PT4120252T - Codificador de sinais de múltiplos canais e meio legível por computador - Google Patents

Codificador de sinais de múltiplos canais e meio legível por computador

Info

Publication number
PT4120252T
PT4120252T PT221794548T PT22179454T PT4120252T PT 4120252 T PT4120252 T PT 4120252T PT 221794548 T PT221794548 T PT 221794548T PT 22179454 T PT22179454 T PT 22179454T PT 4120252 T PT4120252 T PT 4120252T
Authority
PT
Portugal
Prior art keywords
computer readable
readable medium
channel signal
signal encoder
encoder
Prior art date
Application number
PT221794548T
Other languages
English (en)
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 PT4120252T publication Critical patent/PT4120252T/pt

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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
    • G10L19/008—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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Stereophonic System (AREA)
PT221794548T 2016-08-10 2017-02-22 Codificador de sinais de múltiplos canais e meio legível por computador PT4120252T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610652506.XA CN107731238B (zh) 2016-08-10 2016-08-10 多声道信号的编码方法和编码器

Publications (1)

Publication Number Publication Date
PT4120252T true PT4120252T (pt) 2024-12-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PT221794548T PT4120252T (pt) 2016-08-10 2017-02-22 Codificador de sinais de múltiplos canais e meio legível por computador

Country Status (12)

Country Link
US (4) US11133014B2 (pt)
EP (3) EP4120252B1 (pt)
JP (5) JP6768924B2 (pt)
KR (3) KR102205596B1 (pt)
CN (1) CN107731238B (pt)
AU (4) AU2017310759B2 (pt)
CA (1) CA3033225C (pt)
ES (1) ES2928335T3 (pt)
PL (1) PL4120252T3 (pt)
PT (1) PT4120252T (pt)
RU (1) RU2705427C1 (pt)
WO (1) WO2018028170A1 (pt)

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Also Published As

Publication number Publication date
EP4120252B1 (en) 2024-11-27
KR102486604B1 (ko) 2023-01-09
AU2017310759B2 (en) 2020-12-03
US12334084B2 (en) 2025-06-17
CN107731238B (zh) 2021-07-16
EP4506938A2 (en) 2025-02-12
KR102205596B1 (ko) 2021-01-20
WO2018028170A1 (zh) 2018-02-15
AU2022218507A1 (en) 2022-09-08
US20190172474A1 (en) 2019-06-06
AU2020267256A1 (en) 2020-12-10
EP3493203A4 (en) 2019-06-19
ES2928335T3 (es) 2022-11-17
AU2024205199B2 (en) 2026-01-29
JP7727032B2 (ja) 2025-08-20
US20210383815A1 (en) 2021-12-09
EP4120252A1 (en) 2023-01-18
CA3033225A1 (en) 2018-02-15
US11935548B2 (en) 2024-03-19
AU2022218507B2 (en) 2024-05-02
JP2025170283A (ja) 2025-11-18
US11133014B2 (en) 2021-09-28
EP4506938A3 (en) 2025-03-19
JP7443423B2 (ja) 2024-03-05
BR112019002656A2 (pt) 2019-05-28
JP2019527856A (ja) 2019-10-03
KR20190034302A (ko) 2019-04-01
JP2021009399A (ja) 2021-01-28
JP2024063059A (ja) 2024-05-10
AU2017310759A1 (en) 2019-02-28
AU2024205199A1 (en) 2024-08-15
KR102367538B1 (ko) 2022-02-24
JP7091411B2 (ja) 2022-06-27
KR20220028159A (ko) 2022-03-08
EP3493203B1 (en) 2022-07-27
CA3033225C (en) 2021-11-16
KR20210008566A (ko) 2021-01-22
US20240161756A1 (en) 2024-05-16
PL4120252T3 (pl) 2025-03-31
US20250342845A1 (en) 2025-11-06
CN107731238A (zh) 2018-02-23
RU2705427C1 (ru) 2019-11-07
AU2020267256B2 (en) 2022-05-26
JP2022137052A (ja) 2022-09-21
JP6768924B2 (ja) 2020-10-14
EP3493203A1 (en) 2019-06-05

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