DK1590801T3 - Konvertering af syntetiserede spektralkomponenter for kodning og transkodning med lav komplicerethed - Google Patents

Konvertering af syntetiserede spektralkomponenter for kodning og transkodning med lav komplicerethed

Info

Publication number
DK1590801T3
DK1590801T3 DK04707005T DK04707005T DK1590801T3 DK 1590801 T3 DK1590801 T3 DK 1590801T3 DK 04707005 T DK04707005 T DK 04707005T DK 04707005 T DK04707005 T DK 04707005T DK 1590801 T3 DK1590801 T3 DK 1590801T3
Authority
DK
Denmark
Prior art keywords
quantized
scaled
scaled values
scale factors
scale
Prior art date
Application number
DK04707005T
Other languages
English (en)
Inventor
Brian Timothy Lennon
Michael Mead Truman
Robert Loring Andersen
Original Assignee
Dolby Lab Licensing Corp
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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Application granted granted Critical
Publication of DK1590801T3 publication Critical patent/DK1590801T3/da

Links

Classifications

    • 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
    • G10L19/02—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 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Stereophonic System (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DK04707005T 2003-02-06 2004-01-30 Konvertering af syntetiserede spektralkomponenter for kodning og transkodning med lav komplicerethed DK1590801T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44593103P 2003-02-06 2003-02-06
US10/458,798 US7318027B2 (en) 2003-02-06 2003-06-09 Conversion of synthesized spectral components for encoding and low-complexity transcoding
PCT/US2004/002605 WO2004072957A2 (en) 2003-02-06 2004-01-30 Conversion of spectral components for encoding and low-complexity transcoding

Publications (1)

Publication Number Publication Date
DK1590801T3 true DK1590801T3 (da) 2008-05-05

Family

ID=32871965

Family Applications (1)

Application Number Title Priority Date Filing Date
DK04707005T DK1590801T3 (da) 2003-02-06 2004-01-30 Konvertering af syntetiserede spektralkomponenter for kodning og transkodning med lav komplicerethed

Country Status (20)

