ATE389227T1 - Beitband sprachkodierung mit parametrischer kodierung des hochfrequenzanteils - Google Patents

Beitband sprachkodierung mit parametrischer kodierung des hochfrequenzanteils

Info

Publication number
ATE389227T1
ATE389227T1 AT00204481T AT00204481T ATE389227T1 AT E389227 T1 ATE389227 T1 AT E389227T1 AT 00204481 T AT00204481 T AT 00204481T AT 00204481 T AT00204481 T AT 00204481T AT E389227 T1 ATE389227 T1 AT E389227T1
Authority
AT
Austria
Prior art keywords
coding
subband
high frequency
frequency component
additional band
Prior art date
Application number
AT00204481T
Other languages
English (en)
Inventor
Erdal Parsoy
V Alan Mccree
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of ATE389227T1 publication Critical patent/ATE389227T1/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
    • G10L19/02—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
    • G10L19/0208—Subband vocoders
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Magnetic Treatment Devices (AREA)
AT00204481T 1999-12-21 2000-12-13 Beitband sprachkodierung mit parametrischer kodierung des hochfrequenzanteils ATE389227T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17139399P 1999-12-21 1999-12-21

Publications (1)

Publication Number Publication Date
ATE389227T1 true ATE389227T1 (de) 2008-03-15

Family

ID=22623577

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00204481T ATE389227T1 (de) 1999-12-21 2000-12-13 Beitband sprachkodierung mit parametrischer kodierung des hochfrequenzanteils

Country Status (5)

Country Link
US (1) US7260523B2 (de)
EP (1) EP1111589B1 (de)
JP (1) JP2001215999A (de)
AT (1) ATE389227T1 (de)
DE (1) DE60038279T2 (de)

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US8463334B2 (en) * 2002-03-13 2013-06-11 Qualcomm Incorporated Apparatus and system for providing wideband voice quality in a wireless telephone
US8879432B2 (en) 2002-09-27 2014-11-04 Broadcom Corporation Splitter and combiner for multiple data rate communication system
EP1408615B1 (de) * 2002-09-27 2011-02-09 Broadcom Corporation Splitter und Kombinierer in einem Kommunikationssystem mit mehrfachen Datenraten
US7987095B2 (en) * 2002-09-27 2011-07-26 Broadcom Corporation Method and system for dual mode subband acoustic echo canceller with integrated noise suppression
US7406096B2 (en) * 2002-12-06 2008-07-29 Qualcomm Incorporated Tandem-free intersystem voice communication
WO2004090870A1 (ja) 2003-04-04 2004-10-21 Kabushiki Kaisha Toshiba 広帯域音声を符号化または復号化するための方法及び装置
US7443978B2 (en) * 2003-09-04 2008-10-28 Kabushiki Kaisha Toshiba Method and apparatus for audio coding with noise suppression
CN1303584C (zh) * 2003-09-29 2007-03-07 摩托罗拉公司 联接式语音合成的声音目录编码方法和装置
EP1683133B1 (de) * 2003-10-30 2007-02-14 Koninklijke Philips Electronics N.V. Audiosignalcodierung oder -decodierung
KR20060121121A (ko) * 2003-12-01 2006-11-28 코닌클리케 필립스 일렉트로닉스 엔.브이. 선택적 오디오 신호 강화
US20080243496A1 (en) * 2005-01-21 2008-10-02 Matsushita Electric Industrial Co., Ltd. Band Division Noise Suppressor and Band Division Noise Suppressing Method
JP2006201622A (ja) * 2005-01-21 2006-08-03 Matsushita Electric Ind Co Ltd 帯域分割型雑音抑圧装置及び帯域分割型雑音抑圧方法
RU2386179C2 (ru) 2005-04-01 2010-04-10 Квэлкомм Инкорпорейтед Способ и устройство для кодирования речевых сигналов с расщеплением полосы
TWI324336B (en) 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
RU2591663C2 (ru) 2009-10-20 2016-07-20 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений
WO2011086067A1 (en) 2010-01-12 2011-07-21 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spectral values
EP3567589B1 (de) * 2011-02-18 2022-04-06 Ntt Docomo, Inc. Sprachcodierer und sprachcodierungsverfahren
CN104170008B (zh) * 2012-03-15 2018-02-27 瑞典爱立信有限公司 用减少的带宽传送数据样本的方法
CN103928029B (zh) 2013-01-11 2017-02-08 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
US9396734B2 (en) * 2013-03-08 2016-07-19 Google Technology Holdings LLC Conversion of linear predictive coefficients using auto-regressive extension of correlation coefficients in sub-band audio codecs
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
CN115148217B (zh) * 2022-06-15 2024-07-09 腾讯科技（深圳）有限公司 音频处理方法、装置、电子设备、存储介质及程序产品
CN115171709B (zh) * 2022-09-05 2022-11-18 腾讯科技（深圳）有限公司 语音编码、解码方法、装置、计算机设备和存储介质

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DE3851887T2 (de) * 1988-07-18 1995-04-20 Ibm Verfahren und Einrichtung zur Sprachkodierung mit niedriger Bitrate.
IT1257065B (it) * 1992-07-31 1996-01-05 Sip Codificatore a basso ritardo per segnali audio, utilizzante tecniche di analisi per sintesi.
JPH06180948A (ja) * 1992-12-11 1994-06-28 Sony Corp ディジタル信号処理装置又は方法、及び記録媒体
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US5757931A (en) * 1994-06-15 1998-05-26 Sony Corporation Signal processing apparatus and acoustic reproducing apparatus
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JP3325772B2 (ja) * 1996-05-15 2002-09-17 パイオニア株式会社 帯域分割信号処理システム
US6904404B1 (en) * 1996-07-01 2005-06-07 Matsushita Electric Industrial Co., Ltd. Multistage inverse quantization having the plurality of frequency bands
JP3622365B2 (ja) * 1996-09-26 2005-02-23 ヤマハ株式会社 音声符号化伝送方式
US6167375A (en) * 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
EP0966109B1 (de) * 1998-06-15 2005-04-27 Matsushita Electric Industrial Co., Ltd. Audiokodierungsmethode und Audiokodierungsvorrichtung
US6182031B1 (en) * 1998-09-15 2001-01-30 Intel Corp. Scalable audio coding system
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
US6324505B1 (en) * 1999-07-19 2001-11-27 Qualcomm Incorporated Amplitude quantization scheme for low-bit-rate speech coders

Also Published As

Publication number Publication date
US20020072899A1 (en) 2002-06-13
DE60038279T2 (de) 2009-03-12
US7260523B2 (en) 2007-08-21
EP1111589B1 (de) 2008-03-12
EP1111589A1 (de) 2001-06-27
DE60038279D1 (de) 2008-04-24
JP2001215999A (ja) 2001-08-10

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