MX345604B - Metodo y aparato de procesamiento de señal de voz/audio. - Google Patents

Metodo y aparato de procesamiento de señal de voz/audio.

Info

Publication number
MX345604B
MX345604B MX2014010376A MX2014010376A MX345604B MX 345604 B MX345604 B MX 345604B MX 2014010376 A MX2014010376 A MX 2014010376A MX 2014010376 A MX2014010376 A MX 2014010376A MX 345604 B MX345604 B MX 345604B
Authority
MX
Mexico
Prior art keywords
signal
frequency band
high frequency
time domain
processing method
Prior art date
Application number
MX2014010376A
Other languages
English (en)
Other versions
MX2014010376A (es
Inventor
Liu Zexin
Miao Lei
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2014010376A publication Critical patent/MX2014010376A/es
Publication of MX345604B publication Critical patent/MX345604B/es

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
    • 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
    • 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
    • G10L21/0224—Processing in the time 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
    • 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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G10L19/125—Pitch excitation, e.g. pitch synchronous innovation CELP [PSI-CELP]
    • 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
    • G10L21/038—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephone Function (AREA)
  • Transmitters (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

La presente invención divulga un método y aparato de procesamiento de señal de audio/voz; en una modalidad, el método de procesamiento de señal de audio/voz incluye: cuando una señal de audio/voz conmuta el ancho de banda, obtener una señal de alta frecuencia inicial correspondiente a un cuadro actual de la señal de audio/voz; obtener un parámetro de ganancia global de dominio de tiempo de la señal de alta frecuencia inicial; ejecutar el procesamiento de ponderación en una relación de energía y el parámetro de ganancia global de dominio de tiempo, y utilizar un valor ponderado obtenido como un parámetro de ganancia global predicho donde la relación de energía es una relación entre la energía de un cuadro histórico de la señal de dominio de tiempo de alta frecuencia y la energía de un cuadro actual de la señal de alta frecuencia inicial; corregir la señal de alta frecuencia inicial utilizando el parámetro de ganancia global predicho para obtener una señal de dominio de tiempo de alta frecuencia corregida; y sintetizar un cuadro actual de la señal de dominio de tiempo de frecuencia angosta y la señal de dominio de tiempo de alta frecuencia corregida y emitir la señal sintetizada.
MX2014010376A 2012-03-01 2013-03-01 Metodo y aparato de procesamiento de señal de voz/audio. MX345604B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210051672.6A CN103295578B (zh) 2012-03-01 2012-03-01 一种语音频信号处理方法和装置
PCT/CN2013/072075 WO2013127364A1 (zh) 2012-03-01 2013-03-01 一种语音频信号处理方法和装置

Publications (2)

Publication Number Publication Date
MX2014010376A MX2014010376A (es) 2014-12-05
MX345604B true MX345604B (es) 2017-02-03

Family

ID=49081655

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2014010376A MX345604B (es) 2012-03-01 2013-03-01 Metodo y aparato de procesamiento de señal de voz/audio.
MX2017001662A MX364202B (es) 2012-03-01 2013-03-01 Metodo y aparato de procesamiento de señal de voz/audio.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2017001662A MX364202B (es) 2012-03-01 2013-03-01 Metodo y aparato de procesamiento de señal de voz/audio.

Country Status (20)

Country Link
US (4) US9691396B2 (es)
EP (3) EP3534365B1 (es)
JP (3) JP6010141B2 (es)
KR (3) KR101844199B1 (es)
CN (2) CN103295578B (es)
BR (1) BR112014021407B1 (es)
CA (1) CA2865533C (es)
DK (1) DK3534365T3 (es)
ES (3) ES2867537T3 (es)
HU (1) HUE053834T2 (es)
IN (1) IN2014KN01739A (es)
MX (2) MX345604B (es)
MY (1) MY162423A (es)
PL (1) PL3534365T3 (es)
PT (2) PT3193331T (es)
RU (2) RU2585987C2 (es)
SG (2) SG11201404954WA (es)
TR (1) TR201911006T4 (es)
WO (1) WO2013127364A1 (es)
ZA (1) ZA201406248B (es)

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Also Published As

Publication number Publication date
DK3534365T3 (da) 2021-04-12
ES2867537T3 (es) 2021-10-20
BR112014021407A2 (pt) 2019-04-16
CN103295578B (zh) 2016-05-18
CA2865533A1 (en) 2013-09-06
US10360917B2 (en) 2019-07-23
KR20170013405A (ko) 2017-02-06
EP3534365A1 (en) 2019-09-04
ES2741849T3 (es) 2020-02-12
SG10201608440XA (en) 2016-11-29
EP2821993B1 (en) 2017-05-10
MX364202B (es) 2019-04-16
SG11201404954WA (en) 2014-10-30
JP6378274B2 (ja) 2018-08-22
US10013987B2 (en) 2018-07-03
PT3193331T (pt) 2019-08-27
US20180374488A1 (en) 2018-12-27
PL3534365T3 (pl) 2021-07-12
JP2017027068A (ja) 2017-02-02
US20150006163A1 (en) 2015-01-01
RU2585987C2 (ru) 2016-06-10
US10559313B2 (en) 2020-02-11
CA2865533C (en) 2017-11-07
JP2018197869A (ja) 2018-12-13
CN105469805B (zh) 2018-01-12
EP2821993A1 (en) 2015-01-07
HUE053834T2 (hu) 2021-07-28
KR101667865B1 (ko) 2016-10-19
KR101844199B1 (ko) 2018-03-30
MY162423A (en) 2017-06-15
IN2014KN01739A (es) 2015-10-23
KR20160121612A (ko) 2016-10-19
BR112014021407B1 (pt) 2019-11-12
KR101702281B1 (ko) 2017-02-03
EP3193331A1 (en) 2017-07-19
US20170270933A1 (en) 2017-09-21
RU2014139605A (ru) 2016-04-20
WO2013127364A1 (zh) 2013-09-06
EP2821993A4 (en) 2015-02-25
JP6010141B2 (ja) 2016-10-19
JP6558748B2 (ja) 2019-08-14
JP2015512060A (ja) 2015-04-23
US20190318747A1 (en) 2019-10-17
US9691396B2 (en) 2017-06-27
EP3193331B1 (en) 2019-05-15
MX2014010376A (es) 2014-12-05
PT2821993T (pt) 2017-07-13
EP3534365B1 (en) 2021-01-27
ZA201406248B (en) 2016-01-27
TR201911006T4 (tr) 2019-08-21
ES2629135T3 (es) 2017-08-07
CN103295578A (zh) 2013-09-11
KR20140124004A (ko) 2014-10-23
CN105469805A (zh) 2016-04-06
RU2616557C1 (ru) 2017-04-17

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