CL2016002106A1 - Metodo y dispositivo de procesamiento de señales - Google Patents

Metodo y dispositivo de procesamiento de señales

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Publication number
CL2016002106A1
CL2016002106A1 CL2016002106A CL2016002106A CL2016002106A1 CL 2016002106 A1 CL2016002106 A1 CL 2016002106A1 CL 2016002106 A CL2016002106 A CL 2016002106A CL 2016002106 A CL2016002106 A CL 2016002106A CL 2016002106 A1 CL2016002106 A1 CL 2016002106A1
Authority
CL
Chile
Prior art keywords
bands
sub
envelope values
signal
processing device
Prior art date
Application number
CL2016002106A
Other languages
English (en)
Inventor
Bin Wang
Lei Miao
Zexin Liu
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 CL2016002106A1 publication Critical patent/CL2016002106A1/es

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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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

<p>UN METODO Y DISPOSITIVO DE PROCESAMIENTO DE SEÑALES, EL METODO INCLUYE: SELECCIONAR M SUB-BANDAS A PARTIR DE N SUB-BANDAS, DONDE LAS N SUB-BANDAS SE OBTIENEN DIVIDIENDO UN COEFICIENTE ESPECTRAL DE UNA TRAMA ACTUAL DE UNA SEÑAL, Y UNA BANDA DE FRECUENCIA DE LAS M SUB-BANDAS ES MENOR QUE UNA BANDA DE FRECUENCIAS DE K SUB-BANDAS EN LAS N SUB-BANDAS, EXCEPTO LAS M SUB-BANDAS, DETERMINAR, DE ACUERDO CON LA INFORMACION DE RENDIMIENTO DE LAS M SUB-BANDAS, SI SE REALIZA UNA OPERACION DE MODIFICACION DE VALORES DE ENVOLVENTE ORIGINALES DE LAS M SUB-BANDAS, DONDE LA INFORMACION DE RENDIMIENTO SE UTILIZA PARA INDICAR UNA CARACTERISTICA DE ENERGIA Y UNA CARACTERISTICA ESPECTRAL DE LAS M SUB-BANDAS, REALIZAR LA MODIFICACION POR SEPARADO EN LOS VALORES DE ENVOLVENTE ORIGINALES DE LAS M SUB-BANDAS, CON EL FIN DE ADQUIRIR VALORES DE ENVOLVENTE MODIFICADOS DE LAS M SUB-BANDAS, Y REALIZAR UNA PRIMERA ASIGNACION DE BITS EN LAS N SUB-BANDAS DE ACUERDO CON LOS VALORES DE ENVOLVENTE MODIFICADOS DE LAS M SUB-BANDAS Y LOS VALORES DE ENVOLVENTE ORIGINALES DE LAS K SUB-BANDAS, EN LAS REALIZACIONES DE LA PRESENTE INVENCION, LA ASIGNACION DE BITS CUMPLE DE MEJOR MANERA UN REQUERIMIENTO DE BITS DE CADA SUB-BANDA, Y POR LO TANTO, EL RENDIMIENTO DE CODIFICACION Y DE DECODIFICACION DE SEÑALES SE PUEDE MEJORAR.</p>
CL2016002106A 2014-04-29 2016-08-19 Metodo y dispositivo de procesamiento de señales CL2016002106A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410177234.3A CN105096957B (zh) 2014-04-29 2014-04-29 处理信号的方法及设备

Publications (1)

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CL2016002106A1 true CL2016002106A1 (es) 2016-12-16

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Country Status (21)

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US (8) US9837088B2 (es)
EP (3) EP3079150B1 (es)
JP (4) JP6231699B2 (es)
KR (4) KR101977383B1 (es)
CN (2) CN106409303B (es)
AU (2) AU2014392351B2 (es)
BR (1) BR112016015855B1 (es)
CA (1) CA2935084C (es)
CL (1) CL2016002106A1 (es)
ES (1) ES2755152T3 (es)
HK (1) HK1212501A1 (es)
IL (2) IL246427B (es)
MX (2) MX2018009564A (es)
NZ (1) NZ721875A (es)
PL (1) PL3637417T3 (es)
PT (1) PT3079150T (es)
RU (3) RU2656812C2 (es)
SG (2) SG10201801095QA (es)
UA (1) UA117395C2 (es)
WO (1) WO2015165264A1 (es)
ZA (1) ZA201604465B (es)

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US10186271B2 (en) 2019-01-22
KR101890346B1 (ko) 2018-08-21
KR101830855B1 (ko) 2018-02-21
IL246427B (en) 2019-03-31
KR20180019761A (ko) 2018-02-26
MX2018009564A (es) 2022-01-14
EP3079150B1 (en) 2019-09-11
ZA201604465B (en) 2017-09-27
SG11201605353YA (en) 2016-08-30
RU2016134014A (ru) 2018-02-22
US20190108848A1 (en) 2019-04-11
JP6517300B2 (ja) 2019-05-22
SG10201801095QA (en) 2018-03-28
BR112016015855B1 (pt) 2019-09-10
US11580996B2 (en) 2023-02-14
RU2702265C1 (ru) 2019-10-07
US20230238010A1 (en) 2023-07-27
AU2017272204B2 (en) 2019-09-12
CA2935084A1 (en) 2015-11-05
ES2755152T3 (es) 2020-04-21
KR102052487B1 (ko) 2019-12-05
US20170352358A1 (en) 2017-12-07
US10546591B2 (en) 2020-01-28
JP7144499B2 (ja) 2022-09-29
AU2014392351A1 (en) 2016-07-21
US9837088B2 (en) 2017-12-05
RU2018118576A (ru) 2018-10-31
RU2018118576A3 (es) 2019-03-05
US20210343298A1 (en) 2021-11-04
EP4372738A2 (en) 2024-05-22
CN105096957B (zh) 2016-09-14
US20190267015A1 (en) 2019-08-29
CA2935084C (en) 2019-03-12
MX2016010690A (es) 2016-11-23
NZ721875A (en) 2018-03-23
KR101977383B1 (ko) 2019-05-10
EP3079150A1 (en) 2016-10-12
EP3079150A4 (en) 2016-12-07
US20240185867A1 (en) 2024-06-06
CN105096957A (zh) 2015-11-25
AU2017272204A1 (en) 2018-01-04
AU2014392351B2 (en) 2017-09-14
KR20180095120A (ko) 2018-08-24
JP6231699B2 (ja) 2017-11-15
JP6790166B2 (ja) 2020-11-25
JP2017507366A (ja) 2017-03-16
PL3637417T3 (pl) 2024-06-10
EP3637417A1 (en) 2020-04-15
CN106409303B (zh) 2019-09-20
UA117395C2 (uk) 2018-07-25
US20170047074A1 (en) 2017-02-16
US11881226B2 (en) 2024-01-23
EP3637417B1 (en) 2024-02-07
RU2688259C2 (ru) 2019-05-21
PT3079150T (pt) 2019-10-29
IL248575B (en) 2022-02-01
US10347264B2 (en) 2019-07-09
JP2019152871A (ja) 2019-09-12
CN106409303A (zh) 2017-02-15
IL248575A0 (en) 2016-12-29
RU2656812C2 (ru) 2018-06-06
HK1212501A1 (en) 2016-06-10
US11081121B2 (en) 2021-08-03
US20200135218A1 (en) 2020-04-30
JP2021043453A (ja) 2021-03-18
MX358255B (es) 2018-08-09
KR20190049954A (ko) 2019-05-09
WO2015165264A1 (zh) 2015-11-05
JP2018041091A (ja) 2018-03-15
KR20160099714A (ko) 2016-08-22

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