ATE407424T1 - Verfahren und vorrichtung zur künstlichen erweiterung der bandbreite von sprachsignalen - Google Patents

Verfahren und vorrichtung zur künstlichen erweiterung der bandbreite von sprachsignalen

Info

Publication number
ATE407424T1
ATE407424T1 AT06840370T AT06840370T ATE407424T1 AT E407424 T1 ATE407424 T1 AT E407424T1 AT 06840370 T AT06840370 T AT 06840370T AT 06840370 T AT06840370 T AT 06840370T AT E407424 T1 ATE407424 T1 AT E407424T1
Authority
AT
Austria
Prior art keywords
signals
bandwidth
voice signals
coded information
coded
Prior art date
Application number
AT06840370T
Other languages
English (en)
Inventor
Bernd Geiser
Peter Jax
Stefan Schandl
Herve Taddei
Aulis Telle
Peter Vary
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of ATE407424T1 publication Critical patent/ATE407424T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
AT06840370T 2005-07-13 2006-06-30 Verfahren und vorrichtung zur künstlichen erweiterung der bandbreite von sprachsignalen ATE407424T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005032724A DE102005032724B4 (de) 2005-07-13 2005-07-13 Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen

Publications (1)

Publication Number Publication Date
ATE407424T1 true ATE407424T1 (de) 2008-09-15

Family

ID=36994160

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06840370T ATE407424T1 (de) 2005-07-13 2006-06-30 Verfahren und vorrichtung zur künstlichen erweiterung der bandbreite von sprachsignalen

Country Status (12)

Country Link
US (1) US8265940B2 (de)
EP (1) EP1825461B1 (de)
JP (1) JP4740260B2 (de)
KR (1) KR100915733B1 (de)
CN (2) CN100568345C (de)
AT (1) ATE407424T1 (de)
CA (1) CA2580622C (de)
DE (2) DE102005032724B4 (de)
DK (1) DK1825461T3 (de)
ES (1) ES2309969T3 (de)
PL (1) PL1825461T3 (de)
WO (1) WO2007073949A1 (de)

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CN101751926B (zh) 2008-12-10 2012-07-04 华为技术有限公司 信号编码、解码方法及装置、编解码系统
EP2360687A4 (de) * 2008-12-19 2012-07-11 Fujitsu Ltd Sprachbanderweiterungseinrichtung und sprachbanderweiterungsverfahren
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JP4932917B2 (ja) 2009-04-03 2012-05-16 株式会社エヌ・ティ・ティ・ドコモ 音声復号装置、音声復号方法、及び音声復号プログラム
EP2481048B1 (de) * 2009-09-25 2017-10-25 Nokia Technologies Oy Audiokodierung
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JP5652658B2 (ja) * 2010-04-13 2015-01-14 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
WO2011155170A1 (ja) * 2010-06-09 2011-12-15 パナソニック株式会社 帯域拡張方法、帯域拡張装置、プログラム、集積回路およびオーディオ復号装置
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US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
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KR20120046627A (ko) * 2010-11-02 2012-05-10 삼성전자주식회사 화자 적응 방법 및 장치
CN102610231B (zh) * 2011-01-24 2013-10-09 华为技术有限公司 一种带宽扩展方法及装置
WO2013019562A2 (en) * 2011-07-29 2013-02-07 Dts Llc. Adaptive voice intelligibility processor
JP6200034B2 (ja) * 2012-04-27 2017-09-20 株式会社Ｎｔｔドコモ 音声復号装置
JP5997592B2 (ja) 2012-04-27 2016-09-28 株式会社Ｎｔｔドコモ 音声復号装置
US9258428B2 (en) 2012-12-18 2016-02-09 Cisco Technology, Inc. Audio bandwidth extension for conferencing
ES2790733T3 (es) * 2013-01-29 2020-10-29 Fraunhofer Ges Forschung Codificadores de audio, decodificadores de audio, sistemas, métodos y programas informáticos que utilizan una resolución temporal aumentada en la proximidad temporal de inicios o finales de fricativos o africados
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Also Published As

Publication number Publication date
DE502006001491D1 (de) 2008-10-16
CN101676993A (zh) 2010-03-24
US20080126081A1 (en) 2008-05-29
ES2309969T3 (es) 2008-12-16
KR100915733B1 (ko) 2009-09-04
PL1825461T3 (pl) 2009-02-27
CN101061535A (zh) 2007-10-24
JP4740260B2 (ja) 2011-08-03
WO2007073949A1 (de) 2007-07-05
DK1825461T3 (da) 2009-01-26
JP2008513848A (ja) 2008-05-01
KR20070090143A (ko) 2007-09-05
US8265940B2 (en) 2012-09-11
CA2580622A1 (en) 2007-01-13
EP1825461B1 (de) 2008-09-03
EP1825461A1 (de) 2007-08-29
DE102005032724B4 (de) 2009-10-08
CN101676993B (zh) 2012-05-30
DE102005032724A1 (de) 2007-02-01
CA2580622C (en) 2011-05-10
CN100568345C (zh) 2009-12-09

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