MX339652B - Metodos y dispositivos de codificacion y descodificacion de señal. - Google Patents

Metodos y dispositivos de codificacion y descodificacion de señal.

Info

Publication number
MX339652B
MX339652B MX2014011605A MX2014011605A MX339652B MX 339652 B MX339652 B MX 339652B MX 2014011605 A MX2014011605 A MX 2014011605A MX 2014011605 A MX2014011605 A MX 2014011605A MX 339652 B MX339652 B MX 339652B
Authority
MX
Mexico
Prior art keywords
frequency
domain signal
signal
decoding method
signal encoding
Prior art date
Application number
MX2014011605A
Other languages
English (en)
Other versions
MX2014011605A (es
Inventor
Liu Zexin
Miao Lei
Qi Fengyan
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 MX2014011605A publication Critical patent/MX2014011605A/es
Publication of MX339652B publication Critical patent/MX339652B/es

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • 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
    • G10L19/002—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
    • G10L19/02—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
    • G10L19/02—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
    • G10L19/06—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Modalidades de la presente invención proporcionan métodos y dispositivos para codificación y descodificación de señal; el método de codificación de señal incluye: obtener una señal de dominio de frecuencia de acuerdo con una señal de entrada; asignar bits predeterminados a la señal de dominio de frecuencia de acuerdo con una regla de asignación predeterminada; ajustar la asignación de bits para la señal de dominio de frecuencia cuando una frecuencia más elevada de la señal de dominio de frecuencia a la cual son asignados los bits es mayor que un valor predeterminado; y codificar la señal de dominio de frecuencia de acuerdo con la asignación de bits para la señal de dominio de frecuencia.
MX2014011605A 2012-03-29 2012-05-23 Metodos y dispositivos de codificacion y descodificacion de señal. MX339652B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210087702.9A CN103368682B (zh) 2012-03-29 2012-03-29 信号编码和解码的方法和设备
PCT/CN2012/075924 WO2013143221A1 (zh) 2012-03-29 2012-05-23 信号编码和解码的方法和设备

Publications (2)

Publication Number Publication Date
MX2014011605A MX2014011605A (es) 2014-10-17
MX339652B true MX339652B (es) 2016-06-02

Family

ID=49258139

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2014011605A MX339652B (es) 2012-03-29 2012-05-23 Metodos y dispositivos de codificacion y descodificacion de señal.

Country Status (15)

Country Link
US (4) US9537694B2 (es)
EP (3) EP3664085B1 (es)
JP (2) JP6006400B2 (es)
KR (1) KR101621641B1 (es)
CN (3) CN106409299B (es)
BR (1) BR112014023577B8 (es)
CA (2) CA2994705C (es)
ES (3) ES2927563T3 (es)
MX (1) MX339652B (es)
PL (1) PL3664085T3 (es)
PT (1) PT3249645T (es)
RU (1) RU2592412C2 (es)
SG (2) SG11201405216SA (es)
WO (1) WO2013143221A1 (es)
ZA (1) ZA201406424B (es)

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Also Published As

Publication number Publication date
US20180130481A1 (en) 2018-05-10
PT3249645T (pt) 2020-02-05
CN110706715B (zh) 2022-05-24
US10600430B2 (en) 2020-03-24
SG10201701275XA (en) 2017-03-30
US20150010021A1 (en) 2015-01-08
EP2809009A1 (en) 2014-12-03
ZA201406424B (en) 2019-04-24
WO2013143221A1 (zh) 2013-10-03
EP3249645B1 (en) 2019-11-13
US20170076733A1 (en) 2017-03-16
CN110706715A (zh) 2020-01-17
EP2809009A4 (en) 2015-07-15
CA2866202A1 (en) 2013-10-03
ES2655832T3 (es) 2018-02-21
BR112014023577B1 (pt) 2021-08-24
EP3664085B1 (en) 2022-07-06
CA2994705A1 (en) 2013-10-03
CA2994705C (en) 2020-06-30
JP2017016141A (ja) 2017-01-19
JP6006400B2 (ja) 2016-10-12
BR112014023577A2 (pt) 2017-06-20
KR20140130182A (ko) 2014-11-07
MX2014011605A (es) 2014-10-17
ES2770831T3 (es) 2020-07-03
CN103368682A (zh) 2013-10-23
JP2015517119A (ja) 2015-06-18
EP2809009B1 (en) 2017-11-29
CN106409299B (zh) 2019-11-05
EP3249645A1 (en) 2017-11-29
US9537694B2 (en) 2017-01-03
EP3664085A1 (en) 2020-06-10
US9899033B2 (en) 2018-02-20
CN103368682B (zh) 2016-12-07
BR112014023577A8 (pt) 2021-05-25
CA2866202C (en) 2018-04-03
US9786293B2 (en) 2017-10-10
RU2014142255A (ru) 2016-05-20
JP6323881B2 (ja) 2018-05-16
US20170352359A1 (en) 2017-12-07
SG11201405216SA (en) 2014-11-27
BR112014023577B8 (pt) 2021-10-05
CN106409299A (zh) 2017-02-15
KR101621641B1 (ko) 2016-05-16
ES2927563T3 (es) 2022-11-08
PL3664085T3 (pl) 2022-11-14
RU2592412C2 (ru) 2016-07-20

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