FI980132A0 - Adapterande efterfilter - Google Patents

Adapterande efterfilter

Info

Publication number
FI980132A0
FI980132A0 FI980132A FI980132A FI980132A0 FI 980132 A0 FI980132 A0 FI 980132A0 FI 980132 A FI980132 A FI 980132A FI 980132 A FI980132 A FI 980132A FI 980132 A0 FI980132 A0 FI 980132A0
Authority
FI
Finland
Prior art keywords
adapterand
afterfilter
adapterand afterfilter
Prior art date
Application number
FI980132A
Other languages
English (en)
Other versions
FI980132A (fi
Inventor
Pasi Ojala
Kari Jaervinen
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI980132A priority Critical patent/FI980132A/fi
Publication of FI980132A0 publication Critical patent/FI980132A0/fi
Priority to JP2000528979A priority patent/JP4275855B2/ja
Priority to CNB998022500A priority patent/CN1192356C/zh
Priority to BRPI9907031-6A priority patent/BR9907031B1/pt
Priority to PCT/FI1999/000037 priority patent/WO1999038155A1/en
Priority to DE69932593T priority patent/DE69932593T2/de
Priority to US09/234,099 priority patent/US6584441B1/en
Priority to AU20562/99A priority patent/AU2056299A/en
Priority to EP99900896A priority patent/EP1050040B1/en
Priority to KR1020007007961A priority patent/KR100575193B1/ko
Publication of FI980132A publication Critical patent/FI980132A/fi

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/18Vocoders using multiple modes
    • G10L19/24Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93Discriminating between voiced and unvoiced parts of speech signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/16Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18Negotiating wireless communication parameters
    • H04W28/22Negotiating communication rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Filters That Use Time-Delay Elements (AREA)
FI980132A 1998-01-21 1998-01-21 Adaptoituva jälkisuodatin FI980132A (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI980132A FI980132A (fi) 1998-01-21 1998-01-21 Adaptoituva jälkisuodatin
KR1020007007961A KR100575193B1 (ko) 1998-01-21 1999-01-20 적응 포스트필터를 포함하는 디코딩 방법 및 시스템
PCT/FI1999/000037 WO1999038155A1 (en) 1998-01-21 1999-01-20 A decoding method and system comprising an adaptive postfilter
CNB998022500A CN1192356C (zh) 1998-01-21 1999-01-20 解码方法和包括自适应后置滤波器的系统
BRPI9907031-6A BR9907031B1 (pt) 1998-01-21 1999-01-20 método para filtrar um sinal de fala decodificado, sistema de decodificação para decodificar um sinal de fala, estação móvel e elemento de rede de telecomunicações.
JP2000528979A JP4275855B2 (ja) 1998-01-21 1999-01-20 適応形後置フィルタを備えた復号化方法およびシステム
DE69932593T DE69932593T2 (de) 1998-01-21 1999-01-20 Dekodierungsverfahren und system mit einem adaptiven postfilter
US09/234,099 US6584441B1 (en) 1998-01-21 1999-01-20 Adaptive postfilter
AU20562/99A AU2056299A (en) 1998-01-21 1999-01-20 A decoding method and system comprising an adaptive postfilter
EP99900896A EP1050040B1 (en) 1998-01-21 1999-01-20 A decoding method and system comprising an adaptive postfilter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI980132A FI980132A (fi) 1998-01-21 1998-01-21 Adaptoituva jälkisuodatin

Publications (2)

Publication Number Publication Date
FI980132A0 true FI980132A0 (fi) 1998-01-21
FI980132A FI980132A (fi) 1999-07-22

Family

ID=8550488

Family Applications (1)

Application Number Title Priority Date Filing Date
FI980132A FI980132A (fi) 1998-01-21 1998-01-21 Adaptoituva jälkisuodatin

Country Status (10)

Country Link
US (1) US6584441B1 (fi)
EP (1) EP1050040B1 (fi)
JP (1) JP4275855B2 (fi)
KR (1) KR100575193B1 (fi)
CN (1) CN1192356C (fi)
AU (1) AU2056299A (fi)
BR (1) BR9907031B1 (fi)
DE (1) DE69932593T2 (fi)
FI (1) FI980132A (fi)
WO (1) WO1999038155A1 (fi)

