[go: up one dir, main page]

ES2068580T3 - Codificador y descodificador de longitud de bloque adaptable, de transformada adaptable y de transformada con ventana adaptable para audioseñales de alta calidad. - Google Patents

Codificador y descodificador de longitud de bloque adaptable, de transformada adaptable y de transformada con ventana adaptable para audioseñales de alta calidad.

Info

Publication number
ES2068580T3
ES2068580T3 ES91908557T ES91908557T ES2068580T3 ES 2068580 T3 ES2068580 T3 ES 2068580T3 ES 91908557 T ES91908557 T ES 91908557T ES 91908557 T ES91908557 T ES 91908557T ES 2068580 T3 ES2068580 T3 ES 2068580T3
Authority
ES
Spain
Prior art keywords
adaptable
transformed
high quality
window
decoder
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.)
Expired - Lifetime
Application number
ES91908557T
Other languages
English (en)
Inventor
Grant Allen Davidson
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.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24024165&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2068580(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Application granted granted Critical
Publication of ES2068580T3 publication Critical patent/ES2068580T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/0212—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 using orthogonal transformation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

LA INVENCION SE REFIERE EN GENERAL A LA CODIFICACION Y DECODIFICACION POR TRANSFORMACION DIGITAL A BAJA VELOCIDAD DE TRANSFERENCIA DE BITS, DE GRAN CALIDAD, DE LA INFORMACION CORRESPONDIENTE A SEÑALES DE SONIDO, TALES COMO LAS SEÑALES DE MUSICA. DE MANERA MAS PARTICULAR, LA INVENCION SE REFIERE A UN ANALISIS/SINTESIS DE SEÑALES EN LA CODIFICACION Y DECODIFICACION. LA INVENCION PUEDE OPTIMIZAR LA SOLUCION INTERMEDIA DE LOS CODIGOS DE TRANSFORMACION ENTRE RESOLUCIONES DE TIEMPO Y RESOLUCIONES DE FRECUENCIA A BASE DE SELECCIONAR DE MANERA ADAPTABLE LA LONGITUD DEL BLOQUE DE TRANSFORMACION PARA CADA SEGMENTO DE SONIDO EXPLORADO Y/O PUEDE OPTIMIZAR LA GANANCIA DE CODIFICACION A BASE DE SELECCIONAR DE MANERA ADAPTABLE LA TRANSFORMACION Y/O DE SELECCIONAR DE MANERA ADAPTABLE LA VENTANA DE ANALISIS O EL PAR DE VENTANAS DE ANALISIS/SINTESIS.
ES91908557T 1990-04-12 1991-04-12 Codificador y descodificador de longitud de bloque adaptable, de transformada adaptable y de transformada con ventana adaptable para audioseñales de alta calidad. Expired - Lifetime ES2068580T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50880990A 1990-04-12 1990-04-12

Publications (1)

Publication Number Publication Date
ES2068580T3 true ES2068580T3 (es) 1995-04-16

Family

ID=24024165

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91908557T Expired - Lifetime ES2068580T3 (es) 1990-04-12 1991-04-12 Codificador y descodificador de longitud de bloque adaptable, de transformada adaptable y de transformada con ventana adaptable para audioseñales de alta calidad.

Country Status (13)

Country Link
US (1) US5394473A (es)
EP (1) EP0524264B1 (es)
JP (1) JP3224130B2 (es)
KR (1) KR100193353B1 (es)
CN (1) CN1062963C (es)
AT (1) ATE119336T1 (es)
AU (1) AU644170B2 (es)
BR (1) BR9106332A (es)
CA (1) CA2059141C (es)
DE (1) DE69107841T2 (es)
DK (1) DK0524264T3 (es)
ES (1) ES2068580T3 (es)
WO (1) WO1991016769A1 (es)

