ATE547787T1 - Verarbeitung von erregungen bei der audiokodierung und -dekodierung - Google Patents

Verarbeitung von erregungen bei der audiokodierung und -dekodierung

Info

Publication number
ATE547787T1
ATE547787T1 AT07760327T AT07760327T ATE547787T1 AT E547787 T1 ATE547787 T1 AT E547787T1 AT 07760327 T AT07760327 T AT 07760327T AT 07760327 T AT07760327 T AT 07760327T AT E547787 T1 ATE547787 T1 AT E547787T1
Authority
AT
Austria
Prior art keywords
signals
time
decoding
encoded
downshifted
Prior art date
Application number
AT07760327T
Other languages
English (en)
Inventor
Harinath Garudadri
Naveen Srinivasamurthy
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE547787T1 publication Critical patent/ATE547787T1/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
    • G10L19/04—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT07760327T 2006-04-10 2007-04-09 Verarbeitung von erregungen bei der audiokodierung und -dekodierung ATE547787T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US79104206P 2006-04-10 2006-04-10
US11/696,974 US8392176B2 (en) 2006-04-10 2007-04-05 Processing of excitation in audio coding and decoding
PCT/US2007/066243 WO2007121140A1 (en) 2006-04-10 2007-04-09 Processing of excitation in audio coding and decoding

Publications (1)

Publication Number Publication Date
ATE547787T1 true ATE547787T1 (de) 2012-03-15

Family

ID=38353590

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07760327T ATE547787T1 (de) 2006-04-10 2007-04-09 Verarbeitung von erregungen bei der audiokodierung und -dekodierung

Country Status (8)

Country Link
US (1) US8392176B2 (de)
EP (1) EP2005423B1 (de)
JP (1) JP2009533716A (de)
KR (1) KR101019398B1 (de)
CN (1) CN101421780B (de)
AT (1) ATE547787T1 (de)
TW (1) TWI332193B (de)
WO (1) WO2007121140A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
US8472912B2 (en) 2009-12-11 2013-06-25 Maxlinear, Inc. Low-complexity diversity using preequalization
EP2659486B1 (de) * 2010-12-30 2016-03-23 Nokia Technologies Oy Verfahren, vorrichtung und computerprogramm zur emotionserkennung
CN102419978B (zh) * 2011-08-23 2013-03-27 展讯通信（上海）有限公司 音频解码器、音频解码的频谱重构方法及装置
MX353042B (es) 2013-06-10 2017-12-18 Fraunhofer Ges Forschung Método y aparato para codificación, procesamiento y decodificación de envolvente de señal de audio mediante modelado de una representación de suma acumulativa que emplea cuantificación de distribución y codificación.
AU2014280256B2 (en) 2013-06-10 2016-10-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for audio signal envelope encoding, processing and decoding by splitting the audio signal envelope employing distribution quantization and coding
EP2830055A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kontextbasierte Entropiecodierung von Probenwerten einer spektralen Hüllkurve
KR101448823B1 (ko) * 2013-09-06 2014-10-13 주식회사 사운들리 시변 주파수 기반의 심볼을 이용한 음파 송수신 방법 및 이를 이용한 장치
WO2015058818A1 (en) * 2013-10-22 2015-04-30 Huawei Technologies Co., Ltd. Apparatus and method for compressing a set of n binaural room impulse responses
US10571390B2 (en) * 2015-12-21 2020-02-25 The Boeing Company Composite inspection
JPWO2018198454A1 (ja) * 2017-04-28 2019-06-27 ソニー株式会社 情報処理装置、および情報処理方法
WO2021262760A1 (en) * 2020-06-22 2021-12-30 Cornell University Adaptive subband compression of streaming data for power system monitoring and control
CN119652328B (zh) * 2024-12-10 2025-09-23 中国人民解放军空军工程大学 一种基于时变多子带导频的短波选频系统

Family Cites Families (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL180062C (nl) * 1977-09-27 Motorola Inc Radio-ontvanger.
US4184049A (en) * 1978-08-25 1980-01-15 Bell Telephone Laboratories, Incorporated Transform speech signal coding with pitch controlled adaptive quantizing
FR2533095A1 (fr) * 1982-09-09 1984-03-16 Europ Agence Spatiale Procede et dispositif de demodulation d'une onde porteuse modulee en phase par une onde sous-porteuse qui est modulee en deplacement de phase par des signaux en bande de base
EP0215915A4 (de) 1985-03-18 1987-11-25 Massachusetts Inst Technology Behandlung akustischer wellenformen.
US4849706A (en) * 1988-07-01 1989-07-18 International Business Machines Corporation Differential phase modulation demodulator
US4902979A (en) * 1989-03-10 1990-02-20 General Electric Company Homodyne down-converter with digital Hilbert transform filtering
JPH03127000A (ja) 1989-10-13 1991-05-30 Fujitsu Ltd 音声のスペクトル予測符号化方式
DE69232202T2 (de) * 1991-06-11 2002-07-25 Qualcomm, Inc. Vocoder mit veraendlicher bitrate
JP2950077B2 (ja) 1993-02-05 1999-09-20 日産自動車株式会社 内燃機関の排気浄化装置
JPH0777979A (ja) 1993-06-30 1995-03-20 Casio Comput Co Ltd 音声制御音響変調装置
US5517595A (en) 1994-02-08 1996-05-14 At&T Corp. Decomposition in noise and periodic signal waveforms in waveform interpolation
US5574825A (en) * 1994-03-14 1996-11-12 Lucent Technologies Inc. Linear prediction coefficient generation during frame erasure or packet loss
CA2144596A1 (en) * 1994-04-05 1995-10-06 Richard Prodan Modulator/demodulator using baseband filtering
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
JPH08102945A (ja) 1994-09-30 1996-04-16 Toshiba Corp 階層符号復号化装置
DE69624020T2 (de) * 1995-02-21 2003-07-17 Tait Electronics Ltd., Christchurch Nullzwischenfrequenz-Empfänger
US5640698A (en) * 1995-06-06 1997-06-17 Stanford University Radio frequency signal reception using frequency shifting by discrete-time sub-sampling down-conversion
CA2185745C (en) * 1995-09-19 2001-02-13 Juin-Hwey Chen Synthesis of speech signals in the absence of coded parameters
FR2742568B1 (fr) 1995-12-15 1998-02-13 Catherine Quinquis Procede d'analyse par prediction lineaire d'un signal audiofrequence, et procedes de codage et de decodage d'un signal audiofrequence en comportant application
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
JP3248668B2 (ja) 1996-03-25 2002-01-21 日本電信電話株式会社 ディジタルフィルタおよび音響符号化／復号化装置
US5764704A (en) * 1996-06-17 1998-06-09 Symmetricom, Inc. DSP implementation of a cellular base station receiver
US5802463A (en) * 1996-08-20 1998-09-01 Advanced Micro Devices, Inc. Apparatus and method for receiving a modulated radio frequency signal by converting the radio frequency signal to a very low intermediate frequency signal
US5872628A (en) * 1996-09-27 1999-02-16 The Regents Of The University Of California Noise pair velocity and range echo location system
US5838268A (en) * 1997-03-14 1998-11-17 Orckit Communications Ltd. Apparatus and methods for modulation and demodulation of data
JP3064947B2 (ja) 1997-03-26 2000-07-12 日本電気株式会社 音声・楽音符号化及び復号化装置
TW405328B (en) 1997-04-11 2000-09-11 Matsushita Electric Industrial Co Ltd Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
US6091773A (en) * 1997-11-12 2000-07-18 Sydorenko; Mark R. Data compression method and apparatus
US7430257B1 (en) * 1998-02-12 2008-09-30 Lot 41 Acquisition Foundation, Llc Multicarrier sub-layer for direct sequence channel and multiple-access coding
US6686879B2 (en) * 1998-02-12 2004-02-03 Genghiscomm, Llc Method and apparatus for transmitting and receiving signals having a carrier interferometry architecture
US6260010B1 (en) 1998-08-24 2001-07-10 Conexant Systems, Inc. Speech encoder using gain normalization that combines open and closed loop gains
US6173257B1 (en) 1998-08-24 2001-01-09 Conexant Systems, Inc Completed fixed codebook for speech encoder
US6243670B1 (en) * 1998-09-02 2001-06-05 Nippon Telegraph And Telephone Corporation Method, apparatus, and computer readable medium for performing semantic analysis and generating a semantic structure having linked frames
