JP5150165B2 - 拡張された帯域幅を有する音響信号を提供するための方法およびシステム - Google Patents

拡張された帯域幅を有する音響信号を提供するための方法およびシステム Download PDF

Info

Publication number
JP5150165B2
JP5150165B2 JP2007214930A JP2007214930A JP5150165B2 JP 5150165 B2 JP5150165 B2 JP 5150165B2 JP 2007214930 A JP2007214930 A JP 2007214930A JP 2007214930 A JP2007214930 A JP 2007214930A JP 5150165 B2 JP5150165 B2 JP 5150165B2
Authority
JP
Japan
Prior art keywords
bandwidth
signal
broadband
acoustic signal
upper limit
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 - Fee Related
Application number
JP2007214930A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008052277A (ja
Inventor
ホーリック ティム
イセル ベルント
ウベ シュミット ゲルハルト
Original Assignee
ニュアンス コミュニケーションズ， インコーポレイテッド
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 ニュアンス コミュニケーションズ， インコーポレイテッド filed Critical ニュアンス コミュニケーションズ， インコーポレイテッド
Publication of JP2008052277A publication Critical patent/JP2008052277A/ja
Application granted granted Critical
Publication of JP5150165B2 publication Critical patent/JP5150165B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • G10L2019/0001—Codebooks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
JP2007214930A 2006-08-22 2007-08-21 拡張された帯域幅を有する音響信号を提供するための方法およびシステム Expired - Fee Related JP5150165B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06017456A EP1892703B1 (de) 2006-08-22 2006-08-22 Verfahren und System zur Bereitstellung eines Tonsignals mit erweiterter Bandbreite
EP06017456.2 2006-08-22

Publications (2)

Publication Number Publication Date
JP2008052277A JP2008052277A (ja) 2008-03-06
JP5150165B2 true JP5150165B2 (ja) 2013-02-20

Family

ID=37000103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007214930A Expired - Fee Related JP5150165B2 (ja) 2006-08-22 2007-08-21 拡張された帯域幅を有する音響信号を提供するための方法およびシステム

Country Status (7)

Country Link
EP (1) EP1892703B1 (de)
JP (1) JP5150165B2 (de)
KR (1) KR101433833B1 (de)
CN (1) CN101141533B (de)
AT (1) ATE446572T1 (de)
CA (1) CA2596411A1 (de)
DE (1) DE602006009927D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8688441B2 (en) 2007-11-29 2014-04-01 Motorola Mobility Llc Method and apparatus to facilitate provision and use of an energy value to determine a spectral envelope shape for out-of-signal bandwidth content
US8433582B2 (en) 2008-02-01 2013-04-30 Motorola Mobility Llc Method and apparatus for estimating high-band energy in a bandwidth extension system
US20090201983A1 (en) 2008-02-07 2009-08-13 Motorola, Inc. Method and apparatus for estimating high-band energy in a bandwidth extension system
US8463412B2 (en) * 2008-08-21 2013-06-11 Motorola Mobility Llc Method and apparatus to facilitate determining signal bounding frequencies
JP2010079275A (ja) * 2008-08-29 2010-04-08 Sony Corp 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム
US8463599B2 (en) 2009-02-04 2013-06-11 Motorola Mobility Llc Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder
US8706497B2 (en) 2009-12-28 2014-04-22 Mitsubishi Electric Corporation Speech signal restoration device and speech signal restoration method
CN102870156B (zh) * 2010-04-12 2015-07-22 飞思卡尔半导体公司 音频通信设备、输出音频信号的方法和通信系统
ES2659001T3 (es) * 2013-01-29 2018-03-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. 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
KR102721794B1 (ko) 2016-11-18 2024-10-25 삼성전자주식회사 신호 처리 프로세서 및 신호 처리 프로세서의 제어 방법
CN107404625B (zh) * 2017-07-18 2020-10-16 海信视像科技股份有限公司 终端的音效处理方法及装置
KR102093819B1 (ko) * 2018-09-10 2020-03-26 한국과학기술연구원 음원 분리 장치 및 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3483958B2 (ja) * 1994-10-28 2004-01-06 三菱電機株式会社 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法
EP0944036A4 (de) 1997-04-30 2000-02-23 Japan Broadcasting Corp Verfahren und vorrichtung zur detektion von sprachbereichen, sowie verfahren undvorrichtung zur sprachgeschwindigkeitsumwandlung
US6539355B1 (en) * 1998-10-15 2003-03-25 Sony Corporation Signal band expanding method and apparatus and signal synthesis method and apparatus
DE60110796T2 (de) 2000-06-14 2006-02-23 Kabushiki Kaisha Kenwood Frequenzinterpolationseinrichtung und frequenzinterpolationsverfahren
JP3713200B2 (ja) * 2000-11-30 2005-11-02 株式会社ケンウッド 信号補間装置、信号補間方法及び記録媒体
US6889182B2 (en) 2001-01-12 2005-05-03 Telefonaktiebolaget L M Ericsson (Publ) Speech bandwidth extension
JP4012506B2 (ja) * 2001-08-24 2007-11-21 株式会社ケンウッド 信号の周波数成分を適応的に補間するための装置および方法
CN1550002A (zh) * 2001-08-31 2004-11-24 皇家飞利浦电子股份有限公司 声音信号的带宽扩展
JP4281349B2 (ja) * 2001-12-25 2009-06-17 パナソニック株式会社 電話装置
US20070127731A1 (en) * 2003-12-01 2007-06-07 Koninklijke Philips Electronics N.V. Selective audio signal enhancement
KR20060132697A (ko) * 2004-02-16 2006-12-21 코닌클리케 필립스 일렉트로닉스 엔.브이. 트랜스코더 및 트랜스코딩 방법
ATE429698T1 (de) * 2004-09-17 2009-05-15 Harman Becker Automotive Sys Bandbreitenerweiterung von bandbegrenzten tonsignalen

