MX2023010329A - Dispositivo de codificacion, dispositivo de decodificacion, metodo de codificacion y metodo de decodificacion. - Google Patents

Dispositivo de codificacion, dispositivo de decodificacion, metodo de codificacion y metodo de decodificacion.

Info

Publication number
MX2023010329A
MX2023010329A MX2023010329A MX2023010329A MX2023010329A MX 2023010329 A MX2023010329 A MX 2023010329A MX 2023010329 A MX2023010329 A MX 2023010329A MX 2023010329 A MX2023010329 A MX 2023010329A MX 2023010329 A MX2023010329 A MX 2023010329A
Authority
MX
Mexico
Prior art keywords
encoding
decoding
vector
quantization
bits
Prior art date
Application number
MX2023010329A
Other languages
English (en)
Inventor
Chong Soon Lim
Srikanth Nagisetty
Hiroyuki Ehara
Akira Harada
Original Assignee
Panasonic Ip Corp America
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 Panasonic Ip Corp America filed Critical Panasonic Ip Corp America
Publication of MX2023010329A publication Critical patent/MX2023010329A/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
    • G10L19/02—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
    • 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
    • H03M7/3082—Vector 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

La presente invención se relaciona con un aparato de codificación que comprende: una circuitería de cuantificación que genera un parámetro de cuantificación que incluye una primera información relacionada con un libro de códigos de cuantificación de vectores y una segunda información relacionada con vectores de códigos incluidos en el libro de códigos; y un circuito de control que determina cuál de entre la primera codificación de la primera información para el subvector objetivo y la segunda codificación de un segundo número de bits basándose en la diferencia entre un número asignado de bits para la cuantificación del vector y el número de bits del parámetro de cuantificación debe ejecutarse, de acuerdo con el número de bits disponibles para codificar subvectores que incluyen por lo menos un subvector objetivo entre una pluralidad de subvectores en la cuantificación del vector.
MX2023010329A 2021-03-23 2021-11-16 Dispositivo de codificacion, dispositivo de decodificacion, metodo de codificacion y metodo de decodificacion. MX2023010329A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163164942P 2021-03-23 2021-03-23
JP2021118130 2021-07-16
PCT/JP2021/042063 WO2022201632A1 (ja) 2021-03-23 2021-11-16 符号化装置、復号装置、符号化方法、及び、復号方法

Publications (1)

Publication Number Publication Date
MX2023010329A true MX2023010329A (es) 2023-09-14

Family

ID=83395493

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2023010329A MX2023010329A (es) 2021-03-23 2021-11-16 Dispositivo de codificacion, dispositivo de decodificacion, metodo de codificacion y metodo de decodificacion.

Country Status (8)

Country Link
US (1) US20240177723A1 (es)
EP (1) EP4318954A1 (es)
JP (1) JPWO2022201632A1 (es)
KR (1) KR20230159417A (es)
AU (1) AU2021436955A1 (es)
BR (1) BR112023018483A2 (es)
MX (1) MX2023010329A (es)
WO (1) WO2022201632A1 (es)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101615910B (zh) * 2009-05-31 2010-12-22 华为技术有限公司 压缩编码的方法、装置和设备以及压缩解码方法
KR101288042B1 (ko) 2011-12-01 2013-07-19 주식회사 탱그램디자인연구소 카드 수납이 가능한 핸드폰 보호 케이스
US9454972B2 (en) * 2012-02-10 2016-09-27 Panasonic Intellectual Property Corporation Of America Audio and speech coding device, audio and speech decoding device, method for coding audio and speech, and method for decoding audio and speech
CN105723454B (zh) * 2013-09-13 2020-01-24 三星电子株式会社 能量无损编码方法和设备、信号编码方法和设备、能量无损解码方法和设备及信号解码方法和设备
JP2021118130A (ja) 2020-01-28 2021-08-10 パナソニックＩｐマネジメント株式会社 照明装置

Also Published As

Publication number Publication date
WO2022201632A1 (ja) 2022-09-29
EP4318954A1 (en) 2024-02-07
BR112023018483A2 (pt) 2023-10-10
KR20230159417A (ko) 2023-11-21
AU2021436955A1 (en) 2023-09-21
US20240177723A1 (en) 2024-05-30
JPWO2022201632A1 (es) 2022-09-29

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