DE602004001101D1 - Breitbandsprachsignalkompressionsvorrichtung, Breitbandsprachsignaldekompressionsvorrichtung, Breitbandsprachsignalkompressionsverfahren, Breitbandsprachsignaldekompressionsverfahren - Google Patents

Breitbandsprachsignalkompressionsvorrichtung, Breitbandsprachsignaldekompressionsvorrichtung, Breitbandsprachsignalkompressionsverfahren, Breitbandsprachsignaldekompressionsverfahren

Info

Publication number
DE602004001101D1
DE602004001101D1 DE602004001101T DE602004001101T DE602004001101D1 DE 602004001101 D1 DE602004001101 D1 DE 602004001101D1 DE 602004001101 T DE602004001101 T DE 602004001101T DE 602004001101 T DE602004001101 T DE 602004001101T DE 602004001101 D1 DE602004001101 D1 DE 602004001101D1
Authority
DE
Germany
Prior art keywords
speech signal
wideband speech
decompression
signal compression
wideband
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.)
Active
Application number
DE602004001101T
Other languages
English (en)
Other versions
DE602004001101T2 (de
Inventor
Woo-Suk Lee
Chang-Yong Son
Ho-Chong Park
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602004001101D1 publication Critical patent/DE602004001101D1/de
Application granted granted Critical
Publication of DE602004001101T2 publication Critical patent/DE602004001101T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE602004001101T 2003-07-16 2004-07-16 Breitbandsprachsignalkompressionsvorrichtung, Breitbandsprachsignaldekompressionsvorrichtung, Breitbandsprachsignalkompressionsverfahren, Breitbandsprachsignaldekompressionsverfahren Active DE602004001101T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030048665A KR100940531B1 (ko) 2003-07-16 2003-07-16 광대역 음성 신호 압축 및 복원 장치와 그 방법
KR2003048665 2003-07-16

Publications (2)

Publication Number Publication Date
DE602004001101D1 true DE602004001101D1 (de) 2006-07-20
DE602004001101T2 DE602004001101T2 (de) 2007-06-14

Family

ID=36643387

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004001101T Active DE602004001101T2 (de) 2003-07-16 2004-07-16 Breitbandsprachsignalkompressionsvorrichtung, Breitbandsprachsignaldekompressionsvorrichtung, Breitbandsprachsignalkompressionsverfahren, Breitbandsprachsignaldekompressionsverfahren

Country Status (5)

Country Link
US (1) US8433565B2 (de)
EP (1) EP1498874B1 (de)
JP (1) JP4726445B2 (de)
KR (1) KR100940531B1 (de)
DE (1) DE602004001101T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006243041A (ja) * 2005-02-28 2006-09-14 Yutaka Yamamoto 高域補間装置及び再生装置
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR101261524B1 (ko) * 2007-03-14 2013-05-06 삼성전자주식회사 노이즈를 포함하는 오디오 신호를 저비트율로부호화/복호화하는 방법 및 이를 위한 장치
CN101609680B (zh) * 2009-06-01 2012-01-04 华为技术有限公司 压缩编码和解码的方法、编码器和解码器以及编码装置
CN101964189B (zh) * 2010-04-28 2012-08-08 华为技术有限公司 语音频信号切换方法及装置
US8000968B1 (en) 2011-04-26 2011-08-16 Huawei Technologies Co., Ltd. Method and apparatus for switching speech or audio signals
US8560330B2 (en) * 2010-07-19 2013-10-15 Futurewei Technologies, Inc. Energy envelope perceptual correction for high band coding
JP2013528832A (ja) * 2010-11-12 2013-07-11 ポリコム，インク． マルチポイント環境におけるスケーラブルオーディオ処理
US9905236B2 (en) 2012-03-23 2018-02-27 Dolby Laboratories Licensing Corporation Enabling sampling rate diversity in a voice communication system
EP2980794A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor
US10264116B2 (en) * 2016-11-02 2019-04-16 Nokia Technologies Oy Virtual duplex operation
CN112770269B (zh) * 2019-11-05 2022-05-17 海能达通信股份有限公司 宽窄带互通环境下语音通讯方法及系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8421498D0 (en) * 1984-08-24 1984-09-26 British Telecomm Frequency domain speech coding
JPH07334194A (ja) * 1994-06-14 1995-12-22 Matsushita Electric Ind Co Ltd 音声符号化／復号化方法およびそれらの装置
JPH08160996A (ja) * 1994-12-05 1996-06-21 Hitachi Ltd 音声符号化装置
JPH08163056A (ja) * 1994-12-09 1996-06-21 Hitachi Denshi Ltd 音声信号帯域圧縮伝送方式
JP3134817B2 (ja) * 1997-07-11 2001-02-13 日本電気株式会社 音声符号化復号装置
DE19743662A1 (de) 1997-10-02 1999-04-08 Bosch Gmbh Robert Verfahren und Vorrichtung zur Erzeugung eines bitratenskalierbaren Audio-Datenstroms
US6353808B1 (en) * 1998-10-22 2002-03-05 Sony Corporation Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal
JP2001217999A (ja) * 2000-02-03 2001-08-10 Nikon Corp 画像入力装置
US6691085B1 (en) 2000-10-18 2004-02-10 Nokia Mobile Phones Ltd. Method and system for estimating artificial high band signal in speech codec using voice activity information

Also Published As

Publication number Publication date
KR20050009384A (ko) 2005-01-25
JP4726445B2 (ja) 2011-07-20
EP1498874B1 (de) 2006-06-07
EP1498874A1 (de) 2005-01-19
US20050027516A1 (en) 2005-02-03
JP2005037949A (ja) 2005-02-10
DE602004001101T2 (de) 2007-06-14
KR100940531B1 (ko) 2010-02-10
US8433565B2 (en) 2013-04-30

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