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SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
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
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
US7353168B2 (en) * 2001-10-03 2008-04-01 Broadcom Corporation Method and apparatus to eliminate discontinuities in adaptively filtered signals
JP4108317B2 (ja) * 2001-11-13 2008-06-25 日本電気株式会社 符号変換方法及び装置とプログラム並びに記憶媒体
CN100578616C (zh) * 2003-04-08 2010-01-06 日本电气株式会社 代码转换方法和设备
CN100334874C (zh) * 2003-07-02 2007-08-29 矽统科技股份有限公司 具滤噪声步骤的图框种类侦测方法
KR100554164B1 (ko) * 2003-07-11 2006-02-22 학교법인연세대학교 서로 다른 celp 방식의 음성 코덱 간의 상호부호화장치 및 그 방법
US7478040B2 (en) * 2003-10-24 2009-01-13 Broadcom Corporation Method for adaptive filtering
WO2005041170A1 (en) * 2003-10-24 2005-05-06 Nokia Corpration Noise-dependent postfiltering
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US9413321B2 (en) 2004-08-10 2016-08-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US9281794B1 (en) 2004-08-10 2016-03-08 Bongiovi Acoustics Llc. System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US7386445B2 (en) * 2005-01-18 2008-06-10 Nokia Corporation Compensation of transient effects in transform coding
BRPI0607251A2 (pt) * 2005-01-31 2017-06-13 Sonorit Aps método para concatenar um primeiro quadro de amostras e um segundo quadro subseqüente de amostras, código de programa executável por computador, dispositivo de armazenamento de programa, e, arranjo para receber um sinal de áudio digitalizado
JP5009910B2 (ja) * 2005-07-22 2012-08-29 フランス・テレコム レートスケーラブル及び帯域幅スケーラブルオーディオ復号化のレートの切り替えのための方法
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US9195433B2 (en) 2006-02-07 2015-11-24 Bongiovi Acoustics Llc In-line signal processor
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US9348904B2 (en) 2006-02-07 2016-05-24 Bongiovi Acoustics Llc. System and method for digital signal processing
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
DE602006015328D1 (de) * 2006-11-03 2010-08-19 Psytechnics Ltd Abtastfehlerkompensation
JPWO2008072701A1 (ja) * 2006-12-13 2010-04-02 パナソニック株式会社 ポストフィルタおよびフィルタリング方法
EP2116998B1 (en) * 2007-03-02 2018-08-15 III Holdings 12, LLC Post-filter, decoding device, and post-filter processing method
EP2132733B1 (en) 2007-03-02 2012-03-07 Telefonaktiebolaget LM Ericsson (publ) Non-causal postfilter
JP2009063928A (ja) * 2007-09-07 2009-03-26 Fujitsu Ltd 補間方法、情報処理装置
CN100550133C (zh) * 2008-03-20 2009-10-14 华为技术有限公司 一种语音信号处理方法及装置
JP2010092057A (ja) * 2009-10-29 2010-04-22 Fujitsu Ltd 受話音声処理装置及び受話音声再生装置
CN102893330B (zh) * 2010-05-11 2015-04-15 瑞典爱立信有限公司 用于处理音频信号的方法和装置
EP3422346B1 (en) * 2010-07-02 2020-04-22 Dolby International AB Audio encoding with decision about the application of postfiltering when decoding
AU2015200065B2 (en) * 2010-07-02 2016-10-20 Dolby International Ab Post filter, decoder system and method of decoding
FR2977439A1 (fr) * 2011-06-28 2013-01-04 France Telecom Fenetres de ponderation en codage/decodage par transformee avec recouvrement, optimisees en retard.
US9576590B2 (en) * 2012-02-24 2017-02-21 Nokia Technologies Oy Noise adaptive post filtering
US9344828B2 (en) 2012-12-21 2016-05-17 Bongiovi Acoustics Llc. System and method for digital signal processing
US9728200B2 (en) * 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
MX346012B (es) * 2013-01-29 2017-02-28 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal codificada y codificador y metodo par a generar una señal codificada.
US9398394B2 (en) 2013-06-12 2016-07-19 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
CN104517612B (zh) * 2013-09-30 2018-10-12 上海爱聊信息科技有限公司 基于amr-nb语音信号的可变码率编码器和解码器及其编码和解码方法
US9397629B2 (en) 2013-10-22 2016-07-19 Bongiovi Acoustics Llc System and method for digital signal processing
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
CN105023579A (zh) * 2014-04-30 2015-11-04 中国电信股份有限公司 语音通信中语音编码实现方法、装置和通信终端
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
CN106033672B (zh) 2015-03-09 2021-04-09 华为技术有限公司 确定声道间时间差参数的方法和装置
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
US9906867B2 (en) 2015-11-16 2018-02-27 Bongiovi Acoustics Llc Surface acoustic transducer
CA3096877A1 (en) 2018-04-11 2019-10-17 Bongiovi Acoustics Llc Audio enhanced hearing protection system
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
JP7199396B2 (ja) 2020-03-12 2023-01-05 株式会社日研工作所 工具管理システム、ツールプリセッタ、および端末
JP2024044550A (ja) * 2022-09-21 2024-04-02 株式会社メタキューブ デジタルフィルタ回路、方法、および、プログラム

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Also Published As

Publication number Publication date
WO1999038155A1 (en) 1999-07-29
EP1050040B1 (en) 2006-08-02
US6584441B1 (en) 2003-06-24
AU2056299A (en) 1999-08-09
BR9907031B1 (pt) 2011-05-31
CN1288557A (zh) 2001-03-21
KR100575193B1 (ko) 2006-04-28
FI980132A (fi) 1999-07-22
JP2002501225A (ja) 2002-01-15
KR20010024869A (ko) 2001-03-26
EP1050040A1 (en) 2000-11-08
BR9907031A (pt) 2000-10-17
CN1192356C (zh) 2005-03-09
DE69932593T2 (de) 2006-12-07
DE69932593D1 (de) 2006-09-14
JP4275855B2 (ja) 2009-06-10

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