Families Citing this family (246)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE40280E1 (en) 1988-12-30 2008-04-29 Lucent Technologies Inc. Rate loop processor for perceptual encoder/decoder
US5297236A (en) * 1989-01-27 1994-03-22 Dolby Laboratories Licensing Corporation Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
US5502789A (en) * 1990-03-07 1996-03-26 Sony Corporation Apparatus for encoding digital data with reduction of perceptible noise
GB9102096D0 (en) * 1991-01-31 1991-07-10 Marconi Gec Ltd Communications apparatus
US5651030A (en) * 1991-05-06 1997-07-22 Motorola, Inc. Receiver with signal classifier
EP0535889B1 (en) * 1991-09-30 1998-11-11 Sony Corporation Method and apparatus for audio data compression
JP3144009B2 (ja) * 1991-12-24 2001-03-07 日本電気株式会社 音声符号復号化装置
US5642437A (en) * 1992-02-22 1997-06-24 Texas Instruments Incorporated System decoder circuit with temporary bit storage and method of operation
EP0559348A3 (en) 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
US5495552A (en) * 1992-04-20 1996-02-27 Mitsubishi Denki Kabushiki Kaisha Methods of efficiently recording an audio signal in semiconductor memory
FR2691311A1 (fr) * 1992-05-12 1993-11-19 Merlin Gerin Dispositif de réception de signaux numériques comportant des moyens de filtrage.
JP3153933B2 (ja) * 1992-06-16 2001-04-09 ソニー株式会社 データ符号化装置及び方法並びにデータ復号化装置及び方法
JP3186292B2 (ja) * 1993-02-02 2001-07-11 ソニー株式会社 高能率符号化方法及び装置
JP3088580B2 (ja) * 1993-02-19 2000-09-18 松下電器産業株式会社 変換符号化装置のブロックサイズ決定法
US5657423A (en) * 1993-02-22 1997-08-12 Texas Instruments Incorporated Hardware filter circuit and address circuitry for MPEG encoded data
US5729556A (en) * 1993-02-22 1998-03-17 Texas Instruments System decoder circuit with temporary bit storage and method of operation
JP3186307B2 (ja) * 1993-03-09 2001-07-11 ソニー株式会社 圧縮データ記録装置及び方法
DE4316297C1 (de) * 1993-05-14 1994-04-07 Fraunhofer Ges Forschung Frequenzanalyseverfahren
US5581654A (en) * 1993-05-25 1996-12-03 Sony Corporation Method and apparatus for information encoding and decoding
JPH0736776A (ja) * 1993-07-23 1995-02-07 Reader Denshi Kk 線形フィルタ処理した複合信号の発生装置及び発生方法
JP2655046B2 (ja) * 1993-09-13 1997-09-17 日本電気株式会社 ベクトル量子化装置
JPH0787327A (ja) * 1993-09-17 1995-03-31 Fuji Xerox Co Ltd 画像符号化装置
DE69428435T2 (de) * 1993-11-04 2002-07-11 Sony Corp., Tokio/Tokyo Signalkodierer, signaldekodierer, aufzeichnungsträger und signalkodiererverfahren
KR0134318B1 (ko) * 1994-01-28 1998-04-29 김광호 채널간의 마스킹특성을 고려한 비트할당장치 및 그 방법과 복호화장치
US5533063A (en) * 1994-01-31 1996-07-02 The Regents Of The University Of California Method and apparatus for multipath channel shaping
US5731767A (en) * 1994-02-04 1998-03-24 Sony Corporation Information encoding method and apparatus, information decoding method and apparatus, information recording medium, and information transmission method
US5608713A (en) * 1994-02-09 1997-03-04 Sony Corporation Bit allocation of digital audio signal blocks by non-linear processing
JP3186412B2 (ja) * 1994-04-01 2001-07-11 ソニー株式会社 情報符号化方法、情報復号化方法、及び情報伝送方法
JP3277682B2 (ja) * 1994-04-22 2002-04-22 ソニー株式会社 情報符号化方法及び装置、情報復号化方法及び装置、並びに情報記録媒体及び情報伝送方法
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
JP3277705B2 (ja) 1994-07-27 2002-04-22 ソニー株式会社 情報符号化装置及び方法、並びに情報復号化装置及び方法
JP3341474B2 (ja) * 1994-07-28 2002-11-05 ソニー株式会社 情報符号化方法及び復号化方法、情報符号化装置及び復号化装置、並びに情報記録媒体
US6167093A (en) * 1994-08-16 2000-12-26 Sony Corporation Method and apparatus for encoding the information, method and apparatus for decoding the information and method for information transmission
US5625743A (en) * 1994-10-07 1997-04-29 Motorola, Inc. Determining a masking level for a subband in a subband audio encoder
JP3557674B2 (ja) * 1994-12-15 2004-08-25 ソニー株式会社 高能率符号化方法及び装置
DE69515907T2 (de) * 1994-12-20 2000-08-17 Dolby Laboratories Licensing Corp., San Francisco Verfahren und gerät zum anwenden von wellenformprädiktion auf teilbänder in einem perzeptiven kodiersystem
US5680506A (en) * 1994-12-29 1997-10-21 Lucent Technologies Inc. Apparatus and method for speech signal analysis
JPH08223049A (ja) * 1995-02-14 1996-08-30 Sony Corp 信号符号化方法及び装置、信号復号化方法及び装置、情報記録媒体並びに情報伝送方法
JP3307138B2 (ja) * 1995-02-27 2002-07-24 ソニー株式会社 信号符号化方法及び装置、並びに信号復号化方法及び装置
US5727119A (en) * 1995-03-27 1998-03-10 Dolby Laboratories Licensing Corporation Method and apparatus for efficient implementation of single-sideband filter banks providing accurate measures of spectral magnitude and phase
JP3152109B2 (ja) * 1995-05-30 2001-04-03 日本ビクター株式会社 オーディオ信号の圧縮伸張方法
JP2776300B2 (ja) * 1995-05-31 1998-07-16 日本電気株式会社 音声信号処理回路
US5878389A (en) * 1995-06-28 1999-03-02 Oregon Graduate Institute Of Science & Technology Method and system for generating an estimated clean speech signal from a noisy speech signal
AU6835296A (en) * 1995-09-22 1997-04-09 Philips Electronics N.V. Transmission system using time dependent filter banks
US5960390A (en) * 1995-10-05 1999-09-28 Sony Corporation Coding method for using multi channel audio signals
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
US5890106A (en) * 1996-03-19 1999-03-30 Dolby Laboratories Licensing Corporation Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation
US5825320A (en) * 1996-03-19 1998-10-20 Sony Corporation Gain control method for audio encoding device
US5913186A (en) * 1996-03-25 1999-06-15 Prometheus, Inc. Discrete one dimensional signal processing apparatus and method using energy spreading coding
US5815206A (en) * 1996-05-03 1998-09-29 Lsi Logic Corporation Method for partitioning hardware and firmware tasks in digital audio/video decoding
US5845249A (en) * 1996-05-03 1998-12-01 Lsi Logic Corporation Microarchitecture of audio core for an MPEG-2 and AC-3 decoder
US5870310A (en) * 1996-05-03 1999-02-09 Lsi Logic Corporation Method and apparatus for designing re-usable core interface shells
US5818532A (en) * 1996-05-03 1998-10-06 Lsi Logic Corporation Micro architecture of video core for MPEG-2 decoder
KR100223169B1 (ko) * 1996-06-14 1999-10-15 윤종용 펄스부호변조된 디지털 오디오신호의 기록 및 재생을 위한 시스템
US5892746A (en) * 1996-06-15 1999-04-06 Samsung Electronics Co., Ltd. System for recording and/or reproducing a pulse code modulation digital audio signal
JP3092653B2 (ja) * 1996-06-21 2000-09-25 日本電気株式会社 広帯域音声符号化装置及び音声復号装置並びに音声符号化復号装置
US5848391A (en) * 1996-07-11 1998-12-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Method subband of coding and decoding audio signals using variable length windows
US5963899A (en) * 1996-08-07 1999-10-05 U S West, Inc. Method and system for region based filtering of speech
JP3622365B2 (ja) * 1996-09-26 2005-02-23 ヤマハ株式会社 音声符号化伝送方式
JP3496411B2 (ja) * 1996-10-30 2004-02-09 ソニー株式会社 情報符号化方法及び復号化装置
JP4326031B2 (ja) * 1997-02-06 2009-09-02 ソニー株式会社 帯域合成フィルタバンク及びフィルタリング方法並びに復号化装置
US6236647B1 (en) 1998-02-24 2001-05-22 Tantivy Communications, Inc. Dynamic frame size adjustment and selective reject on a multi-link channel to improve effective throughput and bit error rate
US6151332A (en) 1997-06-20 2000-11-21 Tantivy Communications, Inc. Protocol conversion and bandwidth reduction technique providing multiple nB+D ISDN basic rate interface links over a wireless code division multiple access communication system
US6542481B2 (en) 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
US6081536A (en) * 1997-06-20 2000-06-27 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US6356545B1 (en) * 1997-08-08 2002-03-12 Clarent Corporation Internet telephone system with dynamically varying codec
US8032808B2 (en) * 1997-08-08 2011-10-04 Mike Vargo System architecture for internet telephone
JP3279228B2 (ja) * 1997-08-09 2002-04-30 日本電気株式会社 符号化音声復号装置
DE19736669C1 (de) * 1997-08-22 1998-10-22 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Erfassen eines Anschlags in einem zeitdiskreten Audiosignal sowie Vorrichtung und Verfahren zum Codieren eines Audiosignals
US5903872A (en) * 1997-10-17 1999-05-11 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to attenuate spectral splatter at frame boundaries
US5913190A (en) * 1997-10-17 1999-06-15 Dolby Laboratories Licensing Corporation Frame-based audio coding with video/audio data synchronization by audio sample rate conversion
US20040160910A1 (en) * 1997-12-17 2004-08-19 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US7394791B2 (en) * 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
US7496072B2 (en) * 1997-12-17 2009-02-24 Interdigital Technology Corporation System and method for controlling signal strength over a reverse link of a CDMA wireless communication system
US6222832B1 (en) * 1998-06-01 2001-04-24 Tantivy Communications, Inc. Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
US7936728B2 (en) * 1997-12-17 2011-05-03 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US7079523B2 (en) * 2000-02-07 2006-07-18 Ipr Licensing, Inc. Maintenance link using active/standby request channels
US6345125B2 (en) * 1998-02-25 2002-02-05 Lucent Technologies Inc. Multiple description transform coding using optimal transforms of arbitrary dimension
US6125212A (en) * 1998-04-29 2000-09-26 Hewlett-Packard Company Explicit DST-based filter operating in the DCT domain
US8134980B2 (en) * 1998-06-01 2012-03-13 Ipr Licensing, Inc. Transmittal of heartbeat signal at a lower level than heartbeat request
US7221664B2 (en) * 1998-06-01 2007-05-22 Interdigital Technology Corporation Transmittal of heartbeat signal at a lower level than heartbeat request
