ATE457512T1 - Audiocodierung mit verschiedenen codierungsrahmenlängen - Google Patents

Audiocodierung mit verschiedenen codierungsrahmenlängen

Info

Publication number
ATE457512T1
ATE457512T1 AT04733394T AT04733394T ATE457512T1 AT E457512 T1 ATE457512 T1 AT E457512T1 AT 04733394 T AT04733394 T AT 04733394T AT 04733394 T AT04733394 T AT 04733394T AT E457512 T1 ATE457512 T1 AT E457512T1
Authority
AT
Austria
Prior art keywords
coding
coding frame
frame length
audio signal
different
Prior art date
Application number
AT04733394T
Other languages
English (en)
Inventor
Jari Maekinen
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE457512T1 publication Critical patent/ATE457512T1/de

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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT04733394T 2004-05-17 2004-05-17 Audiocodierung mit verschiedenen codierungsrahmenlängen ATE457512T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/001585 WO2005112003A1 (en) 2004-05-17 2004-05-17 Audio encoding with different coding frame lengths

Publications (1)

Publication Number Publication Date
ATE457512T1 true ATE457512T1 (de) 2010-02-15

Family

ID=34957451

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04733394T ATE457512T1 (de) 2004-05-17 2004-05-17 Audiocodierung mit verschiedenen codierungsrahmenlängen

Country Status (13)

Country Link
US (1) US7860709B2 (de)
EP (1) EP1747554B1 (de)
JP (1) JP2007538282A (de)
CN (1) CN1954364B (de)
AT (1) ATE457512T1 (de)
AU (1) AU2004319556A1 (de)
BR (1) BRPI0418838A (de)
CA (1) CA2566368A1 (de)
DE (1) DE602004025517D1 (de)
ES (1) ES2338117T3 (de)
MX (1) MXPA06012617A (de)
TW (1) TW200609902A (de)
WO (1) WO2005112003A1 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
JP2009524101A (ja) * 2006-01-18 2009-06-25 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
JP5134623B2 (ja) 2006-07-07 2013-01-30 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 複数のパラメータ的に符号化された音源を合成するための概念
USRE50746E1 (en) 2006-07-07 2026-01-06 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for combining multiple parametrically coded audio sources
US7966175B2 (en) 2006-10-18 2011-06-21 Polycom, Inc. Fast lattice vector quantization
US7953595B2 (en) 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
US20100332223A1 (en) * 2006-12-13 2010-12-30 Panasonic Corporation Audio decoding device and power adjusting method
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
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
JPWO2009038170A1 (ja) * 2007-09-21 2011-01-06 日本電気株式会社 音声処理装置、音声処理方法、プログラム及び音楽・メロディ配信システム
WO2009038115A1 (ja) * 2007-09-21 2009-03-26 Nec Corporation 音声符号化装置、音声符号化方法及びプログラム
MX2010003638A (es) * 2007-10-15 2010-04-21 Lg Electronics Inc Un metodo y un aparato para procesar una se?al.
AU2008326956B2 (en) * 2007-11-21 2011-02-17 Lg Electronics Inc. A method and an apparatus for processing a signal
DE602008005250D1 (de) 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
MY181247A (en) * 2008-07-11 2020-12-21 Frauenhofer Ges Zur Forderung Der Angenwandten Forschung E V Audio encoder and decoder for encoding and decoding audio samples
KR20100007738A (ko) * 2008-07-14 2010-01-22 한국전자통신연구원 음성/오디오 통합 신호의 부호화/복호화 장치
WO2010067799A1 (ja) * 2008-12-09 2010-06-17 日本電信電話株式会社 符号化方法、復号方法、それらの装置、プログラム及び記録媒体
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
US8457975B2 (en) * 2009-01-28 2013-06-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program
JP4977157B2 (ja) * 2009-03-06 2012-07-18 株式会社エヌ・ティ・ティ・ドコモ 音信号符号化方法、音信号復号方法、符号化装置、復号装置、音信号処理システム、音信号符号化プログラム、及び、音信号復号プログラム
EP2489041B1 (de) * 2009-10-15 2020-05-20 VoiceAge Corporation Simultanes zeit-domänen und frequenz-domänen-rauschenformen für tdac-trasnformationen
EP3079152B1 (de) * 2010-07-02 2018-06-06 Dolby International AB Audiodekodierung mit selektiver nachfilterung
MX351072B (es) * 2010-12-17 2017-09-28 Mitsubishi Electric Corp Dispositivo de codificación de imagen, dispositivo de decodificación de imagen, método de codificación de imagen y método de decodificación de imagen.
TR201908598T4 (tr) 2011-02-14 2019-07-22 Fraunhofer Ges Forschung Bir ses sinyalinin hizalı bir ileriye dönük kısımdan faydalanılarak enkode edilmesi için cihaz ve yöntem.
ES2458436T3 (es) 2011-02-14 2014-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Representación de señal de información utilizando transformada superpuesta
AR085218A1 (es) 2011-02-14 2013-09-18 Fraunhofer Ges Forschung Aparato y metodo para ocultamiento de error en voz unificada con bajo retardo y codificacion de audio
MY159444A (en) * 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
MX2013009303A (es) 2011-02-14 2013-09-13 Fraunhofer Ges Forschung Codec de audio utilizando sintesis de ruido durante fases inactivas.
PL2676267T3 (pl) 2011-02-14 2017-12-29 Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio
AR085362A1 (es) 2011-02-14 2013-09-25 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral
EP2676266B1 (de) 2011-02-14 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auf linearer Prädiktionscodierung basierendes Codierschema unter Verwendung von Spektralbereichsrauschformung
AU2012217216B2 (en) 2011-02-14 2015-09-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
KR101742136B1 (ko) 2011-03-18 2017-05-31 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 오디오 콘텐츠를 표현하는 비트스트림의 프레임들 내의 프레임 요소 배치
WO2013081663A1 (en) * 2011-12-02 2013-06-06 Intel Corporation Methods, systems, and apparatuses to enable short frames
CN107342094B (zh) 2011-12-21 2021-05-07 华为技术有限公司 非常短的基音周期检测和编码
US9111531B2 (en) * 2012-01-13 2015-08-18 Qualcomm Incorporated Multiple coding mode signal classification
CN103426441B (zh) 2012-05-18 2016-03-02 华为技术有限公司 检测基音周期的正确性的方法和装置
CN108074579B (zh) 2012-11-13 2022-06-24 三星电子株式会社 用于确定编码模式的方法以及音频编码方法
CA2979260C (en) * 2013-01-29 2020-07-07 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for coding mode switching compensation
CN110517700B (zh) 2013-01-29 2023-06-09 弗劳恩霍夫应用研究促进协会 用于选择第一编码算法与第二编码算法中的一个的装置
EP2830058A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Frequenzbereichsaudiocodierung mit Unterstützung von Transformationslängenschaltung
EP2980795A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierung und -decodierung mit Nutzung eines Frequenzdomänenprozessors, eines Zeitdomänenprozessors und eines Kreuzprozessors zur Initialisierung des Zeitdomänenprozessors
EP2980794A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor
CN105632503B (zh) * 2014-10-28 2019-09-03 南宁富桂精密工业有限公司 信息隐藏方法及系统
MX2023004261A (es) * 2020-10-15 2023-04-26 Voiceage Corp Metodo y dispositivo para la deteccion del ancho de banda de audio y la conmutacion del ancho de banda de audio en un codec de audio.

