DE60128121D1 - Wahrnehmungsbezogen verbesserte aufbesserung kodierter akustischer signale - Google Patents

Wahrnehmungsbezogen verbesserte aufbesserung kodierter akustischer signale

Info

Publication number
DE60128121D1
DE60128121D1 DE60128121T DE60128121T DE60128121D1 DE 60128121 D1 DE60128121 D1 DE 60128121D1 DE 60128121 T DE60128121 T DE 60128121T DE 60128121 T DE60128121 T DE 60128121T DE 60128121 D1 DE60128121 D1 DE 60128121D1
Authority
DE
Germany
Prior art keywords
acoustic source
signals
enhancement
perceptionally
sound quality
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60128121T
Other languages
English (en)
Other versions
DE60128121T2 (de
Inventor
Stefan Bruhn
Susanne Andersson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE60128121D1 publication Critical patent/DE60128121D1/de
Application granted granted Critical
Publication of DE60128121T2 publication Critical patent/DE60128121T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
DE60128121T 2000-10-20 2001-09-07 Wahrnehmungsbezogen verbesserte aufbesserung kodierter akustischer signale Expired - Lifetime DE60128121T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00850169 2000-10-20
EP00850169A EP1199711A1 (de) 2000-10-20 2000-10-20 Kodierung von Audiosignalen unter Verwendung von Vergrösserung der Bandbreite
PCT/SE2001/001920 WO2002033693A1 (en) 2000-10-20 2001-09-07 Perceptually improved enhancement of encoded acoustic signals

Publications (2)

Publication Number Publication Date
DE60128121D1 true DE60128121D1 (de) 2007-06-06
DE60128121T2 DE60128121T2 (de) 2007-12-27

Family

ID=8175678

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60128121T Expired - Lifetime DE60128121T2 (de) 2000-10-20 2001-09-07 Wahrnehmungsbezogen verbesserte aufbesserung kodierter akustischer signale

Country Status (11)

