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MX2010003854A - Dispositivo y metodo para generar una se?al multicanal que incluye el procesamiento de se?al auditiva de voz. - Google Patents

Dispositivo y metodo para generar una se?al multicanal que incluye el procesamiento de se?al auditiva de voz.

Info

Publication number
MX2010003854A
MX2010003854A MX2010003854A MX2010003854A MX2010003854A MX 2010003854 A MX2010003854 A MX 2010003854A MX 2010003854 A MX2010003854 A MX 2010003854A MX 2010003854 A MX2010003854 A MX 2010003854A MX 2010003854 A MX2010003854 A MX 2010003854A
Authority
MX
Mexico
Prior art keywords
signal
channel signal
direct
voice
surround channel
Prior art date
Application number
MX2010003854A
Other languages
English (en)
Inventor
J Rgen Herre
Harald Popp
Oliver Hellmuth
Thorsten Kastner
Christian Uhle
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2010003854A publication Critical patent/MX2010003854A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • 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
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Color Television Systems (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

A fin de generar una se?al multicanal que comprende varios canales de salida mayores a varios canales de entrada, un se usa mezclador para convertir se?ales de entrada de est?reo a multicanal para formar al menos una se?al de canal directa y al menos una se?al de canal de caracter?stica tonal ambiental. Se proporciona un detector de se?ales vocales (18) para detectar una secci?n de la se?al de entrada, la se?al de canal directa o la se?al de canal de caracter?stica tonal ambiental en la cual ocurren las porciones de habla. Basado en esta detecci?n, un modificador de se?al (20) modifica la se?al de entrada o la se?al de canal de caracter?stica tonal ambiental a fin de atenuar porciones de habla en la se?al de canal de caracter?stica tonal ambiental, mientras que tales porciones de habla en la se?al de canal directa son atenuadas en menor grado o en absoluto. El medio de salida de se?al del altavoz (22) correlaciona la se?al de canal directo y las se?ales de canal de caracter?stica tonal ambiental en se?ales del altavoz que se asocian a un esquema de reproducci?n definido, tal como, por ejemplo, un esquema de sonido 5.1.
MX2010003854A 2007-10-12 2008-10-01 Dispositivo y metodo para generar una se?al multicanal que incluye el procesamiento de se?al auditiva de voz. MX2010003854A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007048973A DE102007048973B4 (de) 2007-10-12 2007-10-12 Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals mit einer Sprachsignalverarbeitung
PCT/EP2008/008324 WO2009049773A1 (de) 2007-10-12 2008-10-01 Vorrichtung und verfahren zum erzeugen eines multikanalsignals mit einer sprachsignalverarbeitung

Publications (1)

Publication Number Publication Date
MX2010003854A true MX2010003854A (es) 2010-04-27

Family

ID=40032822

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2010003854A MX2010003854A (es) 2007-10-12 2008-10-01 Dispositivo y metodo para generar una se?al multicanal que incluye el procesamiento de se?al auditiva de voz.

Country Status (15)

Country Link
US (1) US8731209B2 (es)
EP (1) EP2206113B1 (es)
JP (1) JP5149968B2 (es)
KR (1) KR101100610B1 (es)
CN (1) CN101842834B (es)
AT (1) ATE507555T1 (es)
AU (1) AU2008314183B2 (es)
BR (1) BRPI0816638B1 (es)
CA (1) CA2700911C (es)
DE (2) DE102007048973B4 (es)
ES (1) ES2364888T3 (es)
MX (1) MX2010003854A (es)
PL (1) PL2206113T3 (es)
RU (1) RU2461144C2 (es)
WO (1) WO2009049773A1 (es)

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Also Published As

Publication number Publication date
ES2364888T3 (es) 2011-09-16
BRPI0816638B1 (pt) 2020-03-10
EP2206113B1 (de) 2011-04-27
EP2206113A1 (de) 2010-07-14
BRPI0816638A2 (pt) 2015-03-10
KR101100610B1 (ko) 2011-12-29
HK1146424A1 (en) 2011-06-03
RU2461144C2 (ru) 2012-09-10
DE102007048973A1 (de) 2009-04-16
KR20100065372A (ko) 2010-06-16
DE102007048973B4 (de) 2010-11-18
CN101842834A (zh) 2010-09-22
DE502008003378D1 (de) 2011-06-09
AU2008314183B2 (en) 2011-03-31
WO2009049773A1 (de) 2009-04-23
RU2010112890A (ru) 2011-11-20
CN101842834B (zh) 2012-08-08
US8731209B2 (en) 2014-05-20
CA2700911C (en) 2014-08-26
AU2008314183A1 (en) 2009-04-23
JP5149968B2 (ja) 2013-02-20
JP2011501486A (ja) 2011-01-06
CA2700911A1 (en) 2009-04-23
US20100232619A1 (en) 2010-09-16
ATE507555T1 (de) 2011-05-15
PL2206113T3 (pl) 2011-09-30

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