HK1127664A1 - 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
HK1127664A1
HK1127664A1 HK09103907.7A HK09103907A HK1127664A1 HK 1127664 A1 HK1127664 A1 HK 1127664A1 HK 09103907 A HK09103907 A HK 09103907A HK 1127664 A1 HK1127664 A1 HK 1127664A1
Authority
HK
Hong Kong
Prior art keywords
encoding
decoding
downmix
audio signal
signal
Prior art date
Application number
HK09103907.7A
Other languages
English (en)
Inventor
Hee Suk Pang
Hyen O Oh
Dong Soo Kim
Jae Hyun Lim
Yang Won Jung
Sung Young Yoon
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 KR1020060030671A external-priority patent/KR20070003545A/ko
Priority claimed from KR1020060056480A external-priority patent/KR20070003574A/ko
Priority claimed from KR1020060058139A external-priority patent/KR20070003593A/ko
Priority claimed from KR1020060058141A external-priority patent/KR20070075237A/ko
Priority claimed from KR1020060058142A external-priority patent/KR20070076363A/ko
Priority claimed from KR1020060058120A external-priority patent/KR20070005477A/ko
Priority claimed from PCT/KR2006/002575 external-priority patent/WO2007004828A2/en
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of HK1127664A1 publication Critical patent/HK1127664A1/xx

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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Control Of Amplification And Gain Control (AREA)
HK09103907.7A 2005-06-30 2009-04-28 Apparatus for encoding and decoding audio signal and method thereof HK1127664A1 (en)

Applications Claiming Priority (21)

Application Number Priority Date Filing Date Title
US69500705P 2005-06-30 2005-06-30
US69585805P 2005-07-05 2005-07-05
US74860805P 2005-12-09 2005-12-09
US75700406P 2006-01-09 2006-01-09
US75823606P 2006-01-12 2006-01-12
US75860906P 2006-01-13 2006-01-13
KR20060004056 2006-01-13
KR20060004065 2006-01-13
KR20060004055 2006-01-13
US75962306P 2006-01-18 2006-01-18
US76035906P 2006-01-20 2006-01-20
US77807006P 2006-03-02 2006-03-02
KR1020060030671A KR20070003545A (ko) 2005-06-30 2006-04-04 멀티채널 오디오 코딩에서 클리핑 복원방법
KR1020060030653A KR20070003544A (ko) 2005-06-30 2006-04-04 아비트러리다운믹스게인을 이용한 클리핑복원
KR1020060056480A KR20070003574A (ko) 2005-06-30 2006-06-22 오디오 신호 인코딩 및 디코딩 방법 및 장치
KR1020060058139A KR20070003593A (ko) 2005-06-30 2006-06-27 멀티채널 오디오 신호의 인코딩 및 디코딩 방법
KR1020060058140A KR20070003594A (ko) 2005-06-30 2006-06-27 멀티채널 오디오 신호에서 클리핑된 신호의 복원방법
KR1020060058141A KR20070075237A (ko) 2006-01-12 2006-06-27 멀티채널 오디오 신호의 인코딩 및 디코딩 방법
KR1020060058142A KR20070076363A (ko) 2006-01-18 2006-06-27 오디오 신호의 인코딩 및 디코딩 방법
KR1020060058120A KR20070005477A (ko) 2005-07-05 2006-06-27 다채널 오디오 코딩에서의 채널 신호의 에너지 레벨보정방법, 그리고 그 보정 기능을 수행하는 인코딩 및디코딩 장치
PCT/KR2006/002575 WO2007004828A2 (en) 2005-06-30 2006-06-30 Apparatus for encoding and decoding audio signal and method thereof

Publications (1)

Publication Number Publication Date
HK1127664A1 true HK1127664A1 (en) 2009-10-02

Family

ID=39716931

Family Applications (2)

Application Number Title Priority Date Filing Date
HK09101392.3A HK1123623A1 (en) 2005-06-30 2009-02-13 Apparatus for encoding and decoding audio signal and method thereof
HK09103907.7A HK1127664A1 (en) 2005-06-30 2009-04-28 Apparatus for encoding and decoding audio signal and method thereof