Country Link
US (1) US6654716B2 (de)
EP (2) EP1199711A1 (de)
JP (1) JP5192630B2 (de)
KR (1) KR100882771B1 (de)
CN (1) CN1271597C (de)
AT (1) ATE360870T1 (de)
AU (2) AU2001284607B2 (de)
CA (1) CA2424375C (de)
DE (1) DE60128121T2 (de)
ES (1) ES2284676T3 (de)
WO (1) WO2002033693A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7308406B2 (en) * 2001-08-17 2007-12-11 Broadcom Corporation Method and system for a waveform attenuation technique for predictive speech coding based on extrapolation of speech waveform
CN1266673C (zh) * 2002-03-12 2006-07-26 诺基亚有限公司 可伸缩音频编码的有效改进
US7110941B2 (en) * 2002-03-28 2006-09-19 Microsoft Corporation System and method for embedded audio coding with implicit auditory masking
JP4296752B2 (ja) * 2002-05-07 2009-07-15 ソニー株式会社 符号化方法及び装置、復号方法及び装置、並びにプログラム
US6965859B2 (en) * 2003-02-28 2005-11-15 Xvd Corporation Method and apparatus for audio compression
KR20050049103A (ko) * 2003-11-21 2005-05-25 삼성전자주식회사 포만트 대역을 이용한 다이얼로그 인핸싱 방법 및 장치
DE102004009949B4 (de) * 2004-03-01 2006-03-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ermitteln eines Schätzwertes
AU2004319556A1 (en) * 2004-05-17 2005-11-24 Nokia Corporation Audio encoding with different coding frame lengths
WO2006062202A1 (ja) * 2004-12-10 2006-06-15 Matsushita Electric Industrial Co., Ltd. 広帯域符号化装置、広帯域lsp予測装置、帯域スケーラブル符号化装置及び広帯域符号化方法
US7930176B2 (en) * 2005-05-20 2011-04-19 Broadcom Corporation Packet loss concealment for block-independent speech codecs
US7987089B2 (en) * 2006-07-31 2011-07-26 Qualcomm Incorporated Systems and methods for modifying a zero pad region of a windowed frame of an audio signal
RU2420815C2 (ru) * 2006-10-25 2011-06-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для генерации значений подполос звукового сигнала и устройство и способ для генерации отсчетов звукового сигнала во временной области
US7885810B1 (en) * 2007-05-10 2011-02-08 Mediatek Inc. Acoustic signal enhancement method and apparatus
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
CA2697604A1 (en) * 2007-09-28 2009-04-02 Voiceage Corporation Method and device for efficient quantization of transform information in an embedded speech and audio codec
CN101771417B (zh) * 2008-12-30 2012-04-18 华为技术有限公司 信号编码、解码方法及装置、系统
CA3231911A1 (en) 2009-01-16 2010-07-22 Dolby International Ab Cross product enhanced harmonic transposition
TWI453694B (zh) * 2010-12-02 2014-09-21 Univ Nat Taiwan Science Tech 一種避免像素擴張之影像加密方法
JP5799707B2 (ja) * 2011-09-26 2015-10-28 ソニー株式会社 オーディオ符号化装置およびオーディオ符号化方法、オーディオ復号装置およびオーディオ復号方法、並びにプログラム
CN104025191A (zh) * 2011-10-18 2014-09-03 爱立信(中国)通信有限公司 用于自适应多速率编解码器的改进方法和设备
CN104021796B (zh) * 2013-02-28 2017-06-20 华为技术有限公司 语音增强处理方法和装置
CN105336336B (zh) * 2014-06-12 2016-12-28 华为技术有限公司 一种音频信号的时域包络处理方法及装置、编码器
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
PT3405951T (pt) * 2016-01-22 2020-02-05 Fraunhofer Ges Forschung Aparelhos e métodos para codificar ou descodificar um sinal de áudio multicanal utilizando sincronização de controlo de quadro
WO2018084305A1 (ja) * 2016-11-07 2018-05-11 ヤマハ株式会社 音声合成方法
CN108269579B (zh) * 2018-01-18 2020-11-10 厦门美图之家科技有限公司 语音数据处理方法、装置、电子设备及可读存储介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1184023B (it) * 1985-12-17 1987-10-22 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante analisi a sottobande e quantizzazione vettorariale con allocazione dinamica dei bit di codifica
US5040217A (en) * 1989-10-18 1991-08-13 At&T Bell Laboratories Perceptual coding of audio signals
JP3475446B2 (ja) 1993-07-27 2003-12-08 ソニー株式会社 符号化方法
JP2776300B2 (ja) 1995-05-31 1998-07-16 日本電気株式会社 音声信号処理回路
DE19549621B4 (de) * 1995-10-06 2004-07-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zum Codieren von Audiosignalen
US5754534A (en) 1996-05-06 1998-05-19 Nahumi; Dror Delay synchronization in compressed audio systems
US5848391A (en) * 1996-07-11 1998-12-08 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Method subband of coding and decoding audio signals using variable length windows
US6092041A (en) * 1996-08-22 2000-07-18 Motorola, Inc. System and method of encoding and decoding a layered bitstream by re-applying psychoacoustic analysis in the decoder
KR100261254B1 (ko) * 1997-04-02 2000-07-01 윤종용 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치
KR100335609B1 (ko) * 1997-11-20 2002-10-04 삼성전자 주식회사 비트율조절이가능한오디오부호화/복호화방법및장치
JPH11219199A (ja) * 1998-01-30 1999-08-10 Sony Corp 位相検出装置及び方法、並びに音声符号化装置及び方法
US6810377B1 (en) * 1998-06-19 2004-10-26 Comsat Corporation Lost frame recovery techniques for parametric, LPC-based speech coding systems
US6182030B1 (en) * 1998-12-18 2001-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Enhanced coding to improve coded communication signals
US6496795B1 (en) * 1999-05-05 2002-12-17 Microsoft Corporation Modulated complex lapped transform for integrated signal enhancement and coding
US6370502B1 (en) * 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec

Also Published As

Publication number Publication date
CN1470050A (zh) 2004-01-21
KR20030046468A (ko) 2003-06-12
US6654716B2 (en) 2003-11-25
KR100882771B1 (ko) 2009-02-09
JP2004512560A (ja) 2004-04-22
AU8460701A (en) 2002-04-29
EP1199711A1 (de) 2002-04-24
EP1327241B1 (de) 2007-04-25
CN1271597C (zh) 2006-08-23
CA2424375C (en) 2010-08-24
CA2424375A1 (en) 2002-04-25
ATE360870T1 (de) 2007-05-15
WO2002033693A1 (en) 2002-04-25
ES2284676T3 (es) 2007-11-16
JP5192630B2 (ja) 2013-05-08
US20020049583A1 (en) 2002-04-25
EP1327241A1 (de) 2003-07-16
AU2001284607B2 (en) 2007-03-01
DE60128121T2 (de) 2007-12-27

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