A RECORDING DEVICE.
DK0520068T3 (en) 1991-01-08 1996-07-15 Dolby Ray Milton Codes / decoders for multidimensional sound fields
DE4209544A1 (en) 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Method for transmitting or storing digitized, multi-channel audio signals
US5481643A (en) 1993-03-18 1996-01-02 U.S. Philips Corporation Transmitter, receiver and record carrier for transmitting/receiving at least a first and a second signal component
EP0827312A3 (en) 1996-08-22 2003-10-01 Marconi Communications GmbH Method for changing the configuration of data packets
US6016473A (en) 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
DE60307252T2 (en) 2002-04-11 2007-07-19 Matsushita Electric Industrial Co., Ltd., Kadoma DEVICES, METHODS AND PROGRAMS FOR CODING AND DECODING
AU2003281128A1 (en) 2002-07-16 2004-02-02 Koninklijke Philips Electronics N.V. Audio coding
SE0301273D0 (en) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex exponential-modulated filter bank and adaptive time signaling methods
SE0401408D0 (en) * 2004-06-02 2004-06-02 Astrazeneca Ab Diameter measuring device

Also Published As

Publication number Publication date
KR100880647B1 (en) 2009-01-30
KR100880645B1 (en) 2009-01-30
JP5319846B2 (en) 2013-10-16
KR20080036232A (en) 2008-04-25
MX2008002713A (en) 2008-03-18
KR100891685B1 (en) 2009-04-03
KR20080037106A (en) 2008-04-29
KR20080049746A (en) 2008-06-04
KR20080037105A (en) 2008-04-29
KR100880644B1 (en) 2009-01-30
KR20080037104A (en) 2008-04-29
KR20080086551A (en) 2008-09-25
KR100891687B1 (en) 2009-04-03
KR100880646B1 (en) 2009-01-30
JP2013137546A (en) 2013-07-11
KR100891686B1 (en) 2009-04-03
KR101165641B1 (en) 2012-07-17
KR20080049747A (en) 2008-06-04
KR20080037111A (en) 2008-04-29

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20180825