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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

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/0017Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42Conversion 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/435Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • H04S1/007Two-channel systems in which the audio signals are in digital form

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
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
KR20060004065 2006-01-13
KR1020060004062A KR20070037974A (en) 2005-10-04 2006-01-13 How to configure the number of parameter bands in a non-guided coding bitstream in multichannel audio coding
KR20060004055 2006-01-13
KR1020060004057A KR20070025904A (en) 2005-08-30 2006-01-13 Parameter Channel Number Bitstream Configuration of LFF Channel Effective in Multichannel Audio Coding
KR1020060004051A KR20070025903A (en) 2005-08-30 2006-01-13 How to configure the number of parameter bands of the residual signal bitstream in multichannel audio coding
KR1020060004063A KR20070025907A (en) 2005-08-30 2006-01-13 How to configure the number of parameter band bitstreams to be applied to effective channel conversion module in multichannel 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) KR100880645B1 (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
KR20150009474A (en) * 2013-07-15 2015-01-26 한국전자통신연구원 Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal
KR101536855B1 (en) * 2014-01-23 2015-07-14 재단법인 다차원 스마트 아이티 융합시스템 연구단 Encoding apparatus apparatus for residual coding and method thereof
CN111970629B (en) 2015-08-25 2022-05-17 杜比实验室特许公司 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.
DE69210689T2 (en) 1991-01-08 1996-11-21 Dolby Lab Licensing Corp ENCODER / DECODER FOR MULTI-DIMENSIONAL 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
WO2003085644A1 (en) 2002-04-11 2003-10-16 Matsushita Electric Industrial Co., Ltd. Encoding device and decoding device
RU2325046C2 (en) 2002-07-16 2008-05-20 Конинклейке Филипс Электроникс Н.В. 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
KR100891687B1 (en) 2009-04-03
KR20080037105A (en) 2008-04-29
KR20080049747A (en) 2008-06-04
KR100891685B1 (en) 2009-04-03
JP2013137546A (en) 2013-07-11
KR101165641B1 (en) 2012-07-17
KR20080049746A (en) 2008-06-04
KR20080037106A (en) 2008-04-29
KR100880644B1 (en) 2009-01-30
JP5319846B2 (en) 2013-10-16
KR20080036232A (en) 2008-04-25
KR20080037104A (en) 2008-04-29
KR100891686B1 (en) 2009-04-03
MX2008002713A (en) 2008-03-18
KR100880646B1 (en) 2009-01-30
KR100880645B1 (en) 2009-01-30
KR100880647B1 (en) 2009-01-30
KR20080037111A (en) 2008-04-29
KR20080086551A (en) 2008-09-25

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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