ATE211576T1 - Rahmenbasierte audiokodierung mit zusätzlicher filterbank zur unterdrückung von alias-störungen an rahmengrenzen - Google Patents

Rahmenbasierte audiokodierung mit zusätzlicher filterbank zur unterdrückung von alias-störungen an rahmengrenzen

Info

Publication number
ATE211576T1
ATE211576T1 AT98953234T AT98953234T ATE211576T1 AT E211576 T1 ATE211576 T1 AT E211576T1 AT 98953234 T AT98953234 T AT 98953234T AT 98953234 T AT98953234 T AT 98953234T AT E211576 T1 ATE211576 T1 AT E211576T1
Authority
AT
Austria
Prior art keywords
audio
splice
information
frame
technique
Prior art date
Application number
AT98953234T
Other languages
English (en)
Inventor
Louis Dunn Fielder
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 ATE211576T1 publication Critical patent/ATE211576T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • G10L19/0204—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 subband decomposition
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Signal Processing For Recording (AREA)
  • Communication Control (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AT98953234T 1997-10-17 1998-10-01 Rahmenbasierte audiokodierung mit zusätzlicher filterbank zur unterdrückung von alias-störungen an rahmengrenzen ATE211576T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/953,121 US5913191A (en) 1997-10-17 1997-10-17 Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries
PCT/US1998/020751 WO1999021185A1 (en) 1997-10-17 1998-10-01 Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries

Publications (1)

Publication Number Publication Date
ATE211576T1 true ATE211576T1 (de) 2002-01-15

Family

ID=25493597

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98953234T ATE211576T1 (de) 1997-10-17 1998-10-01 Rahmenbasierte audiokodierung mit zusätzlicher filterbank zur unterdrückung von alias-störungen an rahmengrenzen

Country Status (16)

Country Link
US (1) US5913191A (de)
EP (1) EP1023727B1 (de)
JP (1) JP4236813B2 (de)
KR (1) KR100567353B1 (de)
CN (1) CN1267920C (de)
AT (1) ATE211576T1 (de)
AU (1) AU762707B2 (de)
BR (1) BR9813863A (de)
CA (1) CA2306113C (de)
DE (1) DE69803402T2 (de)
DK (1) DK1023727T3 (de)
ES (1) ES2165704T3 (de)
HK (1) HK1033195A1 (de)
MY (1) MY123186A (de)
TW (1) TW434529B (de)
WO (1) WO1999021185A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100304092B1 (ko) * 1998-03-11 2001-09-26 마츠시타 덴끼 산교 가부시키가이샤 오디오 신호 부호화 장치, 오디오 신호 복호화 장치 및 오디오 신호 부호화/복호화 장치
US6363338B1 (en) * 1999-04-12 2002-03-26 Dolby Laboratories Licensing Corporation Quantization in perceptual audio coders with compensation for synthesis filter noise spreading
US6163508A (en) * 1999-05-13 2000-12-19 Ericsson Inc. Recording method having temporary buffering
SE0001926D0 (sv) 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
US6678647B1 (en) * 2000-06-02 2004-01-13 Agere Systems Inc. Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution
JP4867076B2 (ja) * 2001-03-28 2012-02-01 日本電気株式会社 音声合成用圧縮素片作成装置、音声規則合成装置及びそれらに用いる方法
FR2824978B1 (fr) * 2001-05-15 2003-09-19 Wavecom Sa Dispositif et procede de traitement d'un signal audio
US7369709B2 (en) * 2003-09-07 2008-05-06 Microsoft Corporation Conditional lapped transform
US7292902B2 (en) * 2003-11-12 2007-11-06 Dolby Laboratories Licensing Corporation Frame-based audio transmission/storage with overlap to facilitate smooth crossfading
CA2566368A1 (en) * 2004-05-17 2005-11-24 Nokia Corporation Audio encoding with different coding frame lengths
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
TWI396188B (zh) * 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
KR101482199B1 (ko) * 2006-07-24 2015-01-14 마벨 월드 트레이드 리미티드 오디오 모니터링을 구비한 자기 및 광학 회전형 저장 시스템
JP4245030B2 (ja) * 2006-09-27 2009-03-25 ソニー株式会社 出力処理装置及びその制御方法
CN101179735B (zh) * 2006-11-08 2010-07-14 中兴通讯股份有限公司 一种多媒体广播系统媒体数据流的封装方法
US8214200B2 (en) * 2007-03-14 2012-07-03 Xfrm, Inc. Fast MDCT (modified discrete cosine transform) approximation of a windowed sinusoid
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI484481B (zh) 2009-05-27 2015-05-11 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
US9338523B2 (en) * 2009-12-21 2016-05-10 Echostar Technologies L.L.C. Audio splitting with codec-enforced frame sizes
EP2619758B1 (de) * 2010-10-15 2015-08-19 Huawei Technologies Co., Ltd. Vorrichtungen für die Transformation und umgekehrte Transformation von Audiosignalen, Verfahren für die Analyse und die Synthese von Audiosignalen
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
EP2830061A1 (de) 2013-07-22 2015-01-28 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Codierung und Decodierung eines codierten Audiosignals unter Verwendung von zeitlicher Rausch-/Patch-Formung
WO2017034874A1 (en) 2015-08-24 2017-03-02 Dolby Laboratories Licensing Corporation Volume-levelling processing
EP3382701A1 (de) 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur nachbearbeitung eines audiosignals mit prädiktionsbasierter formung
CN115237369B (zh) * 2022-09-23 2022-12-13 成都博宇利华科技有限公司 一种高精度信息戳标记方法