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK09101392.3A HK1123623A1 (en) 2005-06-30 2009-02-13 Apparatus for encoding and decoding audio signal and method thereof

Country Status (3)

Country Link
US (2) US8494667B2 (xx)
JP (3) JP2009500657A (xx)
HK (2) HK1123623A1 (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5161893B2 (ja) * 2007-03-16 2013-03-13 エルジー エレクトロニクス インコーポレイティド オーディオ信号の処理方法及び装置
CN103299363B (zh) 2007-06-08 2015-07-08 Lg电子株式会社 用于处理音频信号的方法和装置
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
KR101452722B1 (ko) * 2008-02-19 2014-10-23 삼성전자주식회사 신호 부호화 및 복호화 방법 및 장치
US8315396B2 (en) * 2008-07-17 2012-11-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio output signals using object based metadata
KR20110018107A (ko) * 2009-08-17 2011-02-23 삼성전자주식회사 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치
US8774417B1 (en) * 2009-10-05 2014-07-08 Xfrm Incorporated Surround audio compatibility assessment
TWI557723B (zh) 2010-02-18 2016-11-11 杜比實驗室特許公司 解碼方法及系統
US8948403B2 (en) * 2010-08-06 2015-02-03 Samsung Electronics Co., Ltd. Method of processing signal, encoding apparatus thereof, decoding apparatus thereof, and signal processing system
JP5903758B2 (ja) * 2010-09-08 2016-04-13 ソニー株式会社 信号処理装置および方法、プログラム、並びにデータ記録媒体
TWI462087B (zh) * 2010-11-12 2014-11-21 Dolby Lab Licensing Corp 複數音頻信號之降混方法、編解碼方法及混合系統
CN103220058A (zh) * 2012-01-20 2013-07-24 旭扬半导体股份有限公司 音频数据与视觉数据同步装置及其方法
US9131313B1 (en) * 2012-02-07 2015-09-08 Star Co. System and method for audio reproduction
EP2873073A1 (en) * 2012-07-12 2015-05-20 Dolby Laboratories Licensing Corporation Embedding data in stereo audio using saturation parameter modulation
US9715880B2 (en) * 2013-02-21 2017-07-25 Dolby International Ab Methods for parametric multi-channel encoding
EP2830065A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency
CN105336332A (zh) * 2014-07-17 2016-02-17 杜比实验室特许公司 分解音频信号
DK3201918T3 (en) 2014-10-02 2019-02-25 Dolby Int Ab DECODING PROCEDURE AND DECODS FOR DIALOGUE IMPROVEMENT
US9666192B2 (en) 2015-05-26 2017-05-30 Nuance Communications, Inc. Methods and apparatus for reducing latency in speech recognition applications
US10559303B2 (en) * 2015-05-26 2020-02-11 Nuance Communications, Inc. Methods and apparatus for reducing latency in speech recognition applications
KR101821608B1 (ko) 2017-07-03 2018-01-25 엘아이지넥스원 주식회사 음향센서신호 무손실 부호화/복호화 처리를 위한 시스템 및 방법
CN114420139A (zh) 2018-05-31 2022-04-29 华为技术有限公司 一种下混信号的计算方法及装置
IL305331A (en) * 2021-03-11 2023-10-01 Dolby Laboratories Licensing Corp An audio codec with gain control that can be adjusted for mixed signals

