BRPI0404602A - Método e aparelho para otimização de fala multissensorial - Google Patents

Método e aparelho para otimização de fala multissensorial

Info

Publication number
BRPI0404602A
BRPI0404602A BR0404602-1A BRPI0404602A BRPI0404602A BR PI0404602 A BRPI0404602 A BR PI0404602A BR PI0404602 A BRPI0404602 A BR PI0404602A BR PI0404602 A BRPI0404602 A BR PI0404602A
Authority
BR
Brazil
Prior art keywords
signal
air conduction
conduction microphone
estimate
alternate sensor
Prior art date
Application number
BR0404602-1A
Other languages
English (en)
Inventor
Alejandro Acero
James G Droppo
Li Deng
Michael J Sinclair
Xuedong David Huang
Yanli Zheng
Zhen Gyou Zhang
Zicheng Liu
Original Assignee
Microsoft 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 Microsoft Corp filed Critical Microsoft Corp
Publication of BRPI0404602A publication Critical patent/BRPI0404602A/pt

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
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02165—Two microphones, one receiving mainly the noise signal and the other one mainly the speech signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (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)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

"MéTODO E APARELHO PARA OTIMIZAçãO DE FALA MULTISSENSORIAL". Um método e sistema utilizam um sinal de sensor alternativo recebido a partir de um sensor que não é um microfone de condução aérea para estimar um valor de fala limpa. A estimativa utiliza quer seja o sinal de sensor alternativo isoladamente, ou em conjunto com o sinal de microfone de condução aérea. o valor de fala limpa é estimado sem se utilizar um modelo treinado a partir de dados de treinamento ruidoso coletados a partir de um microfone de condução aérea. De acordo com uma modalidade, vetores de correção são adicionados a um vetor formado a partir do sinal de sensor alternativo para formar um filtro, o qual é aplicado ao sinal de microfone de condução aérea para produzir uma estimativa de fala limpa. Em outras modalidades, o diapasão de um sinal de fala é determinado a partir do sinal de sensor alternativo e é usado para decompor um sinal de microfone de condução aérea. O sinal decomposto é então usado para determinar uma estimativa de sinal limpo.
BR0404602-1A 2003-11-26 2004-10-26 Método e aparelho para otimização de fala multissensorial BRPI0404602A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/724,008 US7447630B2 (en) 2003-11-26 2003-11-26 Method and apparatus for multi-sensory speech enhancement

Publications (1)

Publication Number Publication Date
BRPI0404602A true BRPI0404602A (pt) 2005-07-19

Family

ID=34465721

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0404602-1A BRPI0404602A (pt) 2003-11-26 2004-10-26 Método e aparelho para otimização de fala multissensorial

Country Status (10)

Country Link
US (1) US7447630B2 (pt)
EP (2) EP1536414B1 (pt)
JP (3) JP4986393B2 (pt)
KR (1) KR101099339B1 (pt)
CN (2) CN101887728B (pt)
AU (1) AU2004229048A1 (pt)
BR (1) BRPI0404602A (pt)
CA (2) CA2786803C (pt)
MX (1) MXPA04011033A (pt)
RU (1) RU2373584C2 (pt)

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