US7773566B2 (en) * 1998-06-01 2010-08-10 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
US6266003B1 (en) * 1998-08-28 2001-07-24 Sigma Audio Research Limited Method and apparatus for signal processing for time-scale and/or pitch modification of audio signals
JP2000101439A (ja) 1998-09-24 2000-04-07 Sony Corp 情報処理装置および方法、情報記録装置および方法、記録媒体、並びに提供媒体
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
JP2000134105A (ja) * 1998-10-29 2000-05-12 Matsushita Electric Ind Co Ltd オーディオ変換符号化に用いられるブロックサイズを決定し適応させる方法
US6311154B1 (en) 1998-12-30 2001-10-30 Nokia Mobile Phones Limited Adaptive windows for analysis-by-synthesis CELP-type speech coding
US6226608B1 (en) 1999-01-28 2001-05-01 Dolby Laboratories Licensing Corporation Data framing for adaptive-block-length coding system
TW477119B (en) * 1999-01-28 2002-02-21 Winbond Electronics Corp Byte allocation method and device for speech synthesis
EP1155360B1 (en) 1999-02-04 2007-10-17 Quvis, Inc. Quality priority image storage and communication
US6604071B1 (en) * 1999-02-09 2003-08-05 At&T Corp. Speech enhancement with gain limitations based on speech activity
US7593380B1 (en) 1999-03-05 2009-09-22 Ipr Licensing, Inc. Variable rate forward error correction for enabling high performance communication
US6785323B1 (en) * 1999-11-22 2004-08-31 Ipr Licensing, Inc. Variable rate coding for forward link
US6973140B2 (en) * 1999-03-05 2005-12-06 Ipr Licensing, Inc. Maximizing data rate by adjusting codes and code rates in CDMA system
US6614776B1 (en) 1999-04-28 2003-09-02 Tantivy Communications, Inc. Forward error correction scheme for high rate data exchange in a wireless system
EP1076297A1 (en) * 1999-08-09 2001-02-14 Deutsche Thomson-Brandt Gmbh Method for fast Fourier transformation of audio signals
SE514875C2 (sv) 1999-09-07 2001-05-07 Ericsson Telefon Ab L M Förfarande och anordning för konstruktion av digitala filter
US6526034B1 (en) 1999-09-21 2003-02-25 Tantivy Communications, Inc. Dual mode subscriber unit for short range, high rate and long range, lower rate data communications
US7315815B1 (en) * 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
WO2001058044A2 (en) * 2000-02-07 2001-08-09 Tantivy Communications, Inc. Minimal maintenance link to support synchronization
AT408595B (de) * 2000-02-18 2002-01-25 Ericsson Ahead Comm Systems Gm Datenübertragungssystem
US6735561B1 (en) * 2000-03-29 2004-05-11 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
US6647365B1 (en) * 2000-06-02 2003-11-11 Lucent Technologies Inc. Method and apparatus for detecting noise-like signal components
US6748363B1 (en) * 2000-06-28 2004-06-08 Texas Instruments Incorporated TI window compression/expansion method
US20020040299A1 (en) * 2000-07-31 2002-04-04 Kenichi Makino Apparatus and method for performing orthogonal transform, apparatus and method for performing inverse orthogonal transform, apparatus and method for performing transform encoding, and apparatus and method for encoding data
ATE354850T1 (de) * 2000-11-03 2007-03-15 Koninkl Philips Electronics Nv Kodierung von audiosignalen
ES2611489T3 (es) * 2000-11-16 2017-05-09 Sony Corporation Aparato de procesamiento de información y aparato de comunicación
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US7447639B2 (en) * 2001-01-24 2008-11-04 Nokia Corporation System and method for error concealment in digital audio transmission
US7069208B2 (en) 2001-01-24 2006-06-27 Nokia, Corp. System and method for concealment of data loss in digital audio transmission
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
US6954448B2 (en) 2001-02-01 2005-10-11 Ipr Licensing, Inc. Alternate channel for carrying selected message types
US6915264B2 (en) * 2001-02-22 2005-07-05 Lucent Technologies Inc. Cochlear filter bank structure for determining masked thresholds for use in perceptual audio coding
AUPR433901A0 (en) 2001-04-10 2001-05-17 Lake Technology Limited High frequency signal construction method
CN1274153C (zh) * 2001-04-18 2006-09-06 皇家菲利浦电子有限公司 部分加密的声频编码
BR0205151A (pt) * 2001-05-08 2005-04-12 Koninkl Philips Electronics Nv Método e arranjo para incorporar uma marca d'água em um sinal de informação, sinal de informação possuindo uma marca d'água incorporada, meio de armazenamento, arranjo para detectar uma marca d'água em um sinal de informação, e, dispositivo para transmitir um sinal de informação
FR2824978B1 (fr) * 2001-05-15 2003-09-19 Wavecom Sa Dispositif et procede de traitement d'un signal audio
ES2614202T3 (es) 2001-06-13 2017-05-30 Intel Corporation Método y aparato para la transmisión de una señal de latido de corazón a un nivel inferior que la solicitud de latido de corazón
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
CN100395817C (zh) 2001-11-14 2008-06-18 松下电器产业株式会社 编码设备、解码设备和解码方法
US6785645B2 (en) 2001-11-29 2004-08-31 Microsoft Corporation Real-time speech and music classifier
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US7460993B2 (en) * 2001-12-14 2008-12-02 Microsoft Corporation Adaptive window-size selection in transform coding
US6618128B2 (en) * 2002-01-23 2003-09-09 Csi Technology, Inc. Optical speed sensing system
US20030187663A1 (en) 2002-03-28 2003-10-02 Truman Michael Mead Broadband frequency translation for high frequency regeneration
CN1308913C (zh) * 2002-04-11 2007-04-04 松下电器产业株式会社 编码设备、解码设备及其方法
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
US7389226B2 (en) * 2002-10-29 2008-06-17 Ntt Docomo, Inc. Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard
KR100467617B1 (ko) * 2002-10-30 2005-01-24 삼성전자주식회사 개선된 심리 음향 모델을 이용한 디지털 오디오 부호화방법과그 장치
EP1439712A1 (en) * 2002-12-17 2004-07-21 Visiowave S.A. Method of selecting among "Spatial Video CODEC's" the optimum CODEC for a same input signal
US7512534B2 (en) * 2002-12-17 2009-03-31 Ntt Docomo, Inc. Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard
US7318027B2 (en) * 2003-02-06 2008-01-08 Dolby Laboratories Licensing Corporation Conversion of synthesized spectral components for encoding and low-complexity transcoding
PL377355A1 (pl) * 2003-02-06 2006-02-06 Dolby Laboratories Licensing Corporation Ciągła fonia zapasowa
TW594674B (en) * 2003-03-14 2004-06-21 Mediatek Inc Encoder and a encoding method capable of detecting audio signal transient
US7318035B2 (en) * 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
US20050041758A1 (en) * 2003-08-04 2005-02-24 Lowell Rosen Holographic ranging apparatus and methods
US7460990B2 (en) * 2004-01-23 2008-12-02 Microsoft Corporation Efficient coding of digital media spectral data using wide-sense perceptual similarity
US7516064B2 (en) * 2004-02-19 2009-04-07 Dolby Laboratories Licensing Corporation Adaptive hybrid transform for signal analysis and synthesis
SG149871A1 (en) 2004-03-01 2009-02-27 Dolby Lab Licensing Corp Multichannel audio coding
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
MXPA06012617A (es) * 2004-05-17 2006-12-15 Nokia Corp Codificacion de audio con diferentes longitudes de cuadro de codificacion.
KR100608062B1 (ko) 2004-08-04 2006-08-02 삼성전자주식회사 오디오 데이터의 고주파수 복원 방법 및 그 장치
CN101032143B (zh) * 2004-08-31 2011-06-08 艾利森电话股份有限公司 用于实时传输协议中帧大小适配的方法及系统
US7937271B2 (en) 2004-09-17 2011-05-03 Digital Rise Technology Co., Ltd. Audio decoding using variable-length codebook application ranges
US8744862B2 (en) 2006-08-18 2014-06-03 Digital Rise Technology Co., Ltd. Window selection based on transient detection and location to provide variable time resolution in processing frame-based data
ES2791001T3 (es) * 2004-11-02 2020-10-30 Koninklijke Philips Nv Codificación y decodificación de señales de audio mediante el uso de bancos de filtros de valor complejo
KR100668319B1 (ko) * 2004-12-07 2007-01-12 삼성전자주식회사 오디오 신호의 변환방법 및 장치와 오디오 신호에적응적인 부호화방법 및 장치, 오디오 신호의 역변환 방법및 장치와 오디오 신호에 적응적인 복호화 방법 및 장치
CN1811911B (zh) * 2005-01-28 2010-06-23 北京捷通华声语音技术有限公司 自适应的语音变换处理方法
US9626973B2 (en) * 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
EP1851866B1 (en) * 2005-02-23 2011-08-17 Telefonaktiebolaget LM Ericsson (publ) Adaptive bit allocation for multi-channel audio encoding
KR100736607B1 (ko) * 2005-03-31 2007-07-09 엘지전자 주식회사 오디오 부호화 방법 및 장치
US20060224390A1 (en) * 2005-04-01 2006-10-05 Pai Ramadas L System, method, and apparatus for audio decoding accelerator
US7627481B1 (en) * 2005-04-19 2009-12-01 Apple Inc. Adapting masking thresholds for encoding a low frequency transient signal in audio data
US7418394B2 (en) * 2005-04-28 2008-08-26 Dolby Laboratories Licensing Corporation Method and system for operating audio encoders utilizing data from overlapping audio segments
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
JP4639966B2 (ja) * 2005-05-31 2011-02-23 ヤマハ株式会社 オーディオデータ圧縮方法およびオーディオデータ圧縮回路並びにオーディオデータ伸張回路
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
US7996216B2 (en) * 2005-07-11 2011-08-09 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signal
US7546240B2 (en) * 2005-07-15 2009-06-09 Microsoft Corporation Coding with improved time resolution for selected segments via adaptive block transformation of a group of samples from a subband decomposition
WO2007029304A1 (ja) 2005-09-05 2007-03-15 Fujitsu Limited オーディオ符号化装置及びオーディオ符号化方法
US7774396B2 (en) 2005-11-18 2010-08-10 Dynamic Hearing Pty Ltd Method and device for low delay processing