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US577992A (en) * 1897-03-02 Gas-governor
US4551688A (en) * 1984-05-23 1985-11-05 Rockwell International Corporation Delay compensated automatic gain control
US4625240A (en) * 1984-07-25 1986-11-25 Eeco, Inc. Adaptive automatic gain control
FR2613154A1 (fr) * 1987-03-24 1988-09-30 France Etat Systeme de traitement numerique de signal a bancs de filtres
US5297236A (en) * 1989-01-27 1994-03-22 Dolby Laboratories Licensing Corporation Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder
CA2332407C (en) * 1989-01-27 2002-03-05 Dolby Laboratories Licensing Corporation Method for defining coding information
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
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
US5479562A (en) * 1989-01-27 1995-12-26 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding audio information
US5069210A (en) * 1989-04-17 1991-12-03 Jeutter Dean C Cochlear implant employing frequency-division multiplexing and frequency modulation
EP0489223B1 (de) * 1990-12-05 1996-09-18 Deutsche ITT Industries GmbH Verfahren zur Taktratenumsetzung eines digitalisierten Signals
EP0520068B1 (de) * 1991-01-08 1996-05-15 Dolby Laboratories Licensing Corporation Kodierer/dekodierer für mehrdimensionale schallfelder
US5394508A (en) * 1992-01-17 1995-02-28 Massachusetts Institute Of Technology Method and apparatus for encoding decoding and compression of audio-type data
EP0559348A3 (de) * 1992-03-02 1993-11-03 AT&T Corp. Rateurregelschleifenprozessor für einen wahrnehmungsgebundenen Koder/Dekoder
CA2090052C (en) * 1992-03-02 1998-11-24 Anibal Joao De Sousa Ferreira Method and apparatus for the perceptual coding of audio signals
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
US5408580A (en) * 1992-09-21 1995-04-18 Aware, Inc. Audio compression system employing multi-rate signal analysis
US5623577A (en) * 1993-07-16 1997-04-22 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
US5451954A (en) * 1993-08-04 1995-09-19 Dolby Laboratories Licensing Corporation Quantization noise suppression for encoder/decoder system
EP0738441B1 (de) * 1994-11-04 2002-03-13 Koninklijke Philips Electronics N.V. Kodierung und dekodierung eines breitbandigen digitalen informationssignals
CA2206129C (en) * 1994-12-20 2009-11-10 Dolby Laboratories Licensing Corporation Method and apparatus for applying waveform prediction to subbands of a perceptual coding system
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
US5732189A (en) * 1995-12-22 1998-03-24 Lucent Technologies Inc. Audio signal coding with a signal adaptive filterbank
US5781888A (en) * 1996-01-16 1998-07-14 Lucent Technologies Inc. Perceptual noise shaping in the time domain via LPC prediction in the frequency domain
DE69713971T2 (de) * 1996-03-19 2003-03-20 Dolby Lab Licensing Corp Analyse/synthese-filtersystem mit effizienter mit ungerade gestapelter einseitenband-filterbank unter verwendung der tdac-technik
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping

Also Published As

Publication number Publication date
CN1276903A (zh) 2000-12-13
US5913191A (en) 1999-06-15
AU762707B2 (en) 2003-07-03
HK1033195A1 (en) 2001-08-17
EP1023727B1 (de) 2002-01-02
JP2001521259A (ja) 2001-11-06
DE69803402D1 (de) 2002-02-28
ES2165704T3 (es) 2002-03-16
WO1999021185A1 (en) 1999-04-29
BR9813863A (pt) 2000-09-26
MY123186A (en) 2006-05-31
JP4236813B2 (ja) 2009-03-11
AU1065699A (en) 1999-05-10
CA2306113A1 (en) 1999-04-29
CA2306113C (en) 2005-08-02
TW434529B (en) 2001-05-16
DE69803402T2 (de) 2002-08-01
CN1267920C (zh) 2006-08-02
DK1023727T3 (da) 2002-02-11
EP1023727A1 (de) 2000-08-02
KR20010024051A (ko) 2001-03-26
KR100567353B1 (ko) 2006-04-04

Similar Documents

Publication Publication Date Title
ATE211576T1 (de) Rahmenbasierte audiokodierung mit zusätzlicher filterbank zur unterdrückung von alias-störungen an rahmengrenzen
DE69802957D1 (de) Rahmenbasierte audiokodierung mit video/audio-datensynchronisierung durch dynamische audiorahmensynchronisierung
ATE210881T1 (de) Rahmenbasierte audiokodierung mit zusätzlichen filterbänken zur unterdrückung von spektralen verzerrungen an rahmengrenzen
ATE200722T1 (de) Kodierung von tonrastern mit verstärkungregelungswörtern
DE69802958T2 (de) Rahmenbasierte audiokodierung mit video/audio-datensynchronisierung durch abtastratenumsetzung
DE69614782D1 (de) Verfahren und Einrichtung zur Wiedergabe von Sprachsignalen und Verfahren zu seiner Übertragung
JP2001521308A5 (de)
CA2002015A1 (en) Perceptual coding of audio signals
FR2796191B1 (fr) Procedes et dispositifs de codage et de decodage audio
KR950020520A (ko) 음성신호 기록재생장치
KR970012572A (ko) 디브이씨알(dvcr)의 변속재생방법
KR960030176A (ko) 멀티미디어 시스템의 비디오 배속 재생 방법
KR960030557A (ko) 오디오신호 부호화회로

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification