KR100758215B1 - 합성 필터 잡음 확산에 대한 보상을 갖는 지각 오디오코더의 양자화 - Google Patents

합성 필터 잡음 확산에 대한 보상을 갖는 지각 오디오코더의 양자화 Download PDF

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KR100758215B1
KR100758215B1 KR1020017013052A KR20017013052A KR100758215B1 KR 100758215 B1 KR100758215 B1 KR 100758215B1 KR 1020017013052 A KR1020017013052 A KR 1020017013052A KR 20017013052 A KR20017013052 A KR 20017013052A KR 100758215 B1 KR100758215 B1 KR 100758215B1
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noise
quantization
synthesis
quantization resolution
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KR20010112423A (ko
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애닐 와맨라오 우발레
그랜트 알렌 데이비드손
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돌비 레버러토리즈 라이쎈싱 코오포레이션
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    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020017013052A 1999-04-12 2000-04-10 합성 필터 잡음 확산에 대한 보상을 갖는 지각 오디오코더의 양자화 Expired - Lifetime KR100758215B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/289,865 US6363338B1 (en) 1999-04-12 1999-04-12 Quantization in perceptual audio coders with compensation for synthesis filter noise spreading
US09/289,865 1999-04-12

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KR20010112423A KR20010112423A (ko) 2001-12-20
KR100758215B1 true KR100758215B1 (ko) 2007-09-12

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Country Link
US (1) US6363338B1 (enExample)
EP (1) EP1177639B1 (enExample)
JP (1) JP4643019B2 (enExample)
KR (1) KR100758215B1 (enExample)
AR (1) AR024858A1 (enExample)
AT (1) ATE248463T1 (enExample)
AU (1) AU771869B2 (enExample)
CA (1) CA2366560C (enExample)
DE (1) DE60004814T2 (enExample)
HK (1) HK1044235B (enExample)
MY (1) MY120387A (enExample)
TW (1) TW531986B (enExample)
WO (1) WO2000062434A1 (enExample)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19947877C2 (de) * 1999-10-05 2001-09-13 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Einbringen von Informationen in einen Datenstrom sowie Verfahren und Vorrichtung zum Codieren eines Audiosignals
US7734448B2 (en) * 2000-01-10 2010-06-08 Canning Francis X Sparse and efficient block factorization for interaction data
US7720651B2 (en) * 2000-09-29 2010-05-18 Canning Francis X Compression of interaction data using directional sources and/or testers
TW499672B (en) * 2000-02-18 2002-08-21 Intervideo Inc Fast convergence method for bit allocation stage of MPEG audio layer 3 encoders
EP1297646B1 (en) * 2000-06-12 2006-04-19 BRITISH TELECOMMUNICATIONS public limited company In-service measurement of perceived speech quality by measuring objective error parameters
US7945430B2 (en) 2000-09-29 2011-05-17 Canning Francis X Compression and compressed inversion of interaction data
US7031955B1 (en) * 2001-04-27 2006-04-18 I2 Technologies Us, Inc. Optimization using a multi-dimensional data model
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US6987889B1 (en) * 2001-08-10 2006-01-17 Polycom, Inc. System and method for dynamic perceptual coding of macroblocks in a video frame
US6732071B2 (en) * 2001-09-27 2004-05-04 Intel Corporation Method, apparatus, and system for efficient rate control in audio encoding
ATE288617T1 (de) 2001-11-29 2005-02-15 Coding Tech Ab Wiederherstellung von hochfrequenzkomponenten
US7447631B2 (en) * 2002-06-17 2008-11-04 Dolby Laboratories Licensing Corporation Audio coding system using spectral hole filling
US20040030555A1 (en) * 2002-08-12 2004-02-12 Oregon Health & Science University System and method for concatenating acoustic contours for speech synthesis
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
US7376553B2 (en) * 2003-07-08 2008-05-20 Robert Patel Quinn Fractal harmonic overtone mapping of speech and musical sounds
US20070067166A1 (en) * 2003-09-17 2007-03-22 Xingde Pan Method and device of multi-resolution vector quantilization for audio encoding and decoding
US7539614B2 (en) * 2003-11-14 2009-05-26 Nxp B.V. System and method for audio signal processing using different gain factors for voiced and unvoiced phonemes
CN1914669A (zh) * 2004-01-28 2007-02-14 皇家飞利浦电子股份有限公司 使用复数值数据的音频信号解码
DE102004009955B3 (de) * 2004-03-01 2005-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ermitteln einer Quantisierer-Schrittweite
US7512536B2 (en) * 2004-05-14 2009-03-31 Texas Instruments Incorporated Efficient filter bank computation for audio coding
US7720236B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Updating modeling information based on offline calibration experiments
US7720232B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Speakerphone
US7826624B2 (en) * 2004-10-15 2010-11-02 Lifesize Communications, Inc. Speakerphone self calibration and beam forming
US20060132595A1 (en) * 2004-10-15 2006-06-22 Kenoyer Michael L Speakerphone supporting video and audio features
US8116500B2 (en) * 2004-10-15 2012-02-14 Lifesize Communications, Inc. Microphone orientation and size in a speakerphone
US7970151B2 (en) * 2004-10-15 2011-06-28 Lifesize Communications, Inc. Hybrid beamforming
US7903137B2 (en) * 2004-10-15 2011-03-08 Lifesize Communications, Inc. Videoconferencing echo cancellers
US7760887B2 (en) * 2004-10-15 2010-07-20 Lifesize Communications, Inc. Updating modeling information based on online data gathering
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
US7991167B2 (en) * 2005-04-29 2011-08-02 Lifesize Communications, Inc. Forming beams with nulls directed at noise sources
US7593539B2 (en) * 2005-04-29 2009-09-22 Lifesize Communications, Inc. Microphone and speaker arrangement in speakerphone
US7970150B2 (en) * 2005-04-29 2011-06-28 Lifesize Communications, Inc. Tracking talkers using virtual broadside scan and directed beams
US7974713B2 (en) * 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
US7835904B2 (en) * 2006-03-03 2010-11-16 Microsoft Corp. Perceptual, scalable audio compression
KR101393298B1 (ko) * 2006-07-08 2014-05-12 삼성전자주식회사 적응적 부호화/복호화 방법 및 장치
US8706507B2 (en) * 2006-08-15 2014-04-22 Dolby Laboratories Licensing Corporation Arbitrary shaping of temporal noise envelope without side-information utilizing unchanged quantization
FR2912249A1 (fr) * 2007-02-02 2008-08-08 France Telecom Codage/decodage perfectionnes de signaux audionumeriques.
CN102132494B (zh) * 2008-04-16 2013-10-02 华为技术有限公司 通信方法和通信装置
US20100106269A1 (en) * 2008-09-26 2010-04-29 Qualcomm Incorporated Method and apparatus for signal processing using transform-domain log-companding
TWI556227B (zh) 2009-05-27 2016-11-01 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
KR101599884B1 (ko) * 2009-08-18 2016-03-04 삼성전자주식회사 멀티 채널 오디오 디코딩 방법 및 장치
PL2489041T3 (pl) * 2009-10-15 2020-11-02 Voiceage Corporation Jednoczesne kształtowanie szumu w dziedzinie czasu i w dziedzinie częstotliwości dla przekształcenia tdac
PL4451267T3 (pl) 2009-10-21 2025-06-23 Dolby International Ab Nadpróbkowanie w banku filtrów połączonym z modułem transpozycji
US8958510B1 (en) * 2010-06-10 2015-02-17 Fredric J. Harris Selectable bandwidth filter
US20120029926A1 (en) * 2010-07-30 2012-02-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for dependent-mode coding of audio signals
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
US9225310B1 (en) * 2012-11-08 2015-12-29 iZotope, Inc. Audio limiter system and method
US10325584B2 (en) 2014-12-10 2019-06-18 Stmicroelectronics S.R.L. Active noise cancelling device and method of actively cancelling acoustic noise
CN110870006B (zh) * 2017-04-28 2023-09-22 Dts公司 对音频信号进行编码的方法以及音频编码器
US10886943B2 (en) * 2019-03-18 2021-01-05 Samsung Electronics Co., Ltd Method and apparatus for variable rate compression with a conditional autoencoder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0722225A2 (de) * 1994-11-17 1996-07-17 Deutsche Thomson-Brandt Gmbh Audiosignalkodierung mittels Kurzzeitspektren und einem psychoakustischen Modell
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956871A (en) * 1988-09-30 1990-09-11 At&T Bell Laboratories Improving sub-band coding of speech at low bit rates by adding residual speech energy signals to sub-bands
US5222189A (en) * 1989-01-27 1993-06-22 Dolby Laboratories Licensing Corporation Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
JP2906646B2 (ja) * 1990-11-09 1999-06-21 松下電器産業株式会社 音声帯域分割符号化装置
EP0559348A3 (en) * 1992-03-02 1993-11-03 AT&T Corp. Rate control loop processor for perceptual encoder/decoder
SG66294A1 (en) * 1993-07-16 1999-07-20 Dolby Lab Licensing Corp Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
JP2820117B2 (ja) * 1996-05-29 1998-11-05 日本電気株式会社 音声符号化装置
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0722225A2 (de) * 1994-11-17 1996-07-17 Deutsche Thomson-Brandt Gmbh Audiosignalkodierung mittels Kurzzeitspektren und einem psychoakustischen Modell

Also Published As

Publication number Publication date
CA2366560C (en) 2008-07-29
AU4338200A (en) 2000-11-14
AU771869B2 (en) 2004-04-01
DE60004814D1 (de) 2003-10-02
US6363338B1 (en) 2002-03-26
CA2366560A1 (en) 2000-10-19
MY120387A (en) 2005-10-31
AR024858A1 (es) 2002-10-30
EP1177639A1 (en) 2002-02-06
DE60004814T2 (de) 2004-07-01
EP1177639B1 (en) 2003-08-27
TW531986B (en) 2003-05-11
JP2002542648A (ja) 2002-12-10
KR20010112423A (ko) 2001-12-20
ATE248463T1 (de) 2003-09-15
JP4643019B2 (ja) 2011-03-02
HK1044235B (en) 2003-12-24
WO2000062434A1 (en) 2000-10-19
HK1044235A1 (en) 2002-10-11

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