SG11202004228VA - Encoding and decoding audio signals - Google Patents

Encoding and decoding audio signals

Info

Publication number
SG11202004228VA
SG11202004228VA SG11202004228VA SG11202004228VA SG11202004228VA SG 11202004228V A SG11202004228V A SG 11202004228VA SG 11202004228V A SG11202004228V A SG 11202004228VA SG 11202004228V A SG11202004228V A SG 11202004228VA SG 11202004228V A SG11202004228V A SG 11202004228VA
Authority
SG
Singapore
Prior art keywords
encoding
audio signals
decoding audio
decoding
signals
Prior art date
Application number
SG11202004228VA
Other languages
English (en)
Inventor
Emmanuel Ravelli
Adrian Tomasek
Manfred Lutzky
Conrad Benndorf
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of SG11202004228VA publication Critical patent/SG11202004228VA/en

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
    • G10L19/002—Dynamic bit allocation
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • 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
    • G10L19/26—Pre-filtering or post-filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
SG11202004228VA 2017-11-10 2018-11-06 Encoding and decoding audio signals SG11202004228VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17201099.3A EP3483883A1 (fr) 2017-11-10 2017-11-10 Codage et décodage de signaux audio avec postfiltrage séléctif
PCT/EP2018/080350 WO2019091980A1 (fr) 2017-11-10 2018-11-06 Codage et décodage de signaux audio

Publications (1)

Publication Number Publication Date
SG11202004228VA true SG11202004228VA (en) 2020-06-29

Family

ID=60301910

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202004228VA SG11202004228VA (en) 2017-11-10 2018-11-06 Encoding and decoding audio signals

Country Status (15)

Country Link
US (1) US11217261B2 (fr)
EP (2) EP3483883A1 (fr)
JP (1) JP7004474B2 (fr)
KR (1) KR102460233B1 (fr)
CN (1) CN111566731B (fr)
AR (1) AR113481A1 (fr)
AU (1) AU2018363701B2 (fr)
BR (1) BR112020009184A2 (fr)
CA (1) CA3082274C (fr)
MX (1) MX2020004776A (fr)
RU (1) RU2741518C1 (fr)
SG (1) SG11202004228VA (fr)
TW (1) TWI698859B (fr)
WO (1) WO2019091980A1 (fr)
ZA (1) ZA202002524B (fr)

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JP7004474B2 (ja) 2022-01-21
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MX2020004776A (es) 2020-08-13
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BR112020009184A2 (pt) 2020-11-03
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CA3082274A1 (fr) 2019-05-16
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