CO4480730A1 - Filtro para mejoramiento o modificacion de voz, y varios aparatos, sistemas y metodos que lo usan - Google Patents

Filtro para mejoramiento o modificacion de voz, y varios aparatos, sistemas y metodos que lo usan

Info

Publication number
CO4480730A1
CO4480730A1 CO96023682A CO96023682A CO4480730A1 CO 4480730 A1 CO4480730 A1 CO 4480730A1 CO 96023682 A CO96023682 A CO 96023682A CO 96023682 A CO96023682 A CO 96023682A CO 4480730 A1 CO4480730 A1 CO 4480730A1
Authority
CO
Colombia
Prior art keywords
voice signals
information
generate
spectral information
synthesized
Prior art date
Application number
CO96023682A
Other languages
English (en)
Inventor
Tasaki Hirohisa
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CO4480730A1 publication Critical patent/CO4480730A1/es

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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Television Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

1. UN FILTRO COMPRENDE: MEDIOS DE FILTRADO PARA FILTRAR SENALES DE VOZ SINTETIZADAS A PARTIR DE UNA FUNCION DE TRANSFE- RENCIA DEFINIDA POR COEFICIENTES DE FILTRO PARA GENERAR SENALES DE VOZ SINTETIZADAS MODIFICADAS; Y MEDIOS DE GENERACION DE COEFICIENTE DE FILTRO PARA GENERAR DICHOS COEFICIENTES DE FILTRO SOBRE LA BA- SE DE INFORMACION ESPECTRAL REPRESENTADA EN LA FORMA DE UN VECTOR MULTIDIMENSIONAL Y QUE PERTENE- CE A UN DOMINIO PRE-DETERMINADO Y PERTENECIENTES A SENALES DE VOZ DE ENTRADA, EN TAL FORMA QUE LAS CARACTERISTICAS FORMANTES DE DICHAS SENALES DE VOZ SINTETIZADAS MODIFICADAS SON MEJORADAS DE ACUERDO CON DICHA INFORMACION ESPECTRAL Y EN COMPARACION CON AQUELLAS DE DICHAS SENALES DE VOZ SINTETIZA- DAS. DICHA INFORMACION ESPECTRAL ES UNA CUALQUIERA IN- FORMACION LSP, INFORMACION PACOR E INFORMACION LAR. 23. UN APARATO SINTETIZADOR DE VOZ QUE COMPRENDE: MEDIOS PARA GENERAR SENALES DE VOZ SINTETIZADAS SOBRE LA BASE DE INFORMACION ESPECTRAL REPRESENTA- DAS EN LA FORMA DE UN VECTOR MULTI-DIMENSIONAL Y QUE PERTENECEN A UN DOMINIO PREDETERMINADO Y QUE CONTIENEN LAS SENALES DE VOZ DE ENTRADA; MEDIOS PARA FILTRAR SENALES DE VOZ SINTETIZADAS A TRAVES DE UNA FUNCION DE TRANSFERENCIA DEFINIDA POR COEFICIENTES DE FILTRO PARA GENERAR SENALES DE VOZ SINTETIZADAS MODIFICADAS; Y MEDIOS PARA GENERAR DICHOS COEFICIENTES DE FILTRO SOBRE LA BASE DE DICHA INFORMACION ESPECTRAL EN TAL MANERA QUE LAS CARACTERISTICAS FORMANTES DE DICHAS SENALES DE VOZ SINTETIZADAS Y MODIFICADAS SON MEJORADAS DE ACUERDO CON DICHA INFORMACION ES- PECTRAL Y EN COMPARACION CON AQUELLAS DE DICHAS SENALES DE VOZ SINTETIZADAS; DICHA INFORMACION ESPECTRAL ES UNA CUALQUIERA DE INFORMACION LSP, INFORMACION PARCOR E INFORMACION LAR. 26. UN SISTEMA DE ALMACENAMIENTO/TRANSMISION DE VOZ QUE COMPRENDE: MEDIOS PARA ANALIZAR SENALES DE VOZ DE ENTRADA PA- RA GENERAR INFORMACION ESPECTRAL REPRESENTADA EN LA FORMA DE UN VECTOR MULTI-DIMENSIONAL Y QUE PER- TENECE A UN DOMINIO PRE-DETERMINADO Y QUE CONTIENE A DICHAS SENALES DE VOZ DE ENTRADA; MEDIOS PARA ALMACENAR O TRANSMITIR DICHA INFORMA- CION ESPECTRAL; MEDIOS PARA GENERAR SENALES DE VOZ SINTETIZADA SO- BRE LA BASE DE DICHA INFORMACION ESPECTRAL QUE HAN SIDO ALMACENADAS O TRANSMITIDAS; MEDIOS PARA FILTRAR DICHAS SENALES DE VOZ SINTETI- ZADAS A TRAVES DE UNA FUNCION DE TRANSFERENCIA DE- FINIDA POR COEFICIENTES DE FILTRO PARA GENERAR DI- CHAS SENALES DE VOZ SINTETIZADAS MODIVICADAS; Y MEDIOS PARA GENERAR DICHOS COEFICIENTES DE FILTRO SOBRE LA BASE DE DICHA INFORMACION ESPECTRAL COMO PARA ASEGURAR QUE LAS CARACTERISTICAS FORMANTES DE DICHAS SENALES DE VOZ SINTETIZADAS MODIFICADAS SE- AN MEJORADAS DE ACUERDO CON DICHA INFORMACION ES- ECTRAL Y EN COMPARACION CON AQUELLAS DE DICHAS SE- NALES DE VOZ SINTETIZADAS; DICHA INFORMACION ESPECTRAL ES UNA CUALQUIERA IN- FORMACION LSP, FORMACION PARCOR E INFORMACION LAR. FIGURA 1
CO96023682A 1995-05-12 1996-05-10 Filtro para mejoramiento o modificacion de voz, y varios aparatos, sistemas y metodos que lo usan CO4480730A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7114752A JP2993396B2 (ja) 1995-05-12 1995-05-12 音声加工フィルタ及び音声合成装置

Publications (1)

Publication Number Publication Date
CO4480730A1 true CO4480730A1 (es) 1997-07-09

Family

ID=14645799

Family Applications (1)

Application Number Title Priority Date Filing Date
CO96023682A CO4480730A1 (es) 1995-05-12 1996-05-10 Filtro para mejoramiento o modificacion de voz, y varios aparatos, sistemas y metodos que lo usan

Country Status (11)

Country Link
US (1) US5822732A (es)
EP (1) EP0742548B1 (es)
JP (1) JP2993396B2 (es)
KR (1) KR100197203B1 (es)
CN (1) CN1132153C (es)
AR (1) AR001928A1 (es)
CA (1) CA2175617C (es)
CO (1) CO4480730A1 (es)
DE (1) DE69614752T2 (es)
NO (1) NO311471B1 (es)
TW (1) TW303451B (es)

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JPH09230896A (ja) * 1996-02-28 1997-09-05 Sony Corp 音声合成装置
US7787647B2 (en) 1997-01-13 2010-08-31 Micro Ear Technology, Inc. Portable system for programming hearing aids
ES2373968T3 (es) * 1997-02-10 2012-02-10 Koninklijke Philips Electronics N.V. Red de comunicación para transmitir señales de voz.
GB2343822B (en) * 1997-07-02 2000-11-29 Simoco Int Ltd Method and apparatus for speech enhancement in a speech communication system
EP0929065A3 (en) * 1998-01-09 1999-12-22 AT&T Corp. A modular approach to speech enhancement with an application to speech coding
US7392180B1 (en) 1998-01-09 2008-06-24 At&T Corp. System and method of coding sound signals using sound enhancement
US6182033B1 (en) 1998-01-09 2001-01-30 At&T Corp. Modular approach to speech enhancement with an application to speech coding
KR100269216B1 (ko) * 1998-04-16 2000-10-16 윤종용 스펙트로-템포럴 자기상관을 사용한 피치결정시스템 및 방법
ATE527827T1 (de) 2000-01-20 2011-10-15 Starkey Lab Inc Verfahren und vorrichtung zur hörgeräteanpassung
US7283961B2 (en) * 2000-08-09 2007-10-16 Sony Corporation High-quality speech synthesis device and method by classification and prediction processing of synthesized sound
EP1308927B9 (en) * 2000-08-09 2009-02-25 Sony Corporation Voice data processing device and processing method
JP2002055699A (ja) * 2000-08-10 2002-02-20 Mitsubishi Electric Corp 音声符号化装置および音声符号化方法
US20030028386A1 (en) * 2001-04-02 2003-02-06 Zinser Richard L. Compressed domain universal transcoder
JP4413480B2 (ja) 2002-08-29 2010-02-10 富士通株式会社 音声処理装置及び移動通信端末装置
WO2004040555A1 (ja) 2002-10-31 2004-05-13 Fujitsu Limited 音声強調装置
EP1619666B1 (en) * 2003-05-01 2009-12-23 Fujitsu Limited Speech decoder, speech decoding method, program, recording medium
US7451082B2 (en) * 2003-08-27 2008-11-11 Texas Instruments Incorporated Noise-resistant utterance detector
WO2005106849A1 (en) * 2004-04-14 2005-11-10 Realnetworks, Inc. Digital audio compression/decompression with reduced complexity linear predictor coefficients coding/de-coding
KR100746680B1 (ko) * 2005-02-18 2007-08-06 후지쯔 가부시끼가이샤 음성 강조 장치
EP1892702A4 (en) 2005-06-17 2010-12-29 Panasonic Corp POST-FILTER, DECODER AND POST-FILTRATION METHOD
JP5228283B2 (ja) * 2006-04-19 2013-07-03 カシオ計算機株式会社 音声合成辞書構築装置、音声合成辞書構築方法、及び、プログラム
EP1850328A1 (en) * 2006-04-26 2007-10-31 Honda Research Institute Europe GmbH Enhancement and extraction of formants of voice signals
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CN101589430B (zh) * 2007-08-10 2012-07-18 松下电器产业株式会社 声音分离装置、声音合成装置及音质变换装置
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US8538749B2 (en) 2008-07-18 2013-09-17 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced intelligibility
US9202456B2 (en) 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
CN101887719A (zh) * 2010-06-30 2010-11-17 北京捷通华声语音技术有限公司 语音合成方法、***及具有语音合成功能的移动终端设备
CN104704560B (zh) * 2012-09-04 2018-06-05 纽昂斯通讯公司 共振峰依赖的语音信号增强
CN104143337B (zh) * 2014-01-08 2015-12-09 腾讯科技（深圳）有限公司 一种提高音频信号音质的方法和装置
WO2015162979A1 (ja) * 2014-04-24 2015-10-29 日本電信電話株式会社 周波数領域パラメータ列生成方法、符号化方法、復号方法、周波数領域パラメータ列生成装置、符号化装置、復号装置、プログラム及び記録媒体
EP2980799A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an audio signal using a harmonic post-filter
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JP6691169B2 (ja) * 2018-06-06 2020-04-28 株式会社Ｎｔｔドコモ 音声信号処理方法及び音声信号処理装置

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Also Published As

Publication number Publication date
US5822732A (en) 1998-10-13
KR960043570A (ko) 1996-12-23
CA2175617C (en) 2000-07-25
NO961894D0 (no) 1996-05-10
DE69614752T2 (de) 2002-06-20
EP0742548A3 (en) 1998-08-26
KR100197203B1 (ko) 1999-06-15
CN1148232A (zh) 1997-04-23
NO961894L (no) 1996-11-13
AR001928A1 (es) 1997-12-10
EP0742548B1 (en) 2001-08-29
TW303451B (es) 1997-04-21
JP2993396B2 (ja) 1999-12-20
NO311471B1 (no) 2001-11-26
MX9601755A (es) 1997-07-31
CA2175617A1 (en) 1996-11-13
JPH08305397A (ja) 1996-11-22
CN1132153C (zh) 2003-12-24
EP0742548A2 (en) 1996-11-13
DE69614752D1 (de) 2001-10-04

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