Family Cites Families (138)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661862A (en) * 1984-04-27 1987-04-28 Rca Corporation Differential PCM video transmission system employing horizontally offset five pixel groups and delta signals having plural non-linear encoding functions
US4621862A (en) * 1984-10-22 1986-11-11 The Coca-Cola Company Closing means for trucks
US4725885A (en) * 1986-12-22 1988-02-16 International Business Machines Corporation Adaptive graylevel image compression system
JPH0793584B2 (ja) * 1987-09-25 1995-10-09 株式会社日立製作所 符号化装置
NL8901032A (nl) 1988-11-10 1990-06-01 Philips Nv Coder om extra informatie op te nemen in een digitaal audiosignaal met een tevoren bepaald formaat, een decoder om deze extra informatie uit dit digitale signaal af te leiden, een inrichting voor het opnemen van een digitaal signaal op een registratiedrager, voorzien van de coder, en een registratiedrager verkregen met deze inrichting.
US5243686A (en) * 1988-12-09 1993-09-07 Oki Electric Industry Co., Ltd. Multi-stage linear predictive analysis method for feature extraction from acoustic signals
JP2811369B2 (ja) 1989-01-27 1998-10-15 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 高品質オーディオ用短時間遅延変換コーダ、デコーダ、及びエンコーダ・デコーダ
DE3912605B4 (de) * 1989-04-17 2008-09-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Digitales Codierverfahren
NL9000338A (nl) 1989-06-02 1991-01-02 Koninkl Philips Electronics Nv Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting.
US6289308B1 (en) * 1990-06-01 2001-09-11 U.S. Philips Corporation Encoded wideband digital transmission signal and record carrier recorded with such a signal
GB8921320D0 (en) 1989-09-21 1989-11-08 British Broadcasting Corp Digital video coding
AU653582B2 (en) * 1991-01-08 1994-10-06 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
CA2075156A1 (en) 1991-08-02 1993-02-03 Kenzo Akagiri Digital encoder with dynamic quantization bit allocation
DE4209544A1 (de) * 1992-03-24 1993-09-30 Inst Rundfunktechnik Gmbh Verfahren zum Übertragen oder Speichern digitalisierter, mehrkanaliger Tonsignale
JP3104400B2 (ja) 1992-04-27 2000-10-30 ソニー株式会社 オーディオ信号符号化装置及び方法
JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
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
US5563661A (en) * 1993-04-05 1996-10-08 Canon Kabushiki Kaisha Image processing apparatus
US5508942A (en) * 1993-11-24 1996-04-16 Intel Corporation Intra/inter decision rules for encoding and decoding video signals
US6125398A (en) 1993-11-24 2000-09-26 Intel Corporation Communications subsystem for computer-based conferencing system using both ISDN B channels for transmission
US5640159A (en) * 1994-01-03 1997-06-17 International Business Machines Corporation Quantization method for image data compression employing context modeling algorithm
RU2158970C2 (ru) 1994-03-01 2000-11-10 Сони Корпорейшн Способ кодирования цифрового сигнала и устройство для его осуществления, носитель записи цифрового сигнала, способ декодирования цифрового сигнала и устройство для его осуществления
US5550541A (en) 1994-04-01 1996-08-27 Dolby Laboratories Licensing Corporation Compact source coding tables for encoder/decoder system
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
US6549666B1 (en) 1994-09-21 2003-04-15 Ricoh Company, Ltd Reversible embedded wavelet system implementation
JPH08123494A (ja) 1994-10-28 1996-05-17 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置、音声符号化復号化方法およびこれらに使用可能な位相振幅特性導出装置
JPH08130649A (ja) * 1994-11-01 1996-05-21 Canon Inc データ処理装置
KR100209877B1 (ko) * 1994-11-26 1999-07-15 윤종용 복수개의 허프만부호테이블을 이용한 가변장부호화장치 및 복호화장치
JP3371590B2 (ja) 1994-12-28 2003-01-27 ソニー株式会社 高能率符号化方法及び高能率復号化方法
JP3484832B2 (ja) 1995-08-02 2004-01-06 ソニー株式会社 記録装置、記録方法、再生装置及び再生方法
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US6047027A (en) 1996-02-07 2000-04-04 Matsushita Electric Industrial Co., Ltd. Packetized data stream decoder using timing information extraction and insertion
US6399760B1 (en) * 1996-04-12 2002-06-04 Millennium Pharmaceuticals, Inc. RP compositions and therapeutic and diagnostic uses therefor
EP0827312A3 (de) 1996-08-22 2003-10-01 Marconi Communications GmbH Verfahren zur Änderung der Konfiguration von Datenpaketen
US5912636A (en) * 1996-09-26 1999-06-15 Ricoh Company, Ltd. Apparatus and method for performing m-ary finite state machine entropy coding
US5893066A (en) 1996-10-15 1999-04-06 Samsung Electronics Co. Ltd. Fast requantization apparatus and method for MPEG audio decoding
TW429700B (en) 1997-02-26 2001-04-11 Sony Corp Information encoding method and apparatus, information decoding method and apparatus and information recording medium
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
US6639945B2 (en) * 1997-03-14 2003-10-28 Microsoft Corporation Method and apparatus for implementing motion detection in video compression
US6131084A (en) 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
TW405328B (en) 1997-04-11 2000-09-11 Matsushita Electric Ind Co Ltd Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment
US5890125A (en) * 1997-07-16 1999-03-30 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method
TW432372B (en) * 1997-09-17 2001-05-01 Matsushita Electric Ind Co Ltd Optical disc, video data editing apparatus, computer -readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer -readable recording medium storing an reproduction program
US6130418A (en) 1997-10-06 2000-10-10 U.S. Philips Corporation Optical scanning unit having a main lens and an auxiliary lens
US5966688A (en) * 1997-10-28 1999-10-12 Hughes Electronics Corporation Speech mode based multi-stage vector quantizer
JP2005063655A (ja) 1997-11-28 2005-03-10 Victor Co Of Japan Ltd オーディオ信号のエンコード方法及びデコード方法
DE69926821T2 (de) 1998-01-22 2007-12-06 Deutsche Telekom Ag Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
JPH11282496A (ja) 1998-03-30 1999-10-15 Matsushita Electric Ind Co Ltd 復号装置
US7415120B1 (en) * 1998-04-14 2008-08-19 Akiba Electronics Institute Llc User adjustable volume control that accommodates hearing
US6360204B1 (en) 1998-04-24 2002-03-19 Sarnoff Corporation Method and apparatus for implementing rounding in decoding an audio signal
US6339760B1 (en) * 1998-04-28 2002-01-15 Hitachi, Ltd. Method and system for synchronization of decoded audio and video by adding dummy data to compressed audio data
JPH11330980A (ja) 1998-05-13 1999-11-30 Matsushita Electric Ind Co Ltd 復号装置及びその復号方法、並びにその復号の手順を記録した記録媒体
JP3473828B2 (ja) * 1998-06-26 2003-12-08 株式会社東芝 オーディオ用光ディスク及び情報再生方法及び再生装置
GB2340351B (en) 1998-07-29 2004-06-09 British Broadcasting Corp Data transmission
US6298071B1 (en) * 1998-09-03 2001-10-02 Diva Systems Corporation Method and apparatus for processing variable bit rate information in an information distribution system
MY118961A (en) * 1998-09-03 2005-02-28 Sony Corp Beam irradiation apparatus, optical apparatus having beam irradiation apparatus for information recording medium, method for manufacturing original disk for information recording medium, and method for manufacturing information recording medium
US6148283A (en) * 1998-09-23 2000-11-14 Qualcomm Inc. Method and apparatus using multi-path multi-stage vector quantizer
US6553147B2 (en) * 1998-10-05 2003-04-22 Sarnoff Corporation Apparatus and method for data partitioning to improving error resilience
US6556685B1 (en) * 1998-11-06 2003-04-29 Harman Music Group Companding noise reduction system with simultaneous encode and decode
US6757659B1 (en) 1998-11-16 2004-06-29 Victor Company Of Japan, Ltd. Audio signal processing apparatus
US6195024B1 (en) * 1998-12-11 2001-02-27 Realtime Data, Llc Content independent data compression method and system
US6208276B1 (en) 1998-12-30 2001-03-27 At&T Corporation Method and apparatus for sample rate pre- and post-processing to achieve maximal coding gain for transform-based audio encoding and decoding
US6631352B1 (en) * 1999-01-08 2003-10-07 Matushita Electric Industrial Co. Ltd. Decoding circuit and reproduction apparatus which mutes audio after header parameter changes
JP4610087B2 (ja) * 1999-04-07 2011-01-12 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 損失のない符号化・復号へのマトリックス改良
JP3323175B2 (ja) 1999-04-20 2002-09-09 松下電器産業株式会社 符号化装置
US6421467B1 (en) * 1999-05-28 2002-07-16 Texas Tech University Adaptive vector quantization/quantizer
KR100307596B1 (ko) 1999-06-10 2001-11-01 윤종용 디지털 오디오 데이터의 무손실 부호화 및 복호화장치
JP2001006291A (ja) * 1999-06-21 2001-01-12 Fuji Film Microdevices Co Ltd オーディオ信号の符号化方式判定装置、及びオーディオ信号の符号化方式判定方法
JP2002033523A (ja) 2000-07-18 2002-01-31 Toshiba Electronic Engineering Corp 半導体発光装置
WO2002007738A1 (en) * 2000-07-21 2002-01-31 Ashni Naturaceuticals, Inc. Combinations of chitosan and psyllium for synergistic adsorption of triglyceride and cholesterol
US20020049586A1 (en) * 2000-09-11 2002-04-25 Kousuke Nishio Audio encoder, audio decoder, and broadcasting system
US6636830B1 (en) * 2000-11-22 2003-10-21 Vialta Inc. System and method for noise reduction using bi-orthogonal modified discrete cosine transform
US7660424B2 (en) * 2001-02-07 2010-02-09 Dolby Laboratories Licensing Corporation Audio channel spatial translation
JP4008244B2 (ja) 2001-03-02 2007-11-14 松下電器産業株式会社 符号化装置および復号化装置
JP3566220B2 (ja) 2001-03-09 2004-09-15 三菱電機株式会社 音声符号化装置、音声符号化方法、音声復号化装置及び音声復号化方法
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7583805B2 (en) 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based synthesis of auditory scenes
JP2002335230A (ja) 2001-05-11 2002-11-22 Victor Co Of Japan Ltd 音声符号化信号の復号方法、及び音声符号化信号復号装置
JP2003005797A (ja) 2001-06-21 2003-01-08 Matsushita Electric Ind Co Ltd オーディオ信号の符号化方法及び装置、並びに符号化及び復号化システム
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
GB0119569D0 (en) * 2001-08-13 2001-10-03 Radioscape Ltd Data hiding in digital audio broadcasting (DAB)
EP1308931A1 (de) * 2001-10-23 2003-05-07 Deutsche Thomson-Brandt Gmbh Decodierung eines codierten digitalen Audio-Signals welches in Header enthaltende Rahmen angeordnet ist
KR100480787B1 (ko) 2001-11-27 2005-04-07 삼성전자주식회사 좌표 인터폴레이터의 키 값 데이터 부호화/복호화 방법 및 장치
JP2005510925A (ja) * 2001-11-30 2005-04-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 信号コード化
TW569550B (en) 2001-12-28 2004-01-01 Univ Nat Central Method of inverse-modified discrete cosine transform and overlap-add for MPEG layer 3 voice signal decoding and apparatus thereof
EP1833262A1 (en) * 2002-01-18 2007-09-12 Kabushiki Kaisha Toshiba Video encoding method and apparatus and video decoding method and apparatus
JP2003233395A (ja) 2002-02-07 2003-08-22 Matsushita Electric Ind Co Ltd オーディオ信号の符号化方法及び装置、並びに符号化及び復号化システム
EP1484841B1 (en) * 2002-03-08 2018-12-26 Nippon Telegraph And Telephone Corporation DIGITAL SIGNAL ENCODING METHOD, DECODING METHOD, ENCODING DEVICE, DECODING DEVICE and DIGITAL SIGNAL DECODING PROGRAM
WO2003085644A1 (en) 2002-04-11 2003-10-16 Matsushita Electric Industrial Co., Ltd. Encoding device and decoding device
DE10217297A1 (de) 2002-04-18 2003-11-06 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Codieren eines zeitdiskreten Audiosignals und Vorrichtung und Verfahren zum Decodieren von codierten Audiodaten
US7275036B2 (en) * 2002-04-18 2007-09-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a time-discrete audio signal to obtain coded audio data and for decoding coded audio data
US7158586B2 (en) 2002-05-03 2007-01-02 Atheros Communications, Inc. Systems and methods to provide wideband magnitude and phase imbalance calibration and compensation in quadrature receivers
US7072726B2 (en) * 2002-06-19 2006-07-04 Microsoft Corporation Converting M channels of digital audio data into N channels of digital audio data