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5235623A (en) * 1989-11-14 1993-08-10 Nec Corporation Adaptive transform coding by selecting optimum block lengths according to variatons between successive blocks
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
US5327518A (en) * 1991-08-22 1994-07-05 Georgia Tech Research Corporation Audio analysis/synthesis system
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
JPH06180948A (ja) * 1992-12-11 1994-06-28 Sony Corp ディジタル信号処理装置又は方法、及び記録媒体
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
US5913191A (en) * 1997-10-17 1999-06-15 Dolby Laboratories Licensing Corporation Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
ES2247741T3 (es) * 1998-01-22 2006-03-01 Deutsche Telekom Ag Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio.
US5963897A (en) * 1998-02-27 1999-10-05 Lernout & Hauspie Speech Products N.V. Apparatus and method for hybrid excited linear prediction speech encoding
US6449590B1 (en) * 1998-08-24 2002-09-10 Conexant Systems, Inc. Speech encoder using warping in long term preprocessing
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
US6633841B1 (en) * 1999-07-29 2003-10-14 Mindspeed Technologies, Inc. Voice activity detection speech coding to accommodate music signals
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
US7315815B1 (en) * 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
EP1199711A1 (de) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Kodierung von Audiosignalen unter Verwendung von Vergrösserung der Bandbreite
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
US7460993B2 (en) * 2001-12-14 2008-12-02 Microsoft Corporation Adaptive window-size selection in transform coding
KR100880480B1 (ko) * 2002-02-21 2009-01-28 엘지전자 주식회사 디지털 오디오 신호의 실시간 음악/음성 식별 방법 및시스템
WO2003077235A1 (en) * 2002-03-12 2003-09-18 Nokia Corporation Efficient improvements in scalable audio coding
EP1383110A1 (de) * 2002-07-17 2004-01-21 STMicroelectronics N.V. Verfahren und Vorrichtung für Breitbandsprachkodierung, insbesondere mit einer verbesserten Qualität der stimmhaften Rahmen
KR100467617B1 (ko) * 2002-10-30 2005-01-24 삼성전자주식회사 개선된 심리 음향 모델을 이용한 디지털 오디오 부호화방법과그 장치
US20050004793A1 (en) * 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
US7325023B2 (en) * 2003-09-29 2008-01-29 Sony Corporation Method of making a window type decision based on MDCT data in audio encoding
US7809579B2 (en) * 2003-12-19 2010-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Fidelity-optimized variable frame length encoding
GB0408856D0 (en) * 2004-04-21 2004-05-26 Nokia Corp Signal encoding

