ZA200302465B - Method and system for estimating artificial high band signal in speech codec. - Google Patents

Method and system for estimating artificial high band signal in speech codec. Download PDF

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Publication number
ZA200302465B
ZA200302465B ZA200302465A ZA200302465A ZA200302465B ZA 200302465 B ZA200302465 B ZA 200302465B ZA 200302465 A ZA200302465 A ZA 200302465A ZA 200302465 A ZA200302465 A ZA 200302465A ZA 200302465 B ZA200302465 B ZA 200302465B
Authority
ZA
South Africa
Prior art keywords
speech
signal
periods
frequency band
artificial
Prior art date
Application number
ZA200302465A
Other languages
English (en)
Inventor
Jani Rotola-Pukkila
Janne Vainio
Hannu J Mikkola
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Publication of ZA200302465B publication Critical patent/ZA200302465B/en

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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
    • 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
ZA200302465A 2000-10-18 2003-03-28 Method and system for estimating artificial high band signal in speech codec. ZA200302465B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/691,323 US6691085B1 (en) 2000-10-18 2000-10-18 Method and system for estimating artificial high band signal in speech codec using voice activity information

Publications (1)

Publication Number Publication Date
ZA200302465B true ZA200302465B (en) 2004-08-13

Family

ID=24776068

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200302465A ZA200302465B (en) 2000-10-18 2003-03-28 Method and system for estimating artificial high band signal in speech codec.

Country Status (15)

Country Link
US (1) US6691085B1 (ko)
EP (2) EP1328927B1 (ko)
JP (2) JP4302978B2 (ko)
KR (1) KR100544731B1 (ko)
CN (1) CN1295677C (ko)
AT (1) ATE362634T1 (ko)
AU (1) AU2001284327A1 (ko)
BR (1) BRPI0114706B1 (ko)
CA (1) CA2426001C (ko)
DE (1) DE60128479T2 (ko)
DK (1) DK1328927T3 (ko)
ES (1) ES2287150T3 (ko)
PT (1) PT1328927E (ko)
WO (1) WO2002033696A1 (ko)
ZA (1) ZA200302465B (ko)

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KR100940531B1 (ko) * 2003-07-16 2010-02-10 삼성전자주식회사 광대역 음성 신호 압축 및 복원 장치와 그 방법
KR20050027179A (ko) * 2003-09-13 2005-03-18 삼성전자주식회사 오디오 데이터 복원 방법 및 그 장치
JP4832305B2 (ja) * 2004-08-31 2011-12-07 パナソニック株式会社 ステレオ信号生成装置およびステレオ信号生成方法
KR100707174B1 (ko) 2004-12-31 2007-04-13 삼성전자주식회사 광대역 음성 부호화 및 복호화 시스템에서 고대역 음성부호화 및 복호화 장치와 그 방법
WO2006075663A1 (ja) * 2005-01-14 2006-07-20 Matsushita Electric Industrial Co., Ltd. 音声切替装置および音声切替方法
US8086451B2 (en) * 2005-04-20 2011-12-27 Qnx Software Systems Co. System for improving speech intelligibility through high frequency compression
US8249861B2 (en) * 2005-04-20 2012-08-21 Qnx Software Systems Limited High frequency compression integration
US7813931B2 (en) * 2005-04-20 2010-10-12 QNX Software Systems, Co. System for improving speech quality and intelligibility with bandwidth compression/expansion
US7546237B2 (en) 2005-12-23 2009-06-09 Qnx Software Systems (Wavemakers), Inc. Bandwidth extension of narrowband speech
KR100653643B1 (ko) * 2006-01-26 2006-12-05 삼성전자주식회사 하모닉과 비하모닉의 비율을 이용한 피치 검출 방법 및피치 검출 장치
EP2323131A1 (en) * 2006-04-27 2011-05-18 Panasonic Corporation Audio encoding device, audio decoding device, and their method
JP4967618B2 (ja) * 2006-11-24 2012-07-04 富士通株式会社 復号化装置および復号化方法
ES2778076T3 (es) * 2007-03-05 2020-08-07 Ericsson Telefon Ab L M Método y disposición para suavizar ruido estacionario de fondo
CN100524462C (zh) * 2007-09-15 2009-08-05 华为技术有限公司 对高带信号进行帧错误隐藏的方法及装置
CN100555414C (zh) * 2007-11-02 2009-10-28 华为技术有限公司 一种dtx判决方法和装置
KR101444099B1 (ko) * 2007-11-13 2014-09-26 삼성전자주식회사 음성 구간 검출 방법 및 장치
KR101235830B1 (ko) 2007-12-06 2013-02-21 한국전자통신연구원 음성코덱의 품질향상장치 및 그 방법
CN103187065B (zh) 2011-12-30 2015-12-16 华为技术有限公司 音频数据的处理方法、装置和系统
JP5443547B2 (ja) * 2012-06-27 2014-03-19 株式会社東芝 信号処理装置
CN108053830B (zh) 2012-08-29 2021-12-07 日本电信电话株式会社 解码方法、解码装置、和计算机可读取的记录介质
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
KR101794149B1 (ko) * 2013-01-29 2017-11-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Celp 같은 코더들을 위한 부가정보 없는 잡음 충전 장치 및 방법
US10978083B1 (en) * 2019-11-13 2021-04-13 Shure Acquisition Holdings, Inc. Time domain spectral bandwidth replication

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JP2779886B2 (ja) * 1992-10-05 1998-07-23 日本電信電話株式会社 広帯域音声信号復元方法
JPH08102687A (ja) * 1994-09-29 1996-04-16 Yamaha Corp 音声送受信方式
JP2638522B2 (ja) * 1994-11-01 1997-08-06 日本電気株式会社 音声符号化装置
FI980132A (fi) 1998-01-21 1999-07-22 Nokia Mobile Phones Ltd Adaptoituva jälkisuodatin
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CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
JP2000181495A (ja) * 1998-12-11 2000-06-30 Sony Corp 受信装置及び方法、通信装置及び方法
KR20000047944A (ko) 1998-12-11 2000-07-25 이데이 노부유끼 수신장치 및 방법과 통신장치 및 방법
JP4135242B2 (ja) * 1998-12-18 2008-08-20 ソニー株式会社 受信装置及び方法、通信装置及び方法
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JP2000181494A (ja) * 1998-12-11 2000-06-30 Sony Corp 受信装置及び方法、通信装置及び方法

Also Published As

Publication number Publication date
WO2002033696B1 (en) 2002-07-25
DE60128479D1 (de) 2007-06-28
EP1328927B1 (en) 2007-05-16
DK1328927T3 (da) 2007-07-16
JP2004537739A (ja) 2004-12-16
JP4302978B2 (ja) 2009-07-29
ATE362634T1 (de) 2007-06-15
EP1328927A1 (en) 2003-07-23
AU2001284327A1 (en) 2002-04-29
DE60128479T2 (de) 2008-02-14
KR100544731B1 (ko) 2006-01-23
WO2002033696A1 (en) 2002-04-25
JP2009069856A (ja) 2009-04-02
EP1772856A1 (en) 2007-04-11
CN1484824A (zh) 2004-03-24
CA2426001A1 (en) 2002-04-25
PT1328927E (pt) 2007-06-14
KR20040005838A (ko) 2004-01-16
ES2287150T3 (es) 2007-12-16
CA2426001C (en) 2006-04-25
CN1295677C (zh) 2007-01-17
BRPI0114706B1 (pt) 2016-03-01
US6691085B1 (en) 2004-02-10
BR0114706A (pt) 2005-01-11

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