KR100981699B1 (ko) 2002-07-12 2010-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
US7542896B2 (en) 2002-07-16 2009-06-02 Koninklijke Philips Electronics N.V. Audio coding/decoding with spatial parameters and non-uniform segmentation for transients
BR0311601A (pt) 2002-07-19 2005-02-22 Nec Corp Aparelho e método decodificador de áudio e programa para habilitar computador
ATE341923T1 (de) 2002-08-07 2006-10-15 Dolby Lab Licensing Corp Audiokanalumsetzung
US7536305B2 (en) 2002-09-04 2009-05-19 Microsoft Corporation Mixed lossless audio compression
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
TW567466B (en) 2002-09-13 2003-12-21 Inventec Besta Co Ltd Method using computer to compress and encode audio data
US8306340B2 (en) 2002-09-17 2012-11-06 Vladimir Ceperkovic Fast codec with high compression ratio and minimum required resources
JP4084990B2 (ja) * 2002-11-19 2008-04-30 株式会社ケンウッド エンコード装置、デコード装置、エンコード方法およびデコード方法
JP2004220743A (ja) 2003-01-17 2004-08-05 Sony Corp 情報記録装置及び情報記録制御方法、並びに情報再生装置及び情報再生制御方法
WO2004072956A1 (en) 2003-02-11 2004-08-26 Koninklijke Philips Electronics N.V. Audio coding
US7787632B2 (en) 2003-03-04 2010-08-31 Nokia Corporation Support of a multichannel audio extension
US20040199276A1 (en) * 2003-04-03 2004-10-07 Wai-Leong Poon Method and apparatus for audio synchronization
ATE355590T1 (de) 2003-04-17 2006-03-15 Koninkl Philips Electronics Nv Audiosignalsynthese
DE602004005846T2 (de) * 2003-04-17 2007-12-20 Koninklijke Philips Electronics N.V. Audiosignalgenerierung
JP2005086486A (ja) * 2003-09-09 2005-03-31 Alpine Electronics Inc オーディオ装置およびオーディオ処理方法
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
EP1683133B1 (en) * 2003-10-30 2007-02-14 Koninklijke Philips Electronics N.V. Audio signal encoding or decoding
US20050137729A1 (en) * 2003-12-18 2005-06-23 Atsuhiro Sakurai Time-scale modification stereo audio signals
SE527670C2 (sv) 2003-12-19 2006-05-09 Ericsson Telefon Ab L M Naturtrogenhetsoptimerad kodning med variabel ramlängd
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
US20050174269A1 (en) * 2004-02-05 2005-08-11 Broadcom Corporation Huffman decoder used for decoding both advanced audio coding (AAC) and MP3 audio
US7272567B2 (en) 2004-03-25 2007-09-18 Zoran Fejzo Scalable lossless audio codec and authoring tool
JP4579237B2 (ja) * 2004-04-22 2010-11-10 三菱電機株式会社 画像符号化装置及び画像復号装置
JP2005332449A (ja) 2004-05-18 2005-12-02 Sony Corp 光学ピックアップ装置、光記録再生装置及びチルト制御方法
TWM257575U (en) 2004-05-26 2005-02-21 Aimtron Technology Corp Encoder and decoder for audio and video information
JP2006012301A (ja) * 2004-06-25 2006-01-12 Sony Corp 光記録再生方法、光ピックアップ装置、光記録再生装置、光記録媒体とその製造方法及び半導体レーザ装置
JP4264037B2 (ja) * 2004-06-30 2009-05-13 株式会社ケンウッド 音響装置および再生モード設定方法
CA2572805C (en) 2004-07-02 2013-08-13 Matsushita Electric Industrial Co., Ltd. Audio signal decoding device and audio signal encoding device
US7508947B2 (en) * 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
JP2006120247A (ja) 2004-10-21 2006-05-11 Sony Corp 集光レンズ及びその製造方法、これを用いた露光装置、光学ピックアップ装置及び光記録再生装置
SE0402650D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
US7991610B2 (en) 2005-04-13 2011-08-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Adaptive grouping of parameters for enhanced coding efficiency
KR100933548B1 (ko) * 2005-04-15 2009-12-23 돌비 스웨덴 에이비 비상관 신호의 시간적 엔벨로프 정형화
KR200392615Y1 (ko) 2005-06-01 2005-08-18 김영애 특정문양의 발광상태에 따라 충전상태를 표시하는 휴대폰충전기.
EP1946294A2 (en) 2005-06-30 2008-07-23 LG Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
KR100803205B1 (ko) 2005-07-15 2008-02-14 삼성전자주식회사 저비트율 오디오 신호 부호화/복호화 방법 및 장치
JP4876574B2 (ja) * 2005-12-26 2012-02-15 ソニー株式会社 信号符号化装置及び方法、信号復号装置及び方法、並びにプログラム及び記録媒体
JP4284326B2 (ja) 2006-01-12 2009-06-24 株式会社東芝 磁気抵抗ランダムアクセスメモリおよびその書き込み制御方法
EP2102858A4 (en) * 2006-12-07 2010-01-20 Lg Electronics Inc METHOD AND DEVICE FOR PROCESSING AN AUDIO SIGNAL