Also Published As

Publication number Publication date
ES2338117T3 (es) 2010-05-04
DE602004025517D1 (de) 2010-03-25
US20050267742A1 (en) 2005-12-01
CN1954364A (zh) 2007-04-25
BRPI0418838A (pt) 2007-11-13
MXPA06012617A (es) 2006-12-15
CA2566368A1 (en) 2005-11-24
AU2004319556A1 (en) 2005-11-24
WO2005112003A1 (en) 2005-11-24
TW200609902A (en) 2006-03-16
EP1747554A1 (de) 2007-01-31
JP2007538282A (ja) 2007-12-27
CN1954364B (zh) 2011-06-01
EP1747554B1 (de) 2010-02-10
US7860709B2 (en) 2010-12-28

Similar Documents

Publication Publication Date Title
ATE457512T1 (de) Audiocodierung mit verschiedenen codierungsrahmenlängen
ATE371926T1 (de) Audiocodierung mit verschiedenen codierungsmodellen
SI1478188T1 (sl) Postopek kodiranja slike in postopek dekodiranja slike
WO2006055239A3 (en) Identification of units in customized production
DE602006018908D1 (de) Redundanter Audio Bitstrom und Verfahren zur Vearbeitung von Audio Bitströmen
EP1489599A4 (de) Codierungseinrichtung, decodierungseinrichtung, codierungsverfahren und decodierungsverfahren
BRPI0511158A (pt) método para suportar uma codificação de um sinal de áudio, módulo para codificar seções consecutivas de um sinal de áudio, dispositivo eletrÈnico, sistema de codificação de áudio, e, produto de programa de software
DE60204038D1 (de) Vorrichtung zum codieren bzw. decodieren eines audiosignals
DE60307252D1 (de) Einrichtungen, verfahren und programme zur kodierung und dekodierung
EP1798724A4 (de) Kodierer, dekodierer, kodiermethode und dekodiermethode
WO2007008001A3 (en) Apparatus and method of encoding and decoding audio signal
DE602005014037D1 (de) Vorrichtung und Verfahren zur Codierung und Decodierung von LDPC (low density parity check) Blockcodes mit variabler Coderate
MX2012010439A (es) Decodificador de señales de audio, codificador de señales de audio, metodo para decodificar una señal de audio, metodo para codificar una señal de audio y programa de computacion que utilizan una adaptacion dependiente de la frecuencia de un contexto de codificacion.
DE60308567D1 (de) Dekodierungsgerät, Kodierungsgerät, Dekodierungsverfahren und Kodierungsverfahren
FR2931271B1 (fr) Procede et dispositif de codage d'un document structure et procede et dispositif de decodage d'un document ainsi code
EP1876587A4 (de) Tonhöhenperioden-entzerrungsvorrichtung, tonhöhenperioden-entzerrungsverfahren, toncodierungsvorrichtung, tondecodierungsvorrichtung und toncodierungsverfahren
WO2007090988A3 (fr) Procede et dispositif de codage hierarchique d'un signal audio source, procede et dispositif de decodage, programmes et signal correspondants
TW200715867A (en) Coding device, coding method, decoding device, decoding method, and programs of same
DE60234196D1 (de) Bildcodierungsverfahren, bilddecodierungsverfahren und zugehörige vorrichtung
ATE538369T1 (de) Audiokodierungsverfahren sowie entsprechendes audiokodierungsgerät, kodierten signal und computerprogramme dafür
EP1800487A4 (de) Verfahren und vorrichtung zur kodierung/dekodierung von punktsequenzen auf einer laser-binärdarstellung
EP1585338A4 (de) Codierungsverfahren, decodierungsverfahren, codierungseinrichtung und decodierungseinrichtung
EP1345332A4 (de) Verfahren und vorrichtung zur codierung und verfahren und vorrichtung zur decodierung
EP2112663A3 (de) Informationsverarbeitungsvorrichtung und Informationsverarbeitungsverfahren
FI20021221A7 (fi) Menetelmä ja järjestelmä vaihtuvapituisen koodauksen purkamiseksi, ja koodisanojen paikannuslaite

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties