CA2596411A1 - Method and system for providing an acoustic signal with extended bandwidth - Google Patents

Method and system for providing an acoustic signal with extended bandwidth Download PDF

Info

Publication number
CA2596411A1
CA2596411A1 CA002596411A CA2596411A CA2596411A1 CA 2596411 A1 CA2596411 A1 CA 2596411A1 CA 002596411 A CA002596411 A CA 002596411A CA 2596411 A CA2596411 A CA 2596411A CA 2596411 A1 CA2596411 A1 CA 2596411A1
Authority
CA
Canada
Prior art keywords
signal
broadband
bandwidth
bandwidth limit
acoustic signal
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.)
Abandoned
Application number
CA002596411A
Other languages
English (en)
French (fr)
Inventor
Tim Haulick
Bernd Iser
Gerhard Uwe Schmidt
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Becker Automotive Systems GmbH
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 Harman Becker Automotive Systems GmbH filed Critical Harman Becker Automotive Systems GmbH
Publication of CA2596411A1 publication Critical patent/CA2596411A1/en
Abandoned legal-status Critical Current

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
    • G10L19/06—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)
CA002596411A 2006-08-22 2007-08-08 Method and system for providing an acoustic signal with extended bandwidth Abandoned CA2596411A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06017456A EP1892703B1 (en) 2006-08-22 2006-08-22 Method and system for providing an acoustic signal with extended bandwidth
EP06017456.2 2006-08-22

Publications (1)

Publication Number Publication Date
CA2596411A1 true CA2596411A1 (en) 2008-02-22

Family

ID=37000103

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002596411A Abandoned CA2596411A1 (en) 2006-08-22 2007-08-08 Method and system for providing an acoustic signal with extended bandwidth

Country Status (7)

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

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
JP5535241B2 (ja) * 2009-12-28 2014-07-02 三菱電機株式会社 音声信号復元装置および音声信号復元方法
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
JP6218855B2 (ja) * 2013-01-29 2017-10-25 フラウンホーファーゲゼルシャフト ツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． 摩擦音または破擦音のオンセットまたはオフセットの時間的近接性における増大した時間分解能を使用するオーディオエンコーダ、オーディオデコーダ、システム、方法およびコンピュータプログラム
KR20180056032A (ko) 2016-11-18 2018-05-28 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
KR100302370B1 (ko) 1997-04-30 2001-09-29 닛폰 호소 교카이 음성구간검출방법과시스템및그음성구간검출방법과시스템을이용한음성속도변환방법과시스템
US6539355B1 (en) * 1998-10-15 2003-03-25 Sony Corporation Signal band expanding method and apparatus and signal synthesis method and apparatus
WO2001097212A1 (fr) 2000-06-14 2001-12-20 Kabushiki Kaisha Kenwood Dispositif et procédé d'interpolation de fréquence
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
JP2005501278A (ja) * 2001-08-31 2005-01-13 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 音声信号の帯域幅拡張
JP4281349B2 (ja) * 2001-12-25 2009-06-17 パナソニック株式会社 電話装置
JP2007514968A (ja) * 2003-12-01 2007-06-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 音声信号強化方法及び装置、目的信号検出器、音響システム
US20080260048A1 (en) * 2004-02-16 2008-10-23 Koninklijke Philips Electronics, N.V. Transcoder and Method of Transcoding Therefore
ATE429698T1 (de) * 2004-09-17 2009-05-15 Harman Becker Automotive Sys Bandbreitenerweiterung von bandbegrenzten tonsignalen

Also Published As

Publication number Publication date
EP1892703A1 (en) 2008-02-27
JP5150165B2 (ja) 2013-02-20
ATE446572T1 (de) 2009-11-15
DE602006009927D1 (de) 2009-12-03
JP2008052277A (ja) 2008-03-06
KR101433833B1 (ko) 2014-08-27
CN101141533B (zh) 2013-09-04
CN101141533A (zh) 2008-03-12
KR20080018132A (ko) 2008-02-27
EP1892703B1 (en) 2009-10-21

Similar Documents

Publication Publication Date Title
CA2596411A1 (en) Method and system for providing an acoustic signal with extended bandwidth
CN1750124B (zh) 带限音频信号的带宽扩展
US7035797B2 (en) Data-driven filtering of cepstral time trajectories for robust speech recognition
KR101461774B1 (ko) 대역폭 확장기
CN104520925B (zh) 噪声降低增益的百分位滤波
Chen et al. Speech enhancement using perceptual wavelet packet decomposition and teager energy operator
US8392184B2 (en) Filtering of beamformed speech signals
EP1970900A1 (en) Method and apparatus for providing a codebook for bandwidth extension of an acoustic signal
EP0929891B1 (en) Methods and devices for noise conditioning signals representative of audio information in compressed and digitized form
Ren et al. A Causal U-Net Based Neural Beamforming Network for Real-Time Multi-Channel Speech Enhancement.
JPWO2011080855A1 (ja) 音声信号復元装置および音声信号復元方法
US5806022A (en) Method and system for performing speech recognition
CN108198571A (zh) 一种基于自适应带宽判断的带宽扩展方法及系统
Qian et al. Combining equalization and estimation for bandwidth extension of narrowband speech
Barros et al. Estimation of speech embedded in a reverberant and noisy environment by independent component analysis and wavelets
You et al. An invertible frequency eigendomain transformation for masking-based subspace speech enhancement
Rao et al. Speech enhancement using sub-band cross-correlation compensated Wiener filter combined with harmonic regeneration
Nossier et al. Two-stage deep learning approach for speech enhancement and reconstruction in the frequency and time domains
WO2018177613A1 (en) Apparatus and method for post-processing an audio signal using prediction based shaping
CN113066483B (zh) 一种基于稀疏连续约束的生成对抗网络语音增强方法
CN114822569A (zh) 音频信号处理方法、装置、设备及计算机可读存储介质
Heitkaemper et al. Neural network based carrier frequency offset estimation from speech transmitted over high frequency channels
Lee et al. Speech Enhancement for Virtual Meetings on Cellular Networks
Rao et al. Speech enhancement using cross-correlation compensated multi-band wiener filter combined with harmonic regeneration
Wu et al. Exploiting Discrete Wavelet Transform Features in Speech Enhancement Technique Adaptive FullSubNet+

Legal Events

Date Code Title Description
FZDE Discontinued