MX2013007489A - Aparato y metodo para codificacion/decodificacion para extension de ancho de banda de alta frecuencia. - Google Patents

Aparato y metodo para codificacion/decodificacion para extension de ancho de banda de alta frecuencia.

Info

Publication number
MX2013007489A
MX2013007489A MX2013007489A MX2013007489A MX2013007489A MX 2013007489 A MX2013007489 A MX 2013007489A MX 2013007489 A MX2013007489 A MX 2013007489A MX 2013007489 A MX2013007489 A MX 2013007489A MX 2013007489 A MX2013007489 A MX 2013007489A
Authority
MX
Mexico
Prior art keywords
encoding
decoding
frequency bandwidth
input signal
bandwidth extension
Prior art date
Application number
MX2013007489A
Other languages
English (en)
Inventor
Ho Sang Sung
Ki-Hyun Choo
Eun-Mi Oh
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
Priority claimed from KR1020100138045A external-priority patent/KR101826331B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of MX2013007489A publication Critical patent/MX2013007489A/es

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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

Abstract

Se describe un aparato y un método para codificación/decodificació n para extensión de ancho de banda de alta frecuencia. El aparato de codificación puede reducir por muestreo una señal de entrada, realizar codificación de núcleo de la señal de entrada reducida por muestreo, realizar conversión de frecuencia de la señal de entrada y realizar codificación de extensión de ancho de banda utilizando una señal básica de la señal de entrada de un dominio de frecuencia.
MX2013007489A 2010-12-29 2011-12-28 Aparato y metodo para codificacion/decodificacion para extension de ancho de banda de alta frecuencia. MX2013007489A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020100138045A KR101826331B1 (ko) 2010-09-15 2010-12-29 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
US201161495017P 2011-06-09 2011-06-09
PCT/KR2011/010258 WO2012091464A1 (ko) 2010-12-29 2011-12-28 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법

Publications (1)

Publication Number Publication Date
MX2013007489A true MX2013007489A (es) 2013-11-20

Family

ID=47904455

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2013007489A MX2013007489A (es) 2010-12-29 2011-12-28 Aparato y metodo para codificacion/decodificacion para extension de ancho de banda de alta frecuencia.

Country Status (14)

Country Link
US (2) US10453466B2 (es)
EP (3) EP3023985B1 (es)
JP (3) JP6148983B2 (es)
KR (2) KR102022664B1 (es)
CN (3) CN106409305B (es)
AU (1) AU2011350143B9 (es)
BR (2) BR122021007425B1 (es)
CA (3) CA2823175C (es)
ES (2) ES2564504T3 (es)
MX (1) MX2013007489A (es)
MY (2) MY186055A (es)
RU (1) RU2672133C1 (es)
SG (1) SG191771A1 (es)
WO (1) WO2012091464A1 (es)

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Also Published As

Publication number Publication date
MY186055A (en) 2021-06-17
EP3249647B1 (en) 2023-10-18
US10811022B2 (en) 2020-10-20
CA2981539A1 (en) 2012-07-05
CA2929800A1 (en) 2012-07-05
JP6599417B2 (ja) 2019-10-30
EP3023985B1 (en) 2017-07-05
KR102109938B1 (ko) 2020-05-12
MY185753A (en) 2021-06-03
EP3249647A1 (en) 2017-11-29
EP3249647C0 (en) 2023-10-18
ES2564504T3 (es) 2016-03-23
EP2657933B1 (en) 2016-03-02
CA2929800C (en) 2017-12-19
EP3023985A1 (en) 2016-05-25
BR122021007425B1 (pt) 2022-12-20
US10453466B2 (en) 2019-10-22
WO2012091464A4 (ko) 2012-09-27
CN103493131B (zh) 2016-11-16
KR20190108088A (ko) 2019-09-23
KR20120137313A (ko) 2012-12-20
CA2823175A1 (en) 2012-07-05
KR102022664B1 (ko) 2019-11-04
JP6240145B2 (ja) 2017-11-29
RU2672133C1 (ru) 2018-11-12
CN106409305A (zh) 2017-02-15
CA2823175C (en) 2016-07-26
BR112013016438B1 (pt) 2021-08-17
CN106409305B (zh) 2019-12-10
JP2016105174A (ja) 2016-06-09
CA2981539C (en) 2020-08-25
SG191771A1 (en) 2013-08-30
JP2018018113A (ja) 2018-02-01
CN103493131A (zh) 2014-01-01
BR112013016438A2 (pt) 2017-03-28
EP2657933A4 (en) 2014-08-27
US20200051579A1 (en) 2020-02-13
JP6148983B2 (ja) 2017-06-14
US20190115037A1 (en) 2019-04-18
CN106228992A (zh) 2016-12-14
AU2011350143B2 (en) 2015-02-05
CN106228992B (zh) 2019-12-03
EP2657933A1 (en) 2013-10-30
ES2967508T3 (es) 2024-04-30
AU2011350143B9 (en) 2015-05-14
WO2012091464A1 (ko) 2012-07-05
RU2013135005A (ru) 2015-02-10
JP2014505902A (ja) 2014-03-06

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