Country Link
US (1) US7318027B2 (da)
EP (3) EP2136361B1 (da)
JP (2) JP4673834B2 (da)
KR (1) KR100992081B1 (da)
CN (2) CN101661750B (da)
AT (2) ATE382180T1 (da)
AU (1) AU2004211163B2 (da)
CA (2) CA2776988C (da)
CY (1) CY1114289T1 (da)
DE (2) DE602004010885T2 (da)
DK (1) DK1590801T3 (da)
ES (2) ES2421713T3 (da)
HK (2) HK1080596B (da)
IL (1) IL169442A (da)
MX (1) MXPA05008318A (da)
MY (1) MY142955A (da)
PL (2) PL378175A1 (da)
SG (1) SG144743A1 (da)
TW (2) TWI350107B (da)
WO (1) WO2004072957A2 (da)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7620545B2 (en) * 2003-07-08 2009-11-17 Industrial Technology Research Institute Scale factor based bit shifting in fine granularity scalability audio coding
AU2003302486A1 (en) 2003-09-15 2005-04-06 Zakrytoe Aktsionernoe Obschestvo Intel Method and apparatus for encoding audio
EP1719117A1 (en) * 2004-02-16 2006-11-08 Koninklijke Philips Electronics N.V. A transcoder and method of transcoding therefore
US20050232497A1 (en) * 2004-04-15 2005-10-20 Microsoft Corporation High-fidelity transcoding
US7406412B2 (en) * 2004-04-20 2008-07-29 Dolby Laboratories Licensing Corporation Reduced computational complexity of bit allocation for perceptual coding
KR100634506B1 (ko) * 2004-06-25 2006-10-16 삼성전자주식회사 저비트율 부호화/복호화 방법 및 장치
GB2420952B (en) * 2004-12-06 2007-03-14 Autoliv Dev A data compression method
JP5001853B2 (ja) * 2004-12-14 2012-08-15 サムスン エレクトロニクス カンパニー リミテッド 映像符号化及び復号化装置とその方法
EP1855271A1 (en) * 2006-05-12 2007-11-14 Deutsche Thomson-Brandt Gmbh Method and apparatus for re-encoding signals
CN101136200B (zh) * 2006-08-30 2011-04-20 财团法人工业技术研究院 音频信号转换编码方法与***
US7725311B2 (en) * 2006-09-28 2010-05-25 Ericsson Ab Method and apparatus for rate reduction of coded voice traffic
US8036903B2 (en) 2006-10-18 2011-10-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system
US20080097757A1 (en) * 2006-10-24 2008-04-24 Nokia Corporation Audio coding
DE102006051673A1 (de) * 2006-11-02 2008-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale
US7991622B2 (en) * 2007-03-20 2011-08-02 Microsoft Corporation Audio compression and decompression using integer-reversible modulated lapped transforms
US8086465B2 (en) * 2007-03-20 2011-12-27 Microsoft Corporation Transform domain transcoding and decoding of audio data using integer-reversible modulated lapped transforms
KR101403340B1 (ko) 2007-08-02 2014-06-09 삼성전자주식회사 변환 부호화 방법 및 장치
US8457958B2 (en) * 2007-11-09 2013-06-04 Microsoft Corporation Audio transcoder using encoder-generated side information to transcode to target bit-rate
US8155241B2 (en) * 2007-12-21 2012-04-10 Mediatek Inc. System for processing common gain values
WO2010053287A2 (en) * 2008-11-04 2010-05-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
US8396114B2 (en) * 2009-01-29 2013-03-12 Microsoft Corporation Multiple bit rate video encoding using variable bit rate and dynamic resolution for adaptive video streaming
US8311115B2 (en) * 2009-01-29 2012-11-13 Microsoft Corporation Video encoding using previously calculated motion information
US8270473B2 (en) * 2009-06-12 2012-09-18 Microsoft Corporation Motion based dynamic resolution multiple bit rate video encoding
US8396119B1 (en) * 2009-09-30 2013-03-12 Ambarella, Inc. Data sample compression and decompression using randomized quantization bins
TWI557723B (zh) 2010-02-18 2016-11-11 杜比實驗室特許公司 解碼方法及系統
US8705616B2 (en) 2010-06-11 2014-04-22 Microsoft Corporation Parallel multiple bitrate video encoding to reduce latency and dependences between groups of pictures
US8923386B2 (en) 2011-02-11 2014-12-30 Alcatel Lucent Method and apparatus for signal compression and decompression
US20130006644A1 (en) * 2011-06-30 2013-01-03 Zte Corporation Method and device for spectral band replication, and method and system for audio decoding
JP2014521273A (ja) * 2011-07-20 2014-08-25 フリースケール セミコンダクター インコーポレイテッド 画像を符号化する方法および装置
US9591318B2 (en) 2011-09-16 2017-03-07 Microsoft Technology Licensing, Llc Multi-layer encoding and decoding
US11089343B2 (en) 2012-01-11 2021-08-10 Microsoft Technology Licensing, Llc Capability advertisement, configuration and control for video coding and decoding
JP6113294B2 (ja) * 2012-11-07 2017-04-12 ドルビー・インターナショナル・アーベー 軽減された計算量の変換器ｓｎｒ計算
KR101757341B1 (ko) * 2013-01-29 2017-07-14 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. 저-복잡도 음조-적응 오디오 신호 양자화
KR20140117931A (ko) 2013-03-27 2014-10-08 삼성전자주식회사 오디오 디코딩 장치 및 방법
CA3029037C (en) 2013-04-05 2021-12-28 Dolby International Ab Audio encoder and decoder
US8804971B1 (en) 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
EP2830064A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
DE102014101307A1 (de) 2014-02-03 2015-08-06 Osram Opto Semiconductors Gmbh Kodierverfahren zur Datenkompression von Leistungsspektren eines optoelektronischen Bauteils und Dekodierverfahren
US10854209B2 (en) 2017-10-03 2020-12-01 Qualcomm Incorporated Multi-stream audio coding
WO2019091576A1 (en) * 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
CN113538485B (zh) * 2021-08-25 2022-04-22 广西科技大学 学习生物视觉通路的轮廓检测方法

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995115A (en) * 1967-08-25 1976-11-30 Bell Telephone Laboratories, Incorporated Speech privacy system
US3684838A (en) * 1968-06-26 1972-08-15 Kahn Res Lab Single channel audio signal transmission system
US3880490A (en) 1973-10-01 1975-04-29 Lockheed Aircraft Corp Means and method for protecting and spacing clamped insulated wires
JPS6011360B2 (ja) * 1981-12-15 1985-03-25 ケイディディ株式会社 音声符号化方式
US4667340A (en) * 1983-04-13 1987-05-19 Texas Instruments Incorporated Voice messaging system with pitch-congruent baseband coding
US4790016A (en) * 1985-11-14 1988-12-06 Gte Laboratories Incorporated Adaptive method and apparatus for coding speech
WO1986003873A1 (en) * 1984-12-20 1986-07-03 Gte Laboratories Incorporated Method and apparatus for encoding speech
US4885790A (en) * 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
US4935963A (en) * 1986-01-24 1990-06-19 Racal Data Communications Inc. Method and apparatus for processing speech signals
JPS62234435A (ja) * 1986-04-04 1987-10-14 Kokusai Denshin Denwa Co Ltd <Kdd> 符号化音声の復号化方式
DE3683767D1 (de) * 1986-04-30 1992-03-12 Ibm Sprachkodierungsverfahren und einrichtung zur ausfuehrung dieses verfahrens.
US4776014A (en) * 1986-09-02 1988-10-04 General Electric Company Method for pitch-aligned high-frequency regeneration in RELP vocoders
US5054072A (en) * 1987-04-02 1991-10-01 Massachusetts Institute Of Technology Coding of acoustic waveforms
US5127054A (en) * 1988-04-29 1992-06-30 Motorola, Inc. Speech quality improvement for voice coders and synthesizers
US5109417A (en) * 1989-01-27 1992-04-28 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
US5054075A (en) * 1989-09-05 1991-10-01 Motorola, Inc. Subband decoding method and apparatus
CN1062963C (zh) * 1990-04-12 2001-03-07 多尔拜实验特许公司 用于产生高质量声音信号的解码器和编码器
DE4121137C3 (de) 1990-04-14 1995-07-13 Alps Electric Co Ltd Verbindungseinrichtung mit einem nach Art einer Uhrfeder angeordnetem elektrischen Kabel
WO1992012607A1 (en) * 1991-01-08 1992-07-23 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
US5246382A (en) 1992-03-02 1993-09-21 G & H Technology, Inc. Crimpless, solderless, contactless, flexible cable connector
JP2693893B2 (ja) * 1992-03-30 1997-12-24 松下電器産業株式会社 ステレオ音声符号化方法
US5291557A (en) 1992-10-13 1994-03-01 Dolby Laboratories Licensing Corporation Adaptive rematrixing of matrixed audio signals
JPH07199996A (ja) * 1993-11-29 1995-08-04 Casio Comput Co Ltd 波形データ符号化装置、波形データ符号化方法、波形データ復号装置、及び波形データ符号化／復号装置
JP3223281B2 (ja) * 1993-12-10 2001-10-29 カシオ計算機株式会社 波形データ符号化装置、波形データ符号化方法、波形データ復号装置、及び波形データ符号化／復号装置
DE19509149A1 (de) 1995-03-14 1996-09-19 Donald Dipl Ing Schulz Codierverfahren
JPH08328599A (ja) 1995-06-01 1996-12-13 Mitsubishi Electric Corp Ｍｐｅｇオーディオ復号器
US5718601A (en) 1995-12-21 1998-02-17 Masters; Greg N. Electrical connector assembly
DE19628293C1 (de) * 1996-07-12 1997-12-11 Fraunhofer Ges Forschung Codieren und Decodieren von Audiosignalen unter Verwendung von Intensity-Stereo und Prädiktion
EP0833405A1 (de) 1996-09-28 1998-04-01 Harting KGaA Steckverbindung für Koaxialkabel
FR2756978B1 (fr) 1996-12-06 1999-01-08 Radiall Sa Connecteur circulaire modulaire
US5845251A (en) * 1996-12-20 1998-12-01 U S West, Inc. Method, system and product for modifying the bandwidth of subband encoded audio data
US5970461A (en) * 1996-12-23 1999-10-19 Apple Computer, Inc. System, method and computer readable medium of efficiently decoding an AC-3 bitstream by precalculating computationally expensive values to be used in the decoding algorithm
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
DE19730130C2 (de) * 1997-07-14 2002-02-28 Fraunhofer Ges Forschung Verfahren zum Codieren eines Audiosignals
SE9903553D0 (sv) 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
EP1228569A1 (en) * 1999-10-30 2002-08-07 STMicroelectronics Asia Pacific Pte Ltd. A method of encoding frequency coefficients in an ac-3 encoder
GB0003954D0 (en) * 2000-02-18 2000-04-12 Radioscape Ltd Method of and apparatus for converting a signal between data compression formats
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
SE0004187D0 (sv) 2000-11-15 2000-11-15 Coding Technologies Sweden Ab Enhancing the performance of coding systems that use high frequency reconstruction methods
JP2002196792A (ja) * 2000-12-25 2002-07-12 Matsushita Electric Ind Co Ltd 音声符号化方式、音声符号化方法およびそれを用いる音声符号化装置、記録媒体、ならびに音楽配信システム
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
JP4259110B2 (ja) * 2002-12-27 2009-04-30 カシオ計算機株式会社 波形データ符号化装置及び波形データ符号化方法
US9996281B2 (en) 2016-03-04 2018-06-12 Western Digital Technologies, Inc. Temperature variation compensation

