ES2133281T3 - Dispositivo de mejora de la inteligibilidad de un sistema de audicion publica. - Google Patents

Dispositivo de mejora de la inteligibilidad de un sistema de audicion publica.

Info

Publication number
ES2133281T3
ES2133281T3 ES91311590T ES91311590T ES2133281T3 ES 2133281 T3 ES2133281 T3 ES 2133281T3 ES 91311590 T ES91311590 T ES 91311590T ES 91311590 T ES91311590 T ES 91311590T ES 2133281 T3 ES2133281 T3 ES 2133281T3
Authority
ES
Spain
Prior art keywords
voice
intelligibility
formators
source
individually
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
ES91311590T
Other languages
English (en)
Inventor
Arnold I Klayman
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.)
DTS LLC
Original Assignee
SRS Labs Inc
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 SRS Labs Inc filed Critical SRS Labs Inc
Application granted granted Critical
Publication of ES2133281T3 publication Critical patent/ES2133281T3/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
    • G10L15/00—Speech recognition
    • G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

SISTEMA DE INCREMENTO DE LA INTELIGIBILIDAD DE LA MEGAFONIA. SE INCREMENTA LA INTELIGIBILIDAD DE LA VOZ HUMANA PROYECTADA POR UN ALTAVOZ EN UN ENTORNO CON RUIDO AMBIENTAL ALTO POR MEDIO DE LOS FORMANTES DE LOS AMPLIFICADORES (26, 28, 30) DE VOZ. COMO LA INTELIGIBILIDAD DE LA VOZ HUMANA SE DERIVA AMPLIAMENTE DEL MODELO DE DISTRIBUCION DE FRECUENCIA DE LOS FORMANTES DE VOZ, EL INCREMENTO SELECTIVO DE LOS FORMANTES FACILITA QUE LA VOZ SEA MUCHO MAS RAPIDAMENTE COMPRENSIBLE EN PRESENCIA DE RUIDO DE FONDO ALTO CON SOLO UN INCREMENTO MINIMO DE LA AMPLITUD DE LA VOZ. SE PROCESAN LOS FORMANTES SELECCIONANDOLOS INDIVIDUALMENTE EN UN ANALIZADOR DE ESPECTRO (42, 124), AMPLIANDOLOS INDIVIDUALMENTE (50, 58, 74, 80, 140 A 146) Y EVALUANDOLOS SELECTIVAMENTE (56, 57, 78, 82) ANTES DE RECOMBINAR LOS FORMANTES PROCESADOS Y LOS COMPONENTES DE VOZ DE BANDA DE BASE NO PROCESADOS (130) PARA PROPORCIONAR UNA SEÑAL DE SALIDA (116) DE INTELIGIBILIDAD ENORMEMENTE INCREMENTADA.
ES91311590T 1991-03-27 1991-12-12 Dispositivo de mejora de la inteligibilidad de un sistema de audicion publica. Expired - Lifetime ES2133281T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US67603791A 1991-03-27 1991-03-27

Publications (1)

Publication Number Publication Date
ES2133281T3 true ES2133281T3 (es) 1999-09-16

Family

ID=24712968

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91311590T Expired - Lifetime ES2133281T3 (es) 1991-03-27 1991-12-12 Dispositivo de mejora de la inteligibilidad de un sistema de audicion publica.

Country Status (10)

Country Link
US (1) US5459813A (es)
EP (1) EP0505645B1 (es)
JP (1) JP3151459B2 (es)
KR (1) KR950013557B1 (es)
CN (1) CN1041266C (es)
CA (1) CA2056110C (es)
DE (1) DE69131095T2 (es)
ES (1) ES2133281T3 (es)
IL (1) IL100174A (es)
MX (1) MX9102610A (es)

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Also Published As

Publication number Publication date
CN1041266C (zh) 1998-12-16
CA2056110C (en) 1997-02-04
DE69131095D1 (de) 1999-05-12
JPH04328798A (ja) 1992-11-17
JP3151459B2 (ja) 2001-04-03
EP0505645A1 (en) 1992-09-30
US5459813A (en) 1995-10-17
MX9102610A (es) 1994-06-30
DE69131095T2 (de) 1999-09-23
IL100174A0 (en) 1992-08-18
EP0505645B1 (en) 1999-04-07
HK1003305A1 (en) 1998-10-23
IL100174A (en) 1997-09-30
KR950013557B1 (ko) 1995-11-08
KR920018650A (ko) 1992-10-22
CA2056110A1 (en) 1992-09-28
CN1065370A (zh) 1992-10-14

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