DE69628103D1 - Verfahren und Filter zur Hervorbebung von Formanten - Google Patents

Verfahren und Filter zur Hervorbebung von Formanten

Info

Publication number
DE69628103D1
DE69628103D1 DE69628103T DE69628103T DE69628103D1 DE 69628103 D1 DE69628103 D1 DE 69628103D1 DE 69628103 T DE69628103 T DE 69628103T DE 69628103 T DE69628103 T DE 69628103T DE 69628103 D1 DE69628103 D1 DE 69628103D1
Authority
DE
Germany
Prior art keywords
formants
highlighting
filter
highlighting formants
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 - Lifetime
Application number
DE69628103T
Other languages
English (en)
Other versions
DE69628103T2 (de
Inventor
Masahiro Oshikiri
Masami Akamine
Kimio Miseki
Akinobu Yamashita
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP23662895A external-priority patent/JP3483998B2/ja
Priority claimed from JP30879795A external-priority patent/JP3319556B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE69628103D1 publication Critical patent/DE69628103D1/de
Application granted granted Critical
Publication of DE69628103T2 publication Critical patent/DE69628103T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10L19/04—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
    • G10L19/26—Pre-filtering or post-filtering
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/15—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being formant information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Electrophonic Musical Instruments (AREA)
DE69628103T 1995-09-14 1996-09-13 Verfahren und Filter zur Hervorbebung von Formanten Expired - Lifetime DE69628103T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP23746595 1995-09-14
JP23746595 1995-09-14
JP23662895A JP3483998B2 (ja) 1995-09-14 1995-09-14 ピッチ強調方法および装置
JP23662895 1995-09-14
JP30879795 1995-11-28
JP30879795A JP3319556B2 (ja) 1995-09-14 1995-11-28 ホルマント強調方法

Publications (2)

Publication Number Publication Date
DE69628103D1 true DE69628103D1 (de) 2003-06-18
DE69628103T2 DE69628103T2 (de) 2004-04-01

Family

ID=27332387

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69628103T Expired - Lifetime DE69628103T2 (de) 1995-09-14 1996-09-13 Verfahren und Filter zur Hervorbebung von Formanten

Country Status (3)

Country Link
US (1) US6064962A (de)
EP (1) EP0763818B1 (de)
DE (1) DE69628103T2 (de)

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FI980132A (fi) * 1998-01-21 1999-07-22 Nokia Mobile Phones Ltd Adaptoituva jälkisuodatin
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
FR2783651A1 (fr) * 1998-09-22 2000-03-24 Koninkl Philips Electronics Nv Dispositif et procede de filtrage d'un signal de parole, recepteur et systeme de communications telephonique
US6400310B1 (en) * 1998-10-22 2002-06-04 Washington University Method and apparatus for a tunable high-resolution spectral estimator
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US6959274B1 (en) * 1999-09-22 2005-10-25 Mindspeed Technologies, Inc. Fixed rate speech compression system and method
US6782360B1 (en) * 1999-09-22 2004-08-24 Mindspeed Technologies, Inc. Gain quantization for a CELP speech coder
US7249059B2 (en) * 2000-01-10 2007-07-24 Dean Michael A Internet advertising system and method
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
DE10129331B4 (de) * 2001-06-19 2016-03-10 Lantiq Deutschland Gmbh Verfahren und Schaltungsanordnung für Datenstromsender bei diskreten Mehrfachtonsystemen
EP1543498B1 (de) * 2002-09-17 2006-05-31 Koninklijke Philips Electronics N.V. Verfahren zum synthetisieren eines nicht stimmhaften sprachsignals
WO2004097798A1 (ja) 2003-05-01 2004-11-11 Fujitsu Limited 音声復号化装置、音声復号化方法、プログラム、記録媒体
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
US8462030B2 (en) * 2004-04-27 2013-06-11 Texas Instruments Incorporated Programmable loop filter for use with a sigma delta analog-to-digital converter and method of programming the same
DE602005023503D1 (de) * 2004-10-28 2010-10-21 Panasonic Corp Skalierbare codierungsvorrichtung, skalierbare decodierungsvorrichtung und verfahren dafür
US7707034B2 (en) 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
JP5061111B2 (ja) * 2006-09-15 2012-10-31 パナソニック株式会社 音声符号化装置および音声符号化方法
BRPI0720266A2 (pt) * 2006-12-13 2014-01-28 Panasonic Corp Dispositivo de decodificação de aúdio e método de ajuste de potência
ES2548010T3 (es) * 2007-03-05 2015-10-13 Telefonaktiebolaget Lm Ericsson (Publ) Procedimiento y dispositivo para suavizar ruido de fondo estacionario
JP5618826B2 (ja) * 2007-06-14 2014-11-05 ヴォイスエイジ・コーポレーション Ｉｔｕ．ｔ勧告ｇ．７１１と相互運用可能なｐｃｍコーデックにおいてフレーム消失を補償する装置および方法
WO2009086174A1 (en) 2007-12-21 2009-07-09 Srs Labs, Inc. System for adjusting perceived loudness of audio signals
US20090222268A1 (en) * 2008-03-03 2009-09-03 Qnx Software Systems (Wavemakers), Inc. Speech synthesis system having artificial excitation signal
US8831936B2 (en) 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
US8538749B2 (en) * 2008-07-18 2013-09-17 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced intelligibility
CN101599272B (zh) * 2008-12-30 2011-06-08 华为技术有限公司 基音搜索方法及装置
US9202456B2 (en) * 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
US8538042B2 (en) * 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
US8204742B2 (en) 2009-09-14 2012-06-19 Srs Labs, Inc. System for processing an audio signal to enhance speech intelligibility
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
PL2737479T3 (pl) * 2011-07-29 2017-07-31 Dts Llc Adaptacyjna poprawa zrozumiałości głosu
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time
CN103928031B (zh) 2013-01-15 2016-03-30 华为技术有限公司 编码方法、解码方法、编码装置和解码装置
WO2014118152A1 (en) * 2013-01-29 2014-08-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low-frequency emphasis for lpc-based coding in frequency domain
EP2980798A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Harmonizitätsabhängige Steuerung eines harmonischen Filterwerkzeugs
WO2019216037A1 (ja) * 2018-05-10 2019-11-14 日本電信電話株式会社 ピッチ強調装置、その方法、プログラム、および記録媒体

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
JP2588004B2 (ja) * 1988-09-19 1997-03-05 日本電信電話株式会社 後処理フィルタ
EP0360265B1 (de) * 1988-09-21 1994-01-26 Nec Corporation Zur Sprachqualitätsmodifizierung geeignetes Übertragungssystem durch Klassifizierung der Sprachsignale
JP2903533B2 (ja) * 1989-03-22 1999-06-07 日本電気株式会社 音声符号化方式
US5241650A (en) * 1989-10-17 1993-08-31 Motorola, Inc. Digital speech decoder having a postfilter with reduced spectral distortion
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
CA2032765C (en) * 1989-12-21 1995-12-12 Hidetaka Yoshikawa Variable rate encoding and communicating apparatus
US5235669A (en) * 1990-06-29 1993-08-10 At&T Laboratories Low-delay code-excited linear-predictive coding of wideband speech at 32 kbits/sec
US5434947A (en) * 1993-02-23 1995-07-18 Motorola Method for generating a spectral noise weighting filter for use in a speech coder
JP3024468B2 (ja) * 1993-12-10 2000-03-21 日本電気株式会社 音声復号装置

Also Published As

Publication number Publication date
EP0763818A2 (de) 1997-03-19
US6064962A (en) 2000-05-16
EP0763818A3 (de) 1998-09-23
EP0763818B1 (de) 2003-05-14
DE69628103T2 (de) 2004-04-01

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