PL2186090T3 - Detektor stanów przejściowych i sposób wspierający kodowanie sygnału audio - Google Patents

Detektor stanów przejściowych i sposób wspierający kodowanie sygnału audio

Info

Publication number
PL2186090T3
PL2186090T3 PL08828880T PL08828880T PL2186090T3 PL 2186090 T3 PL2186090 T3 PL 2186090T3 PL 08828880 T PL08828880 T PL 08828880T PL 08828880 T PL08828880 T PL 08828880T PL 2186090 T3 PL2186090 T3 PL 2186090T3
Authority
PL
Poland
Prior art keywords
audio signal
transient detector
supporting encoding
encoding
supporting
Prior art date
Application number
PL08828880T
Other languages
English (en)
Inventor
Anisse Taleb
Gustaf Ullberg
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
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 Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of PL2186090T3 publication Critical patent/PL2186090T3/pl

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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/0212—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 orthogonal transformation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
PL08828880T 2007-08-27 2008-08-25 Detektor stanów przejściowych i sposób wspierający kodowanie sygnału audio PL2186090T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96822907P 2007-08-27 2007-08-27

Publications (1)

Publication Number Publication Date
PL2186090T3 true PL2186090T3 (pl) 2017-06-30

Family

ID=40387558

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08828880T PL2186090T3 (pl) 2007-08-27 2008-08-25 Detektor stanów przejściowych i sposób wspierający kodowanie sygnału audio

Country Status (9)

Country Link
US (4) US9495971B2 (pl)
EP (1) EP2186090B1 (pl)
JP (3) JP5209722B2 (pl)
CN (1) CN101790756B (pl)
CA (1) CA2697920C (pl)
ES (1) ES2619277T3 (pl)
PL (1) PL2186090T3 (pl)
PT (1) PT2186090T (pl)
WO (1) WO2009029033A1 (pl)

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Also Published As

Publication number Publication date
EP2186090A1 (en) 2010-05-19
JP5209722B2 (ja) 2013-06-12
US20240119951A1 (en) 2024-04-11
CN101790756B (zh) 2012-09-05
WO2009029033A1 (en) 2009-03-05
ES2619277T3 (es) 2017-06-26
CN101790756A (zh) 2010-07-28
JP2010538315A (ja) 2010-12-09
US10311883B2 (en) 2019-06-04
PT2186090T (pt) 2017-03-07
US11830506B2 (en) 2023-11-28
JP2013152470A (ja) 2013-08-08
EP2186090A4 (en) 2013-12-25
JP6117269B2 (ja) 2017-04-19
US20110046965A1 (en) 2011-02-24
US20170040024A1 (en) 2017-02-09
US20190244625A1 (en) 2019-08-08
US9495971B2 (en) 2016-11-15
JP2015163974A (ja) 2015-09-10
CA2697920A1 (en) 2009-03-05
CA2697920C (en) 2018-01-02
EP2186090B1 (en) 2016-12-21
US12217763B2 (en) 2025-02-04

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