ES2428316T3 - Dispositivo de descodificación de habla, método de descodificación de habla y programa de descodificación de habla - Google Patents

Dispositivo de descodificación de habla, método de descodificación de habla y programa de descodificación de habla Download PDF

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Publication number
ES2428316T3
ES2428316T3 ES12171613T ES12171613T ES2428316T3 ES 2428316 T3 ES2428316 T3 ES 2428316T3 ES 12171613 T ES12171613 T ES 12171613T ES 12171613 T ES12171613 T ES 12171613T ES 2428316 T3 ES2428316 T3 ES 2428316T3
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speech decoding
high frequency
speech
frequency
decoding
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Kosuke Tsujino
Kei Kikuiri
Nobuhiko Naka
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NTT Docomo Inc
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NTT Docomo Inc
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    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading 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
    • 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
    • G10L21/04—Time compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

Un dispositivo de descodificación de habla para descodificar una serial de hablacodificada, en que el dispositivo de descodificación de habla comprende: un medio de separación de corriente de bits para separar una corriente de bits queincluye la serial de habla codificada en una corriente de bits codificados e informaciónsuplementaria de envoltorio temporal, la corriente de bits recibida des de fuera deldispositivo de descodificación de habla; un medio de descodificación central para descodificar la corriente de bits codificadosseparada por el medio de separación de corriente de bits para obtener un componente debaja frecuencia; un medio de transformación de frecuencia para transformar el componente de bajafrecuencia obtenido por el medio central de descodificación en un dominio defrecuencia; un medio de generación de alta frecuencia para generar un componente de altafrecuencia copiando el componente de baja frecuencia transformado en el dominio defrecuencia por el medio de transformación de frecuencia de una banda de bajafrecuencia a una banda de alta frecuencia; un medio de ajuste de alta frecuencia primario para ejecutar en el componente de altafrecuencia generado por el medio de generación de alta frecuencia una parte del procesoque incluye el ajuste de aumento, adicion de ruido y adicion de sinusoides para generaruna serial de salida.
ES12171613T 2009-04-03 2010-04-02 Dispositivo de descodificación de habla, método de descodificación de habla y programa de descodificación de habla Active ES2428316T3 (es)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP2009091396 2009-04-03
JP2009091396 2009-04-03
JP2009146831 2009-06-19
JP2009146831 2009-06-19
JP2009162238 2009-07-08
JP2009162238 2009-07-08
JP2010004419A JP4932917B2 (ja) 2009-04-03 2010-01-12 音声復号装置、音声復号方法、及び音声復号プログラム
JP2010004419 2010-01-12

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Publication Number Publication Date
ES2428316T3 true ES2428316T3 (es) 2013-11-07

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Family Applications (5)

Application Number Title Priority Date Filing Date
ES12171613T Active ES2428316T3 (es) 2009-04-03 2010-04-02 Dispositivo de descodificación de habla, método de descodificación de habla y programa de descodificación de habla
ES10758890.7T Active ES2453165T3 (es) 2009-04-03 2010-04-02 Dispositivo de codificación de habla, dispositivo de descodificación de habla, método de codificación de habla, método de descodificaión de habla, programa de codificación de habla y programa de descodificación de habla
ES12171597.3T Active ES2586766T3 (es) 2009-04-03 2010-04-02 Dispositivo de decodificación de habla, método de decodificación de habla y programa de decodificación de habla
ES12171612.0T Active ES2587853T3 (es) 2009-04-03 2010-04-02 Dispositivo de decodificación de habla, método de decodificación de habla y programa de decodificación de habla
ES12171603.9T Active ES2610363T3 (es) 2009-04-03 2010-04-02 Dispositivo de decodificación del habla, procedimiento de decodificación del habla y programa de decodificación del habla

Family Applications After (4)

Application Number Title Priority Date Filing Date
ES10758890.7T Active ES2453165T3 (es) 2009-04-03 2010-04-02 Dispositivo de codificación de habla, dispositivo de descodificación de habla, método de codificación de habla, método de descodificaión de habla, programa de codificación de habla y programa de descodificación de habla
ES12171597.3T Active ES2586766T3 (es) 2009-04-03 2010-04-02 Dispositivo de decodificación de habla, método de decodificación de habla y programa de decodificación de habla
ES12171612.0T Active ES2587853T3 (es) 2009-04-03 2010-04-02 Dispositivo de decodificación de habla, método de decodificación de habla y programa de decodificación de habla
ES12171603.9T Active ES2610363T3 (es) 2009-04-03 2010-04-02 Dispositivo de decodificación del habla, procedimiento de decodificación del habla y programa de decodificación del habla

Country Status (21)

Country Link
US (5) US8655649B2 (es)
EP (5) EP2503548B1 (es)
JP (1) JP4932917B2 (es)
KR (7) KR101530295B1 (es)
CN (6) CN102779522B (es)
AU (1) AU2010232219B8 (es)
BR (1) BRPI1015049B1 (es)
CA (4) CA2844635C (es)
CY (1) CY1114412T1 (es)
DK (2) DK2503548T3 (es)
ES (5) ES2428316T3 (es)
HR (1) HRP20130841T1 (es)
MX (1) MX2011010349A (es)
PH (4) PH12012501117B1 (es)
PL (2) PL2503546T4 (es)
PT (3) PT2509072T (es)
RU (6) RU2498422C1 (es)
SG (2) SG10201401582VA (es)
SI (1) SI2503548T1 (es)
TW (6) TWI479479B (es)
WO (1) WO2010114123A1 (es)

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