Also Published As

Publication number Publication date
US8082157B2 (en) 2011-12-20
JP2009500658A (ja) 2009-01-08
JP2009500656A (ja) 2009-01-08
JP5227794B2 (ja) 2013-07-03
US8494667B2 (en) 2013-07-23
US20080208600A1 (en) 2008-08-28
HK1123623A1 (en) 2009-06-19
US20080212803A1 (en) 2008-09-04
JP2009500657A (ja) 2009-01-08

Similar Documents

Publication Publication Date Title
HK1127664A1 (en) Apparatus for encoding and decoding audio signal and method thereof
WO2007004829A3 (en) Apparatus for encoding and decoding audio signal and method thereof
MX2008013073A (es) Metodos y aparatos para codificar y decodificar señales de audio basadas en objeto.
TW200631449A (en) Compact side information for parametric coding of spatialaudio
WO2006126857A3 (en) Method of encoding and decoding an audio signal
WO2008063628A3 (en) Decoding digital information included in a hand-formed expression
WO2007004833A3 (en) Method and apparatus for encoding and decoding an audio signal
WO2006126844A3 (en) Method and apparatus for decoding an audio signal
MX2009012391A (es) Aparato y metodo para codificar y descodificar señales.
DK1803117T3 (da) Formning af individuelle kanaler med midlertidig indhylling for binaurale cue-kodningssystemer og lignende
HK1111855A1 (en) Device and method for generating an encoded stereo signal
WO2006118964A3 (en) System, method and apparatus for wireless delivery of analog media from a media source to a media sink
MX2009005159A (es) Un metodo y un aparato para descodificar una señal de audio.
TW200746045A (en) Method for encoding and decoding multi-channel audio signal and apparatus thereof
BRPI0608945C8 (pt) codificador de áudio de multi-canal, decodificador de áudio de multi-canal, método de codificar n sinais de áudio em m sinais de áudio e dados paramétricos associados, método de decodificar k sinais de áudio e dados paramétricos associados, método de transmitir e receber um sinal de áudio de multi-canal codificado, mídia de armazenamento legível por computador, e, sistema de transmissão
EP1960999A4 (en) METHOD, SUPPORT AND DEVICE FOR ENCODING AND / OR DECODING AN AUDIO SIGNAL
WO2009001874A1 (ja) オーディオ符号化方法、オーディオ復号方法、オーディオ符号化装置、オーディオ復号装置、プログラム、およびオーディオ符号化・復号システム
TW200707986A (en) Error recovery using in band error patterns
EP2102860A4 (en) METHOD, MEDIUM AND APPARATUS FOR CLASSIFYING AUDIO SIGNAL, AND METHOD, MEDIUM AND APPARATUS FOR ENCODING AND / OR DECODING AUDIO SIGNAL USING THE SAME, METHOD, AND CLASSIFICATION APPARATUS
EP1895511A4 (en) AUDIO CODING APPARATUS, AUDIO DECODING APPARATUS, AND CODING INFORMATION TRANSMITTING APPARATUS
RU2008140170A (ru) Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов
WO2007007263A3 (en) Audio encoding and decoding
BRPI0516658A (pt) aparelho de codificação de estéreo, aparelho de decodificação de estéreo e seus métodos
JP2012520481A5 (xx)
TW200713851A (en) Apparatus for encoding and decoding audio signal and method thereof