AR024858A1 - Metodo para establecer resoluciones de cuantificacion para senales de subbandas de cuantificacion - Google Patents

Metodo para establecer resoluciones de cuantificacion para senales de subbandas de cuantificacion

Info

Publication number
AR024858A1
AR024858A1 ARP000101633A ARP000101633A AR024858A1 AR 024858 A1 AR024858 A1 AR 024858A1 AR P000101633 A ARP000101633 A AR P000101633A AR P000101633 A ARP000101633 A AR P000101633A AR 024858 A1 AR024858 A1 AR 024858A1
Authority
AR
Argentina
Prior art keywords
quantification
split
synthesis filters
noise
synthesis
Prior art date
Application number
ARP000101633A
Other languages
English (en)
Spanish (es)
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
Publication of AR024858A1 publication Critical patent/AR024858A1/es

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
    • G10L19/032—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

Landscapes

  • 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)
ARP000101633A 1999-04-12 2000-04-10 Metodo para establecer resoluciones de cuantificacion para senales de subbandas de cuantificacion AR024858A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
AR024858A1 true AR024858A1 (es) 2002-10-30

Family

ID=23113455

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP000101633A AR024858A1 (es) 1999-04-12 2000-04-10 Metodo para establecer resoluciones de cuantificacion para senales de subbandas de cuantificacion

Country Status (13)

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)

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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
AU2003264322A1 (en) * 2003-09-17 2005-04-06 Beijing E-World Technology Co., Ltd. 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
KR20070001115A (ko) * 2004-01-28 2007-01-03 코닌클리케 필립스 일렉트로닉스 엔.브이. 복소수 값 데이터를 이용하는 오디오 신호 디코딩
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
US7903137B2 (en) * 2004-10-15 2011-03-08 Lifesize Communications, Inc. Videoconferencing echo cancellers
US8116500B2 (en) * 2004-10-15 2012-02-14 Lifesize Communications, Inc. Microphone orientation and size in a speakerphone
US7720232B2 (en) * 2004-10-15 2010-05-18 Lifesize Communications, Inc. Speakerphone
US7970151B2 (en) * 2004-10-15 2011-06-28 Lifesize Communications, Inc. Hybrid beamforming
US20060132595A1 (en) * 2004-10-15 2006-06-22 Kenoyer Michael L Speakerphone supporting video and audio features
US7826624B2 (en) * 2004-10-15 2010-11-02 Lifesize Communications, Inc. Speakerphone self calibration and beam forming
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
US7970150B2 (en) * 2005-04-29 2011-06-28 Lifesize Communications, Inc. Tracking talkers using virtual broadside scan and directed beams
US7593539B2 (en) * 2005-04-29 2009-09-22 Lifesize Communications, Inc. Microphone and speaker arrangement in speakerphone
US7991167B2 (en) * 2005-04-29 2011-08-02 Lifesize Communications, Inc. Forming beams with nulls directed at noise sources
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
JP5096468B2 (ja) * 2006-08-15 2012-12-12 ドルビー ラボラトリーズ ライセンシング コーポレイション サイド情報なしの時間的ノイズエンベロープの自由な整形
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US20100106269A1 (en) * 2008-09-26 2010-04-29 Qualcomm Incorporated Method and apparatus for signal processing using transform-domain log-companding
US11657788B2 (en) 2009-05-27 2023-05-23 Dolby International Ab Efficient combined harmonic transposition
TWI591625B (zh) 2009-05-27 2017-07-11 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
KR101599884B1 (ko) * 2009-08-18 2016-03-04 삼성전자주식회사 멀티 채널 오디오 디코딩 방법 및 장치
EP3693963B1 (en) * 2009-10-15 2021-07-21 VoiceAge Corporation Simultaneous time-domain and frequency-domain noise shaping for tdac transforms
PL4542546T3 (pl) 2009-10-21 2025-12-08 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
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US10886943B2 (en) * 2019-03-18 2021-01-05 Samsung Electronics Co., Ltd Method and apparatus for variable rate compression with a conditional autoencoder

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EP0709006B1 (en) * 1993-07-16 1997-03-05 Dolby Laboratories Licensing Corporation Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions
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EP0722225A3 (de) * 1994-11-17 2000-06-07 Deutsche Thomson-Brandt Gmbh Audiosignalkodierung mittels Kurzzeitspektren und einem psychoakustischen Modell
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

Also Published As

Publication number Publication date
AU771869B2 (en) 2004-04-01
EP1177639A1 (en) 2002-02-06
KR20010112423A (ko) 2001-12-20
DE60004814T2 (de) 2004-07-01
EP1177639B1 (en) 2003-08-27
MY120387A (en) 2005-10-31
ATE248463T1 (de) 2003-09-15
JP2002542648A (ja) 2002-12-10
CA2366560C (en) 2008-07-29
TW531986B (en) 2003-05-11
KR100758215B1 (ko) 2007-09-12
HK1044235A1 (en) 2002-10-11
JP4643019B2 (ja) 2011-03-02
DE60004814D1 (de) 2003-10-02
CA2366560A1 (en) 2000-10-19
AU4338200A (en) 2000-11-14
WO2000062434A1 (en) 2000-10-19
HK1044235B (en) 2003-12-24
US6363338B1 (en) 2002-03-26

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