Also Published As

Publication number Publication date
KR101433833B1 (ko) 2014-08-27
CA2596411A1 (en) 2008-02-22
JP2008052277A (ja) 2008-03-06
ATE446572T1 (de) 2009-11-15
CN101141533B (zh) 2013-09-04
KR20080018132A (ko) 2008-02-27
CN101141533A (zh) 2008-03-12
DE602006009927D1 (de) 2009-12-03
EP1892703B1 (de) 2009-10-21
EP1892703A1 (de) 2008-02-27

Similar Documents

Publication Publication Date Title
JP5150165B2 (ja) 拡張された帯域幅を有する音響信号を提供するための方法およびシステム
EP1772855B1 (de) Verfahren zur Erweiterung der Bandbreite eines Sprachsignals
AU656787B2 (en) Auditory model for parametrization of speech
US8392184B2 (en) Filtering of beamformed speech signals
JP3591068B2 (ja) 音声信号の雑音低減方法
US7734462B2 (en) Method and apparatus for extending the bandwidth of a speech signal
CN102652336B (zh) 声音信号复原装置以及声音信号复原方法
JP4777918B2 (ja) 音声処理装置及び音声を処理する方法
KR101424005B1 (ko) 음향 신호에 확장된 대역폭을 제공하는 방법 및 장치
US5878389A (en) Method and system for generating an estimated clean speech signal from a noisy speech signal
EP1271472A2 (de) Nachfilterung von kodierter Sprache im Frequenzbereich
JP3881946B2 (ja) 音響符号化装置及び音響符号化方法
JPWO2006046293A1 (ja) 雑音抑圧装置
US20110054889A1 (en) Enhancing Receiver Intelligibility in Voice Communication Devices
WO2010066844A1 (en) Regeneration of wideband speech
US5806022A (en) Method and system for performing speech recognition
CN114333892B (zh) 一种语音处理方法、装置、电子设备和可读介质
Kornagel Techniques for artificial bandwidth extension of telephone speech
CN114333893B (zh) 一种语音处理方法、装置、电子设备和可读介质
KR101886775B1 (ko) Ptt 기반 음성 명료성 향상 장치 및 방법
CN115527550B (zh) 一种单麦克风子带域降噪方法及系统
CN118230741A (zh) 一种基于正弦谐波模型的低速率语音编解码方法
JP6333043B2 (ja) 音声信号処理装置
EP1944761A1 (de) Störreduktion in der digitalen Signalverarbeitung
Wang et al. Speech enhancement by bit-rate extension based on Time-frequency simultaneous-constrained Griffin-Lim algorithm

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100810

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110728

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20110819

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120628

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120703

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120928

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20121003

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20121015

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20121105

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20121203

R150 Certificate of patent or registration of utility model

Ref document number: 5150165

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20151207

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees