ES2174484T3 - Procedimiento y dispositivo de supresion de ruido de una señal numerica de palabra. - Google Patents

Procedimiento y dispositivo de supresion de ruido de una señal numerica de palabra.

Info

Publication number
ES2174484T3
ES2174484T3 ES98944000T ES98944000T ES2174484T3 ES 2174484 T3 ES2174484 T3 ES 2174484T3 ES 98944000 T ES98944000 T ES 98944000T ES 98944000 T ES98944000 T ES 98944000T ES 2174484 T3 ES2174484 T3 ES 2174484T3
Authority
ES
Spain
Prior art keywords
frame
word signal
word
noise suppression
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.)
Expired - Lifetime
Application number
ES98944000T
Other languages
English (en)
Inventor
Philip Lockwood
Stephane Lubiarz
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.)
EADS Defence and Security Networks SAS
Original Assignee
EADS Defence and Security Networks SAS
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 EADS Defence and Security Networks SAS filed Critical EADS Defence and Security Networks SAS
Application granted granted Critical
Publication of ES2174484T3 publication Critical patent/ES2174484T3/es
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
    • 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
    • G10L21/0208—Noise 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • 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
    • G10L21/0208—Noise filtering
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Picture Signal Circuits (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

Procedimiento de supresión de ruido de una señal numérica de palabra (s) tratada por trazas sucesivas, en el cual: se efectúa un análisis armónico de la señal de palabra para estimar una frecuencia tonal (fp) dela señal de palabra en cada trama donde presenta actividad vocal; se calculan unas componentes espectrales (Sn;f , Sn;i ) delaseñal de palabra en cada trama; se calculan para cada trama, unas estimaciones de componentes espectrales del ruido comprendidas en la señal de palabra; se efectúa una sustracción espectral que comprende por lo menos una etapa que consiste en sustraer respectivamente, de cada componente espectral de la señal de palabra de la trama (Sn;f ), una cantidad que depende de parámetros que incluyen por lo menos la estimación de la componente espectral correspondiente al ruido para dicha trama y el valor de la frecuencia tonal estimada.
ES98944000T 1997-09-18 1998-09-16 Procedimiento y dispositivo de supresion de ruido de una señal numerica de palabra. Expired - Lifetime ES2174484T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9711642A FR2768546B1 (fr) 1997-09-18 1997-09-18 Procede de debruitage d'un signal de parole numerique

Publications (1)

Publication Number Publication Date
ES2174484T3 true ES2174484T3 (es) 2002-11-01

Family

ID=9511229

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98944000T Expired - Lifetime ES2174484T3 (es) 1997-09-18 1998-09-16 Procedimiento y dispositivo de supresion de ruido de una señal numerica de palabra.

Country Status (10)

Country Link
EP (1) EP1016073B1 (es)
JP (1) JP2001516902A (es)
CN (1) CN1276896A (es)
AU (1) AU9169098A (es)
BR (1) BR9812655A (es)
CA (1) CA2304015A1 (es)
DE (1) DE69804329T2 (es)
ES (1) ES2174484T3 (es)
FR (1) FR2768546B1 (es)
WO (1) WO1999014739A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379550A (en) * 2001-09-11 2003-03-12 Barrington Dyer Printed code recording and playing system, for music, speech and sounds
WO2006032760A1 (fr) * 2004-09-16 2006-03-30 France Telecom Procede de traitement d'un signal sonore bruite et dispositif pour la mise en œuvre du procede
FR2899424A1 (fr) * 2006-03-28 2007-10-05 France Telecom Procede de synthese binaurale prenant en compte un effet de salle
JP5459688B2 (ja) 2009-03-31 2014-04-02 ▲ホア▼▲ウェイ▼技術有限公司 復号信号のスペクトルを調整する方法、装置、および音声復号システム
CN101859569B (zh) * 2010-05-27 2012-08-15 上海朗谷电子科技有限公司 数字音频信号处理降噪的方法
CN104251934B (zh) * 2013-06-26 2018-08-14 华为技术有限公司 谐波分析方法和装置以及确定谐波间杂波的方法和装置
CN113393849B (zh) * 2019-01-29 2022-07-12 桂林理工大学南宁分校 一种双模块数据处理的对讲机系统
CN109817241B (zh) * 2019-02-18 2021-06-01 腾讯音乐娱乐科技（深圳）有限公司 音频处理方法、装置及存储介质
CN116580712B (zh) * 2023-07-14 2023-09-15 深圳攀高医疗电子有限公司 一种语音处理方法、系统及腰部治疗仪

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU633673B2 (en) * 1990-01-18 1993-02-04 Matsushita Electric Industrial Co., Ltd. Signal processing device
DE69124005T2 (de) * 1990-05-28 1997-07-31 Matsushita Electric Ind Co Ltd Sprachsignalverarbeitungsvorrichtung
US5469087A (en) * 1992-06-25 1995-11-21 Noise Cancellation Technologies, Inc. Control system using harmonic filters
US5555190A (en) * 1995-07-12 1996-09-10 Micro Motion, Inc. Method and apparatus for adaptive line enhancement in Coriolis mass flow meter measurement

Also Published As

Publication number Publication date
FR2768546A1 (fr) 1999-03-19
DE69804329T2 (de) 2002-11-14
FR2768546B1 (fr) 2000-07-21
JP2001516902A (ja) 2001-10-02
EP1016073B1 (fr) 2002-03-20
WO1999014739A1 (fr) 1999-03-25
AU9169098A (en) 1999-04-05
CA2304015A1 (fr) 1999-03-25
BR9812655A (pt) 2000-08-22
CN1276896A (zh) 2000-12-13
DE69804329D1 (de) 2002-04-25
EP1016073A1 (fr) 2000-07-05

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