ATE510279T1 - Verlustloser mehrkanaliger audio-codec - Google Patents

Verlustloser mehrkanaliger audio-codec

Info

Publication number
ATE510279T1
ATE510279T1 AT05731220T AT05731220T ATE510279T1 AT E510279 T1 ATE510279 T1 AT E510279T1 AT 05731220 T AT05731220 T AT 05731220T AT 05731220 T AT05731220 T AT 05731220T AT E510279 T1 ATE510279 T1 AT E510279T1
Authority
AT
Austria
Prior art keywords
core
signal
bits
segments
encoder
Prior art date
Application number
AT05731220T
Other languages
English (en)
Inventor
Zoran Fejzo
Original Assignee
Dts 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 US10/911,067 external-priority patent/US7392195B2/en
Application filed by Dts Inc filed Critical Dts Inc
Application granted granted Critical
Publication of ATE510279T1 publication Critical patent/ATE510279T1/de

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
    • G10L19/008—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
    • G10L19/0017—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
    • G10L19/02—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
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
AT05731220T 2004-03-25 2005-03-21 Verlustloser mehrkanaliger audio-codec ATE510279T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US55618304P 2004-03-25 2004-03-25
US10/911,067 US7392195B2 (en) 2004-03-25 2004-08-04 Lossless multi-channel audio codec
US10/911,062 US7272567B2 (en) 2004-03-25 2004-08-04 Scalable lossless audio codec and authoring tool
PCT/US2005/009275 WO2005098823A2 (en) 2004-03-25 2005-03-21 Lossless multi-channel audio codec

Publications (1)

Publication Number Publication Date
ATE510279T1 true ATE510279T1 (de) 2011-06-15

Family

ID=35125763

Family Applications (2)

Application Number Title Priority Date Filing Date
AT05731220T ATE510279T1 (de) 2004-03-25 2005-03-21 Verlustloser mehrkanaliger audio-codec
AT05728310T ATE511178T1 (de) 2004-03-25 2005-03-21 Skalierbarer verlustloser audio-codec und erstellungs-werkzeug

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT05728310T ATE511178T1 (de) 2004-03-25 2005-03-21 Skalierbarer verlustloser audio-codec und erstellungs-werkzeug

Country Status (9)

Country Link
EP (6) EP2270775B1 (de)
JP (1) JP4997098B2 (de)
KR (4) KR101237559B1 (de)
AT (2) ATE510279T1 (de)
DK (2) DK1743326T3 (de)
IL (3) IL178243A0 (de)
PL (1) PL2228791T3 (de)
TR (2) TR200606136T1 (de)
WO (2) WO2005098822A2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7930184B2 (en) * 2004-08-04 2011-04-19 Dts, Inc. Multi-channel audio coding/decoding of random access points and transients
EP1852849A1 (de) 2006-05-05 2007-11-07 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellensignals unter Verwendung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms
US8442836B2 (en) 2008-01-31 2013-05-14 Agency For Science, Technology And Research Method and device of bitrate distribution/truncation for scalable audio coding
US8873671B2 (en) * 2008-03-26 2014-10-28 Qualcomm Incorporated Method and system for LLR buffer reduction in a wireless communication modem
KR101641685B1 (ko) 2010-03-29 2016-07-22 삼성전자주식회사 멀티채널 오디오의 다운믹스 방법 및 장치
KR101676477B1 (ko) 2010-07-21 2016-11-15 삼성전자주식회사 컨텍스트 기반의 무손실 부호화 장치 및 방법, 그리고 복호화 장치 및 방법
RU2562384C2 (ru) 2010-10-06 2015-09-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Способ и устройство для обработки аудио сигнала и для обеспечения большей детализации во времени для комбинированного унифицированного кодека речи и аудио (usac)
JP5466618B2 (ja) * 2010-10-19 2014-04-09 日本電信電話株式会社 符号化装置、復号装置、符号化方法、復号方法及びそのプログラム
KR101153819B1 (ko) * 2010-12-14 2012-06-18 전자부품연구원 오디오 처리 장치 및 방법
GB201210373D0 (en) * 2012-06-12 2012-07-25 Meridian Audio Ltd Doubly compatible lossless audio sandwidth extension
CN106463125B (zh) 2014-04-25 2020-09-15 杜比实验室特许公司 基于空间元数据的音频分割

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3498375B2 (ja) * 1994-07-20 2004-02-16 ソニー株式会社 ディジタル・オーディオ信号記録装置
EP0798866A2 (de) * 1996-03-27 1997-10-01 Kabushiki Kaisha Toshiba Digitales Datenverarbeitungssystem
KR100338801B1 (ko) * 1997-07-31 2002-08-21 삼성전자 주식회사 디지털데이터의부호화/복호화방법및장치
KR100261253B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 부호화/복호화 방법및 장치
IL122714A (en) * 1997-04-02 2011-06-30 Samsung Electronics Co Ltd Digital data coding/decoding method and apparatus
KR100261254B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
KR100251453B1 (ko) * 1997-08-26 2000-04-15 윤종용 고음질 오디오 부호화/복호화장치들 및 디지털다기능디스크
KR100335611B1 (ko) * 1997-11-20 2002-10-09 삼성전자 주식회사 비트율 조절이 가능한 스테레오 오디오 부호화/복호화 방법 및 장치
US6226608B1 (en) * 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
ATE374458T1 (de) * 1999-05-21 2007-10-15 Scient Atlanta Europ Verfahren und vorrichtung zur komprimierung und/oder übertragung und/oder dekomprimierung eines digitalen signals
US6370502B1 (en) * 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
US6226616B1 (en) * 1999-06-21 2001-05-01 Digital Theater Systems, Inc. Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility
US6226216B1 (en) 2000-01-21 2001-05-01 Intel Corporation Sectional column activated memory
GB2364843A (en) * 2000-07-14 2002-02-06 Sony Uk Ltd Data encoding based on data quantity and data quality
US6675148B2 (en) * 2001-01-05 2004-01-06 Digital Voice Systems, Inc. Lossless audio coder
US7171053B2 (en) * 2001-03-05 2007-01-30 Koninklijke Philips Electronics N.V. Device and method for compressing a signal
US7599835B2 (en) * 2002-03-08 2009-10-06 Nippon Telegraph And Telephone Corporation Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program
US20030231799A1 (en) * 2002-06-14 2003-12-18 Craig Schmidt Lossless data compression using constraint propagation
KR101015497B1 (ko) * 2003-03-22 2011-02-16 삼성전자주식회사 디지털 데이터의 부호화/복호화 방법 및 장치

Also Published As

Publication number Publication date
KR20120003943A (ko) 2012-01-11
EP1743326A2 (de) 2007-01-17
EP2228791A3 (de) 2010-11-17
EP1743326B1 (de) 2011-05-18
EP2228791A2 (de) 2010-09-15
EP2228792A2 (de) 2010-09-15
EP1741093A2 (de) 2007-01-10
TR200606136T1 (tr) 2007-04-24
KR20120003944A (ko) 2012-01-11
EP1741093B1 (de) 2011-05-25
KR20070020012A (ko) 2007-02-16
DK1741093T3 (da) 2011-09-12
JP4997098B2 (ja) 2012-08-08
KR20070002065A (ko) 2007-01-04
EP2270774B1 (de) 2016-07-27
EP2270774A3 (de) 2011-10-19
WO2005098822A2 (en) 2005-10-20
EP2270775A2 (de) 2011-01-05
KR101243412B1 (ko) 2013-03-13
KR101207110B1 (ko) 2012-12-03
JP2007531010A (ja) 2007-11-01
EP2270775B1 (de) 2016-01-06
WO2005098822A3 (en) 2006-11-23
KR101237559B1 (ko) 2013-02-26
ATE511178T1 (de) 2011-06-15
PL2228791T3 (pl) 2015-10-30
EP2270775A3 (de) 2011-10-19
EP2270774A2 (de) 2011-01-05
IL178244A0 (en) 2006-12-31
IL178243A0 (en) 2006-12-31
WO2005098823A3 (en) 2007-04-12
EP1743326A4 (de) 2009-06-17
EP1741093A4 (de) 2009-06-17
TR200606137T1 (tr) 2007-01-22
EP2228792A3 (de) 2010-11-17
DK1743326T3 (da) 2011-08-22
IL200376A0 (en) 2011-07-31
KR101149956B1 (ko) 2012-06-01
EP2228791B1 (de) 2015-05-06
WO2005098823A2 (en) 2005-10-20

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