AU2001286534A1 - Fixed, variable and adaptive bit rate data source encoding (compression) method - Google Patents

Fixed, variable and adaptive bit rate data source encoding (compression) method

Info

Publication number
AU2001286534A1
AU2001286534A1 AU2001286534A AU8653401A AU2001286534A1 AU 2001286534 A1 AU2001286534 A1 AU 2001286534A1 AU 2001286534 A AU2001286534 A AU 2001286534A AU 8653401 A AU8653401 A AU 8653401A AU 2001286534 A1 AU2001286534 A1 AU 2001286534A1
Authority
AU
Australia
Prior art keywords
compression
variable
fixed
bit rate
data source
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001286534A
Inventor
Bhaskar D. Rao
Anand D. Subramaniam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of California
Original Assignee
University of California
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 University of California filed Critical University of California
Publication of AU2001286534A1 publication Critical patent/AU2001286534A1/en
Abandoned legal-status Critical Current

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
    • G10L19/02—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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • H03M7/3082—Vector coding
AU2001286534A 2000-08-18 2001-08-17 Fixed, variable and adaptive bit rate data source encoding (compression) method Abandoned AU2001286534A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22613700P 2000-08-18 2000-08-18
US60226137 2000-08-18
PCT/US2001/025838 WO2002017538A2 (en) 2000-08-18 2001-08-17 Fixed, variable and adaptive bit rate data source encoding (compression) method

Publications (1)

Publication Number Publication Date
AU2001286534A1 true AU2001286534A1 (en) 2002-03-04

Family

ID=22847708

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001286534A Abandoned AU2001286534A1 (en) 2000-08-18 2001-08-17 Fixed, variable and adaptive bit rate data source encoding (compression) method

Country Status (3)

Country Link
US (2) US7236640B2 (en)
AU (1) AU2001286534A1 (en)
WO (1) WO2002017538A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7672834B2 (en) * 2003-07-23 2010-03-02 Mitsubishi Electric Research Laboratories, Inc. Method and system for detecting and temporally relating components in non-stationary signals
US20050091044A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for pitch contour quantization in audio coding
US20050091041A1 (en) * 2003-10-23 2005-04-28 Nokia Corporation Method and system for speech coding
US7444030B2 (en) * 2004-11-12 2008-10-28 Micron Technology, Inc. Image encoding with dynamic buffer-capacity-level-based compression adjustment
US7769583B2 (en) * 2006-05-13 2010-08-03 International Business Machines Corporation Quantizing feature vectors in decision-making applications
DE602008003236D1 (en) * 2007-07-13 2010-12-09 Dolby Lab Licensing Corp TIMEVARIATING TONE SIGNAL LEVEL USING VSIGHT OF LEVEL
GB2495468B (en) 2011-09-02 2017-12-13 Skype Video coding
GB2495467B (en) 2011-09-02 2017-12-13 Skype Video coding
US8982702B2 (en) 2012-10-30 2015-03-17 Cisco Technology, Inc. Control of rate adaptive endpoints

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1315392C (en) * 1988-11-18 1993-03-30 Taejeong Kim Side-match and overlap-match vector quantizers for images
US5091945A (en) * 1989-09-28 1992-02-25 At&T Bell Laboratories Source dependent channel coding with error protection
US5150209A (en) * 1990-05-11 1992-09-22 Picturetel Corporation Hierarchical entropy coded lattice threshold quantization encoding method and apparatus for image and video compression
US5680508A (en) * 1991-05-03 1997-10-21 Itt Corporation Enhancement of speech coding in background noise for low-rate speech coder
US5487086A (en) * 1991-09-13 1996-01-23 Comsat Corporation Transform vector quantization for adaptive predictive coding
US5671327A (en) * 1991-10-21 1997-09-23 Kabushiki Kaisha Toshiba Speech encoding apparatus utilizing stored code data
GB9622055D0 (en) * 1996-10-23 1996-12-18 Univ Strathclyde Vector quantisation
US5999656A (en) * 1997-01-17 1999-12-07 Ricoh Co., Ltd. Overlapped reversible transforms for unified lossless/lossy compression
KR100510399B1 (en) * 1998-02-17 2005-08-30 모토로라 인코포레이티드 Method and Apparatus for High Speed Determination of an Optimum Vector in a Fixed Codebook

Also Published As

Publication number Publication date
US7236640B2 (en) 2007-06-26
US7391918B2 (en) 2008-06-24
WO2002017538A3 (en) 2002-06-20
WO2002017538A2 (en) 2002-02-28
US20070225974A1 (en) 2007-09-27
US20040049384A1 (en) 2004-03-11

Similar Documents

Publication Publication Date Title
AU2003234763A1 (en) Coding device, decoding device, coding method, and decoding method
AU2001270575A1 (en) Improved huffman data compression method
AU2003244278A1 (en) Data transmitting apparatus, data receiving apparatus, data transmitting manner, and data receiving manner
GB2379847B (en) Encoding,decoding and communication method and apparatus
AU2002245254A1 (en) Telecommunication data compression apparatus and method
AU2001264609A1 (en) Communications using adaptive multi-rate codecs
AU2003258014A1 (en) Method and communication network for cross coding between codecs
AU2003275674A1 (en) Communication device, communication method, recording medium, and program
EP1429329A4 (en) Data output method, recording method and apparatus, reproduction method and apparatus, data transmission method and reception method
AU2001286534A1 (en) Fixed, variable and adaptive bit rate data source encoding (compression) method
HK1067443A1 (en) Sound encoding apparatus and method, and sound decoding apparatus and method
AU2003247088A1 (en) Coding and decoding for rate matching in data transmission
AU2002343740A1 (en) Data compression method and system
EP1542372A4 (en) Transmission signal formation method, communication method, and transmission signal data structure
EP0980619B8 (en) Methods and devices for coding, transmitting and decoding digital data
AU2003290764A1 (en) Methods, devices, and systems for creating and compressing multi-level halftones
AU2003227723A1 (en) Method and device for producing coded data, for decoding coded data and for producing re-signed data
AU6578301A (en) Method, data format, encoding device, decoding device and system
AU2002215101A1 (en) Methods and apparatus for encoding and decoding data
GB0128266D0 (en) Soft bit value calculation method for bit decoding, and communication system using the method
AU2002339808A1 (en) Real-time adaptive data mining system and method
AU2002348898A1 (en) Signal processing method, and corresponding encoding method and device
AU2001244761A1 (en) Communication terminal, personal data transmitting system and method for transmitting data using the same
AU2002217514A1 (en) Data coding method and device, and data coding program
AU2002304375A1 (en) Apparatus and method for encoding and decoding data within wireless networks