MX340386B - Aparato y metodo para generar señal extendida de ancho de banda. - Google Patents

Aparato y metodo para generar señal extendida de ancho de banda.

Info

Publication number
MX340386B
MX340386B MX2014000161A MX2014000161A MX340386B MX 340386 B MX340386 B MX 340386B MX 2014000161 A MX2014000161 A MX 2014000161A MX 2014000161 A MX2014000161 A MX 2014000161A MX 340386 B MX340386 B MX 340386B
Authority
MX
Mexico
Prior art keywords
bandwidth extension
extension signal
frequency band
generating bandwidth
generating
Prior art date
Application number
MX2014000161A
Other languages
English (en)
Other versions
MX2014000161A (es
Inventor
Choo Ki-Hyun
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of MX2014000161A publication Critical patent/MX2014000161A/es
Publication of MX340386B publication Critical patent/MX340386B/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
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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

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)
  • Mobile Radio Communication Systems (AREA)
  • Error Detection And Correction (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

Se describe un aparato para generar una señal extendida de ancho de banda incluye una unidad de procesamiento anti-escasez para realizar procesamiento anti-escasez sobre un espectro de baja frecuencia; y una unidad de decodificación de extensión de alta frecuencia de dominio de frecuencia para realizar codificación de extensión de alta frecuencia en el dominio de frecuencia sobre el espectro de baja frecuencia en el cual se realiza procesamiento anti-escasez.
MX2014000161A 2011-06-30 2012-07-02 Aparato y metodo para generar señal extendida de ancho de banda. MX340386B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161503241P 2011-06-30 2011-06-30
PCT/KR2012/005258 WO2013002623A2 (ko) 2011-06-30 2012-07-02 대역폭 확장신호 생성장치 및 방법

Publications (2)

Publication Number Publication Date
MX2014000161A MX2014000161A (es) 2014-02-19
MX340386B true MX340386B (es) 2016-07-07

Family

ID=47424723

Family Applications (3)

Application Number Title Priority Date Filing Date
MX2017011044A MX370012B (es) 2011-06-30 2012-07-02 Aparato y método para generar señal extendida de ancho de banda.
MX2014000161A MX340386B (es) 2011-06-30 2012-07-02 Aparato y metodo para generar señal extendida de ancho de banda.
MX2016008879A MX350162B (es) 2011-06-30 2012-07-02 Aparato y método para generar señal extendida de ancho de banda.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
MX2017011044A MX370012B (es) 2011-06-30 2012-07-02 Aparato y método para generar señal extendida de ancho de banda.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2016008879A MX350162B (es) 2011-06-30 2012-07-02 Aparato y método para generar señal extendida de ancho de banda.

Country Status (12)

Country Link
US (3) US9349380B2 (es)
EP (1) EP2728577A4 (es)
JP (3) JP6001657B2 (es)
KR (3) KR102078865B1 (es)
CN (3) CN106128473B (es)
AU (3) AU2012276367B2 (es)
BR (3) BR122021019877B1 (es)
CA (2) CA2840732C (es)
MX (3) MX370012B (es)
TW (3) TWI605448B (es)
WO (1) WO2013002623A2 (es)
ZA (1) ZA201400704B (es)

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Also Published As

Publication number Publication date
JP6247358B2 (ja) 2017-12-13
CN106157968A (zh) 2016-11-23
TW201715513A (zh) 2017-05-01
KR102343332B1 (ko) 2021-12-24
AU2017202211B2 (en) 2018-01-18
BR112013033900A2 (pt) 2017-12-12
KR20200019164A (ko) 2020-02-21
EP2728577A4 (en) 2016-07-27
KR102240271B1 (ko) 2021-04-14
AU2016202120B2 (en) 2017-01-05
CA2966987A1 (en) 2013-01-03
CA2840732C (en) 2017-06-27
US20170345443A1 (en) 2017-11-30
AU2016202120A1 (en) 2016-04-28
KR20200143665A (ko) 2020-12-24
JP6599419B2 (ja) 2019-10-30
TWI619116B (zh) 2018-03-21
KR102078865B1 (ko) 2020-02-19
CN106157968B (zh) 2019-11-29
CN103843062B (zh) 2016-10-05
ZA201400704B (en) 2021-05-26
JP2018025830A (ja) 2018-02-15
JP2014523548A (ja) 2014-09-11
CN106128473B (zh) 2019-12-10
WO2013002623A2 (ko) 2013-01-03
TWI605448B (zh) 2017-11-11
WO2013002623A3 (ko) 2013-04-11
US9349380B2 (en) 2016-05-24
TWI576832B (zh) 2017-04-01
JP2016197271A (ja) 2016-11-24
CA2840732A1 (en) 2013-01-03
AU2012276367B2 (en) 2016-02-04
WO2013002623A4 (ko) 2013-06-06
US9734843B2 (en) 2017-08-15
BR112013033900B1 (pt) 2022-03-15
TW201743320A (zh) 2017-12-16
JP6001657B2 (ja) 2016-10-05
BR122021019883B1 (pt) 2023-03-14
CA2966987C (en) 2019-09-03
CN103843062A (zh) 2014-06-04
AU2012276367A1 (en) 2014-01-30
BR122021019877B1 (pt) 2022-07-19
AU2017202211C1 (en) 2018-08-02
TW201401268A (zh) 2014-01-01
MX350162B (es) 2017-08-29
AU2017202211A1 (en) 2017-04-27
EP2728577A2 (en) 2014-05-07
KR20130007485A (ko) 2013-01-18
US20140188464A1 (en) 2014-07-03
US10037766B2 (en) 2018-07-31
MX370012B (es) 2019-11-28
MX2014000161A (es) 2014-02-19
CN106128473A (zh) 2016-11-16
US20160247519A1 (en) 2016-08-25

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