Also Published As

Publication number Publication date
WO2004072957A3 (en) 2005-05-12
PL397127A1 (pl) 2012-02-13
HK1080596B (zh) 2008-05-09
AU2004211163B2 (en) 2009-04-23
CA2512866A1 (en) 2004-08-26
EP1852852B1 (en) 2009-11-11
MY142955A (en) 2011-01-31
MXPA05008318A (es) 2005-11-04
SG144743A1 (en) 2008-08-28
KR100992081B1 (ko) 2010-11-04
US7318027B2 (en) 2008-01-08
TWI352973B (en) 2011-11-21
ES2421713T3 (es) 2013-09-05
EP1590801B1 (en) 2007-12-26
EP2136361A1 (en) 2009-12-23
JP4880053B2 (ja) 2012-02-22
CA2776988A1 (en) 2004-08-26
PL378175A1 (pl) 2006-03-06
WO2004072957A2 (en) 2004-08-26
HK1080596A1 (en) 2006-04-28
EP1590801A2 (en) 2005-11-02
TW201126514A (en) 2011-08-01
IL169442A0 (en) 2007-07-04
JP2010250328A (ja) 2010-11-04
ATE382180T1 (de) 2008-01-15
CA2776988C (en) 2015-09-29
HK1107607A1 (en) 2008-04-11
JP4673834B2 (ja) 2011-04-20
DE602004024139D1 (de) 2009-12-24
AU2004211163A1 (en) 2004-08-26
CN1748248A (zh) 2006-03-15
KR20050097990A (ko) 2005-10-10
US20040165667A1 (en) 2004-08-26
CN100589181C (zh) 2010-02-10
ES2297376T3 (es) 2008-05-01
CN101661750B (zh) 2014-07-16
IL169442A (en) 2009-09-22
JP2006518873A (ja) 2006-08-17
EP1852852A1 (en) 2007-11-07
DE602004010885T2 (de) 2008-12-11
CY1114289T1 (el) 2016-08-31
EP2136361B1 (en) 2013-05-22
CN101661750A (zh) 2010-03-03
DE602004010885D1 (de) 2008-02-07
ATE448540T1 (de) 2009-11-15
TWI350107B (en) 2011-10-01
CA2512866C (en) 2012-07-31
TW200415922A (en) 2004-08-16

Similar Documents

Publication Publication Date Title
DK1590801T3 (da) Konvertering af syntetiserede spektralkomponenter for kodning og transkodning med lav komplicerethed
CN1266674C (zh) 闭环多模混合域线性预测语音编解码器和处理帧的方法
ATE373857T1 (de) Interoperable sprachkodierung
MY141174A (en) Method and device for robust predictiving vector quantization of linear prediction parameters in variable bit rate speech coding
SG170078A1 (en) Encoding device, decoding device, and method thereof
DE602004003610D1 (de) Halbrätiger Vocoder
DK1514261T3 (da) Audiokodningssystem, der anvender udfyldning af spektrale huller
HK1082125A1 (en) Encoding method, decoding method, encoder and decoder for digital video
CN1334952A (zh) 用于改善编码通信信号性能的编码增强特性
CA2317322A1 (en) Method and apparatus for sub-band coding and decoding
JP2006518873A5 (da)
CN101080767A (zh) 用于低比特率语音编码的方法和装置
JP2004310088A5 (da)
WO2006109251A3 (en) Voice conversion
CA2604521A1 (en) Lossless encoding of information with guaranteed maximum bitrate
TW200507467A (en) Sacle factor based bit shifting in fine granularity scalability audio coding
US20100161322A1 (en) Encoding and decoding apparatuses for improving sound quality of g.711 codec
EP1310943A3 (en) Speech coding apparatus, speech decoding apparatus and speech coding/decoding method
CN112614495A (zh) 一种软件无线电多制式语音编解码器
CN100578616C (zh) 代码转换方法和设备
CA2511516A1 (en) Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding
JPH10233691A (ja) 符号化方式および復号方式
EP1564999A3 (en) Method and apparatus for encoding and decoding data
TH149478A (th) การมอดูเลทรหัสพัลส์ที่ได้รับการควอนไทซ์ในการลงรหัสวีดิทัศน์
TWM438765U (en) Audio quantization and de-quantization device