SE519563C2 (sv) 1998-09-16 2003-03-11 Ericsson Telefon Ab L M Förfarande och kodare för linjär prediktiv analys-genom- synteskodning
US6418405B1 (en) 1999-09-30 2002-07-09 Motorola, Inc. Method and apparatus for dynamic segmentation of a low bit rate digital voice message
US6704711B2 (en) * 2000-01-28 2004-03-09 Telefonaktiebolaget Lm Ericsson (Publ) System and method for modifying speech signals
EP1158494B1 (de) 2000-05-26 2002-05-29 Lucent Technologies Inc. Verfahren und Vorrichtung zur Audiokodierung und -dekodierung mittels Verschachtelung geglätteter Hüllkurven kritischer Bänder höherer Frequenzen
US7003454B2 (en) * 2001-05-16 2006-02-21 Nokia Corporation Method and system for line spectral frequency vector quantization in speech codec
US6941263B2 (en) 2001-06-29 2005-09-06 Microsoft Corporation Frequency domain postfiltering for quality enhancement of coded speech
US7173966B2 (en) * 2001-08-31 2007-02-06 Broadband Physics, Inc. Compensation for non-linear distortion in a modem receiver
US6934677B2 (en) * 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7206359B2 (en) * 2002-03-29 2007-04-17 Scientific Research Corporation System and method for orthogonally multiplexed signal transmission and reception
US20030194082A1 (en) * 2002-04-15 2003-10-16 Eli Shoval Method and apparatus for transmitting signaling tones over a packet switched network
TWI288915B (en) 2002-06-17 2007-10-21 Dolby Lab Licensing Corp Improved audio coding system using characteristics of a decoded signal to adapt synthesized spectral components
KR100700252B1 (ko) * 2002-11-20 2007-03-26 엘지전자 주식회사 기록된 데이터의 재생을 관리하기 위한 데이터 구조를갖는 기록 매체, 그에 따른 기록 및 재생 방법 및 장치
US7127008B2 (en) * 2003-02-24 2006-10-24 Ibiquity Digital Corporation Coherent AM demodulator using a weighted LSB/USB sum for interference mitigation
CN1458646A (zh) * 2003-04-21 2003-11-26 北京阜国数字技术有限公司 一种滤波参数矢量量化和结合量化模型预测的音频编码方法
US7620545B2 (en) 2003-07-08 2009-11-17 Industrial Technology Research Institute Scale factor based bit shifting in fine granularity scalability audio coding
EP1667109A4 (de) 2003-09-17 2007-10-03 Beijing E World Technology Co Verfahren und einrichtung zur mehrfachauflösungs-vektorquantilisierung für die audiocodierung und -decodierung
EP1668533A4 (de) 2003-09-29 2013-08-21 Agency Science Tech & Res Verfahren zur durchführung einer domänen-transformation eines digitalen signals aus der zeitdomäne in die frequenzdomäne und umgekehrt
EP1852851A1 (de) 2004-04-01 2007-11-07 Beijing Media Works Co., Ltd Verbesserte audio-codierungs-/-decodierungseinrichtung und verfahren
TWI242935B (en) 2004-10-21 2005-11-01 Univ Nat Sun Yat Sen Encode system, decode system and method
US7292985B2 (en) * 2004-12-02 2007-11-06 Janus Development Group Device and method for reducing stuttering
KR100721537B1 (ko) 2004-12-08 2007-05-23 한국전자통신연구원 광대역 음성 부호화기의 고대역 음성 부호화 장치 및 그방법
US20070036228A1 (en) 2005-08-12 2007-02-15 Via Technologies Inc. Method and apparatus for audio encoding and decoding
US7532676B2 (en) * 2005-10-20 2009-05-12 Trellis Phase Communications, Lp Single sideband and quadrature multiplexed continuous phase modulation
US8027242B2 (en) * 2005-10-21 2011-09-27 Qualcomm Incorporated Signal coding and decoding based on spectral dynamics
WO2007080211A1 (en) 2006-01-09 2007-07-19 Nokia Corporation Decoding of binaural audio signals
EP1852849A1 (de) * 2006-05-05 2007-11-07 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellensignals unter Verwendung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms
US20090198500A1 (en) * 2007-08-24 2009-08-06 Qualcomm Incorporated Temporal masking in audio coding based on spectral dynamics in frequency sub-bands
US8428957B2 (en) * 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands

Also Published As

Publication number Publication date
EP2005423A1 (de) 2008-12-24
KR20080110892A (ko) 2008-12-19
EP2005423B1 (de) 2012-02-29
JP2009533716A (ja) 2009-09-17
CN101421780A (zh) 2009-04-29
KR101019398B1 (ko) 2011-03-07
US20070239440A1 (en) 2007-10-11
CN101421780B (zh) 2012-07-18
TW200816168A (en) 2008-04-01
US8392176B2 (en) 2013-03-05
WO2007121140A1 (en) 2007-10-25
TWI332193B (en) 2010-10-21

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