US8126706B2 (en) * 2005-12-09 2012-02-28 Acoustic Technologies, Inc. Music detector for echo cancellation and noise reduction
WO2007095664A1 (en) * 2006-02-21 2007-08-30 Dynamic Hearing Pty Ltd Method and device for low delay processing
US8428197B2 (en) * 2006-06-01 2013-04-23 Qualcomm Incorporated Enhanced channel estimation for communication system receiver
CN101479788B (zh) * 2006-06-29 2012-01-11 Nxp股份有限公司 声音帧长度适配
EP2038882A2 (en) 2006-06-29 2009-03-25 Nxp B.V. Decoding sound parameters
US7987089B2 (en) * 2006-07-31 2011-07-26 Qualcomm Incorporated Systems and methods for modifying a zero pad region of a windowed frame of an audio signal
US7461106B2 (en) * 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
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
WO2008049590A1 (en) 2006-10-25 2008-05-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
USRE50158E1 (en) 2006-10-25 2024-10-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples
PL2052548T3 (pl) 2006-12-12 2012-08-31 Fraunhofer Ges Forschung Koder, dekoder oraz sposoby kodowania i dekodowania segmentów danych reprezentujących strumień danych w dziedzinie czasu
DE602008001787D1 (de) * 2007-02-12 2010-08-26 Dolby Lab Licensing Corp Verbessertes verhältnis von sprachlichen zu nichtsprachlichen audio-inhalten für ältere oder hörgeschädigte zuhörer
ES2391228T3 (es) 2007-02-26 2012-11-22 Dolby Laboratories Licensing Corporation Realce de voz en audio de entretenimiento
US8630863B2 (en) * 2007-04-24 2014-01-14 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding audio/speech signal
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
US7761290B2 (en) 2007-06-15 2010-07-20 Microsoft Corporation Flexible frequency and time partitioning in perceptual transform coding of audio
US7885819B2 (en) 2007-06-29 2011-02-08 Microsoft Corporation Bitstream syntax for multi-process audio decoding
ES2823560T3 (es) * 2007-08-27 2021-05-07 Ericsson Telefon Ab L M Análisis/síntesis espectral de baja complejidad utilizando resolución temporal seleccionable
US8370133B2 (en) 2007-08-27 2013-02-05 Telefonaktiebolaget L M Ericsson (Publ) Method and device for noise filling
US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US8249883B2 (en) * 2007-10-26 2012-08-21 Microsoft Corporation Channel extension coding for multi-channel source
US20090144054A1 (en) * 2007-11-30 2009-06-04 Kabushiki Kaisha Toshiba Embedded system to perform frame switching
ES2666719T3 (es) * 2007-12-21 2018-05-07 Orange Codificación/decodificación por transformada, con ventanas adaptativas
KR101441897B1 (ko) * 2008-01-31 2014-09-23 삼성전자주식회사 잔차 신호 부호화 방법 및 장치와 잔차 신호 복호화 방법및 장치
US7889103B2 (en) * 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
US8630848B2 (en) 2008-05-30 2014-01-14 Digital Rise Technology Co., Ltd. Audio signal transient detection
EP2144171B1 (en) * 2008-07-11 2018-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder for encoding and decoding frames of a sampled audio signal
MX2011000375A (es) 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada.
KR101619972B1 (ko) 2008-10-02 2016-05-11 한국전자통신연구원 이산 여현 변환/이산 정현 변환을 선택적으로 이용하는 부호화/복호화 장치 및 방법
CN101763856B (zh) * 2008-12-23 2011-11-02 华为技术有限公司 信号分类处理方法、分类处理装置及编码系统
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) * 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
AU2010225051B2 (en) 2009-03-17 2013-06-13 Dolby International Ab Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
ES2374486T3 (es) * 2009-03-26 2012-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dispositivo y método para manipular una señal de audio.
TWI643187B (zh) 2009-05-27 2018-12-01 瑞典商杜比國際公司 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
US9245529B2 (en) * 2009-06-18 2016-01-26 Texas Instruments Incorporated Adaptive encoding of a digital signal with one or more missing values
US8781822B2 (en) * 2009-12-22 2014-07-15 Qualcomm Incorporated Audio and speech processing with optimal bit-allocation for constant bit rate applications
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
CN102222505B (zh) * 2010-04-13 2012-12-19 中兴通讯股份有限公司 可分层音频编解码方法系统及瞬态信号可分层编解码方法
US9215470B2 (en) 2010-07-09 2015-12-15 Qualcomm Incorporated Signaling selected directional transform for video coding
US8762158B2 (en) * 2010-08-06 2014-06-24 Samsung Electronics Co., Ltd. Decoding method and decoding apparatus therefor
EP2617199B1 (en) * 2010-09-14 2018-01-24 BlackBerry Limited Methods and devices for data compression with adaptive filtering in the transform domain
WO2012039920A1 (en) * 2010-09-22 2012-03-29 Dolby Laboratories Licensing Corporation Efficient implementation of phase shift filtering for decorrelation and other applications in an audio coding system
WO2012048472A1 (en) * 2010-10-15 2012-04-19 Huawei Technologies Co., Ltd. Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing method, windower, transformer and inverse transformer
US10992958B2 (en) 2010-12-29 2021-04-27 Qualcomm Incorporated Video coding using mapped transforms and scanning modes
JP5799707B2 (ja) * 2011-09-26 2015-10-28 ソニー株式会社 オーディオ符号化装置およびオーディオ符号化方法、オーディオ復号装置およびオーディオ復号方法、並びにプログラム
US20130332498A1 (en) * 2012-05-21 2013-12-12 Stmicroelectronics, Inc. Method and apparatus for efficient frequency-domain implementation of time-varying filters
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
US8867862B1 (en) * 2012-12-21 2014-10-21 The United States Of America As Represented By The Secretary Of The Navy Self-optimizing analysis window sizing method
JP6175148B2 (ja) 2013-02-20 2017-08-02 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン マルチオーバーラップ部分を使用して符号化済み信号を生成し又は符号化済みオーディオ信号を復号化するための装置及び方法
UA114967C2 (uk) * 2013-04-05 2017-08-28 Долбі Інтернешнл Аб Звукові кодувальний пристрій і декодувальний пристрій
TWI557727B (zh) * 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
CN104143341B (zh) * 2013-05-23 2015-10-21 腾讯科技（深圳）有限公司 爆音检测方法和装置
EP2830058A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequency-domain audio coding supporting transform length switching
CN105336336B (zh) * 2014-06-12 2016-12-28 华为技术有限公司 一种音频信号的时域包络处理方法及装置、编码器
EP2980791A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions
US9479216B2 (en) * 2014-07-28 2016-10-25 Uvic Industry Partnerships Inc. Spread spectrum method and apparatus
EP3067889A1 (en) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method and apparatus for signal-adaptive transform kernel switching in audio coding
US9967122B2 (en) * 2016-01-19 2018-05-08 Qualcomm Incorporated Techniques for extending an OFDM waveform for multiplexing
CN106487383B (zh) * 2016-10-26 2019-07-16 四川理工学院 一种降低模数转换量化误差的方法
DE112016007498B4 (de) * 2016-12-06 2020-11-26 Mitsubishi Electric Corporation Untersuchungseinrichtung und untersuchungsverfahren
US10003377B1 (en) * 2016-12-19 2018-06-19 Cisco Technology, Inc. Spread spectrum acoustic communication techniques
US10404319B1 (en) 2018-07-09 2019-09-03 Cisco Technology, Inc. Fast correlation of prometheus orthonormal sets (PONS) for communications
US10396846B1 (en) 2018-10-12 2019-08-27 Cisco Technology, Inc. Adaptive decoding of spread spectrum signals using multiple correlator peaks
US10601459B1 (en) 2018-11-02 2020-03-24 Cisco Technology, Inc. Efficient handling of clock offset in spread spectrum decoders
WO2020094263A1 (en) * 2018-11-05 2020-05-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and audio signal processor, for providing a processed audio signal representation, audio decoder, audio encoder, methods and computer programs
CN109728827B (zh) * 2018-12-13 2022-11-11 航天恒星科技有限公司 一种序列辅助捕获低信噪比tpc编译码系统
US11165414B2 (en) 2019-12-20 2021-11-02 Infineon Technologies Ag Reconfigurable filter network with shortened settling time
CN113470692B (zh) * 2020-03-31 2024-02-02 抖音视界有限公司 音频处理方法、装置、可读介质及电子设备
CN112067887B (zh) * 2020-09-09 2021-08-27 山东大学 基于滤波器正交特性的采样值丢失情况下相量计算方法
EP4295363A4 (en) * 2021-02-18 2024-11-20 Telefonaktiebolaget LM Ericsson (publ) ENCODING AND DECODING COMPLEX DATA
CN113791666B (zh) * 2021-08-24 2023-03-07 电子科技大学 一种基于多dac的宽带高精度任意波形合成方法
CN114838809B (zh) * 2022-03-22 2024-10-18 珠海市运泰利自动化设备有限公司 一种自适应提高频率测量精度的音频信号测量方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3506912A1 (de) * 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals
JP2792853B2 (ja) * 1986-06-27 1998-09-03 トムソン コンシューマー エレクトロニクス セイルズ ゲゼルシャフト ミット ベシュレンクテル ハフツング オーディオ信号の伝送方法及び装置
NL8700985A (nl) * 1987-04-27 1988-11-16 Philips Nv Systeem voor sub-band codering van een digitaal audiosignaal.
US5142656A (en) * 1989-01-27 1992-08-25 Dolby Laboratories Licensing Corporation Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio
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
AU643677B2 (en) * 1989-01-27 1993-11-25 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
US5166686A (en) * 1989-06-30 1992-11-24 Nec Corporation Variable length block coding with changing characteristics of input samples
JP2844695B2 (ja) * 1989-07-19 1999-01-06 ソニー株式会社 信号符号化装置
US5115240A (en) * 1989-09-26 1992-05-19 Sony Corporation Method and apparatus for encoding voice signals divided into a plurality of frequency bands
US5235623A (en) * 1989-11-14 1993-08-10 Nec Corporation Adaptive transform coding by selecting optimum block lengths according to variatons between successive blocks
JP2913731B2 (ja) * 1990-03-07 1999-06-28 ソニー株式会社 ディジタルデータの高能率符号化方法

Also Published As

Publication number Publication date
EP0524264B1 (en) 1995-03-01
WO1991016769A1 (en) 1991-10-31
CN1062963C (zh) 2001-03-07
DE69107841T2 (de) 1995-08-17
CN1055830A (zh) 1991-10-30
KR100193353B1 (ko) 1999-06-15
AU644170B2 (en) 1993-12-02
JPH05506345A (ja) 1993-09-16
DE69107841D1 (de) 1995-04-06
BR9106332A (pt) 1993-04-20
AU7760891A (en) 1991-11-11
ATE119336T1 (de) 1995-03-15
DK0524264T3 (da) 1995-05-01
US5394473A (en) 1995-02-28
JP3224130B2 (ja) 2001-10-29
CA2059141C (en) 2002-01-01
CA2059141A1 (en) 1991-10-13
EP0524264A1 (en) 1993-01-27

Similar Documents

Publication Publication Date Title
ES2068580T3 (es) Codificador y descodificador de longitud de bloque adaptable, de transformada adaptable y de transformada con ventana adaptable para audioseñales de alta calidad.
ES2119932T3 (es) Formateo de señal codificada para codificador y descodificador de sistema de audio de alta calidad.
ES2223591T3 (es) Codificacion eficaz de envolvente especial utilizando una resolucion tiempo/frecuencia variable.
DE69026278D1 (de) Adaptiv Bitzuordnung für Audio-Koder und Dekoder
PT1125285E (pt) Melhoramento da periodicidade na descodificacao de sinais de banda larga
ATE182041T1 (de) Kompakte quellencodierungstabellen für codierungs-/decodierungssystem
CA2317322A1 (en) Method and apparatus for sub-band coding and decoding
RU2006139794A (ru) Поддержка переключения между режимами звукового кодера
ATE521177T1 (de) Sphärischer dekoder für drahtlose kommunikationen
ES2155449T3 (es) Metodo y aparato para la codificacion, decodificacion y compresion de datos de tipo audio.
NO20071493L (no) Individuell kanalforming for BCC-fremgangsmater og desslike.
PT864146E (pt) Codificador previsto multicanal de sub-banda com utilizacao de atribuicao psicoacustica adaptativa de bits
AR019938A1 (es) Un dispositivo y metodo para codificar y descodificar informacion de palabras multiples por intercalado a favor de la direccion de la palabra y el portador de almacenamiento
RU94044524A (ru) Способы декодирования потока данных, системы и способы для разворачивания потока сжатых данных, способы и системы создания составного кодового потока и его декодирования, способ кодирования потока данных, кодеры, система передачи видеосигналов
NO20075782L (no) Subbands talekodek med flertrinns kodebok og redundant koding
ATE239291T1 (de) Skalierbares kodierungsverfahren für hochqualitätsaudio
BR9705838B1 (pt) processo de codificação de áudio escalonável, aparelho de codificação de sinais de áudio, processo de decodificação de áudio escalonável, e aparelho de decodificação de áudio escalonável.
ES2143868T3 (es) Procedimiento para codificar y decodificar valores espectrales estereo audio.
ATE520122T1 (de) Sprachkodierung und sprachdekodierung
RU2007141936A (ru) Кодирование информации без потерь с гарантированной максимальной битовой скоростью
EA200200082A1 (ru) УСТРОЙСТВО КОДИРОВАНИЯ/ДЕКОДИРОВАНИЯ n-РАЗРЯДНЫХ ИСХОДНЫХ СЛОВ В СООТВЕТСТВУЮЩИЕ m-РАЗРЯДНЫЕ СЛОВА КАНАЛА ПЕРЕДАЧИ И ОБРАТНО
SE9603332L (sv) Metod och anordning för att alstra komfortbrus i linjärprediktiv talavkodare
JP2001075600A (ja) 音声符号化装置および音声復号化装置
JP2004252068A (ja) デジタルオーディオ信号の符号化装置及び方法
IT1270439B (it) Procedimento e dispositivo per la quantizzazione dei parametri spettrali in codificatori numerici della voce

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 524264

Country of ref document: ES