HK1143239A1 - Adaptive transition frequency between noise fill and bandwidth extension - Google Patents

Adaptive transition frequency between noise fill and bandwidth extension

Info

Publication number
HK1143239A1
HK1143239A1 HK10109588.7A HK10109588A HK1143239A1 HK 1143239 A1 HK1143239 A1 HK 1143239A1 HK 10109588 A HK10109588 A HK 10109588A HK 1143239 A1 HK1143239 A1 HK 1143239A1
Authority
HK
Hong Kong
Prior art keywords
bandwidth extension
transition frequency
noise fill
adaptive transition
adaptive
Prior art date
Application number
HK10109588.7A
Other languages
English (en)
Inventor
Gustaf Ullberg
Manuel Briand
Anisse Taleb
Original Assignee
Ericsson Telefon Ab L M
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40387561&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1143239(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of HK1143239A1 publication Critical patent/HK1143239A1/xx

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
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • G10L19/02—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 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
    • G10L19/02—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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/02—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 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
    • G10L19/02—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
    • G10L19/035—Scalar 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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK10109588.7A 2007-08-27 2010-10-08 Adaptive transition frequency between noise fill and bandwidth extension HK1143239A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96813407P 2007-08-27 2007-08-27
PCT/SE2008/050969 WO2009029037A1 (en) 2007-08-27 2008-08-26 Adaptive transition frequency between noise fill and bandwidth extension

Publications (1)

Publication Number Publication Date
HK1143239A1 true HK1143239A1 (en) 2010-12-24

Family

ID=40387561

Family Applications (1)

Application Number Title Priority Date Filing Date
HK10109588.7A HK1143239A1 (en) 2007-08-27 2010-10-08 Adaptive transition frequency between noise fill and bandwidth extension

Country Status (12)

Country Link
US (5) US9269372B2 (es)
EP (2) EP2571024B1 (es)
JP (2) JP5183741B2 (es)
CN (1) CN101939782B (es)
BR (1) BRPI0815972B1 (es)
DK (1) DK2571024T3 (es)
ES (2) ES2403410T3 (es)
HK (1) HK1143239A1 (es)
MX (1) MX2010001394A (es)
PL (1) PL2186086T3 (es)
PT (1) PT2571024E (es)
WO (1) WO2009029037A1 (es)

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Also Published As

Publication number Publication date
CN101939782B (zh) 2012-12-05
US20210110836A1 (en) 2021-04-15
US10878829B2 (en) 2020-12-29
EP2571024A1 (en) 2013-03-20
JP2013117730A (ja) 2013-06-13
US20110264454A1 (en) 2011-10-27
EP2571024B1 (en) 2014-10-22
EP2186086B1 (en) 2013-01-23
CN101939782A (zh) 2011-01-05
BRPI0815972A2 (pt) 2015-09-29
EP2186086A1 (en) 2010-05-19
JP2010538318A (ja) 2010-12-09
BRPI0815972A8 (pt) 2017-11-14
DK2571024T3 (en) 2015-01-05
JP5183741B2 (ja) 2013-04-17
US20170301358A1 (en) 2017-10-19
US9711154B2 (en) 2017-07-18
US9269372B2 (en) 2016-02-23
US20160086614A1 (en) 2016-03-24
PL2186086T3 (pl) 2013-07-31
JP5458189B2 (ja) 2014-04-02
US10199049B2 (en) 2019-02-05
MX2010001394A (es) 2010-03-10
ES2526333T3 (es) 2015-01-09
WO2009029037A1 (en) 2009-03-05
PT2571024E (pt) 2014-12-23
EP2186086A4 (en) 2012-01-25
US20190122680A1 (en) 2019-04-25
ES2403410T3 (es) 2013-05-17
BRPI0815972B1 (pt) 2020-02-04

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