PT2571024E - Frequência de transição adaptativa entre preenchimento de ruído e extensão da largura de banda - Google Patents

Frequência de transição adaptativa entre preenchimento de ruído e extensão da largura de banda Download PDF

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Publication number
PT2571024E
PT2571024E PT121969133T PT12196913T PT2571024E PT 2571024 E PT2571024 E PT 2571024E PT 121969133 T PT121969133 T PT 121969133T PT 12196913 T PT12196913 T PT 12196913T PT 2571024 E PT2571024 E PT 2571024E
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Portugal
Prior art keywords
bandwidth extension
transition frequency
noise fill
adaptive transition
adaptive
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Application number
PT121969133T
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English (en)
Inventor
Anisse Taleb
Manuel Briand
Original Assignee
Ericsson Telefon Ab L M
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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=PT2571024(E) "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 PT2571024E publication Critical patent/PT2571024E/pt

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    • 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
PT121969133T 2007-08-27 2008-08-26 Frequência de transição adaptativa entre preenchimento de ruído e extensão da largura de banda PT2571024E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96813407P 2007-08-27 2007-08-27

Publications (1)

Publication Number Publication Date
PT2571024E true PT2571024E (pt) 2014-12-23

Family

ID=40387561

Family Applications (1)

Application Number Title Priority Date Filing Date
PT121969133T PT2571024E (pt) 2007-08-27 2008-08-26 Frequência de transição adaptativa entre preenchimento de ruído e extensão da largura de banda

Country Status (12)

Country Link
US (5) US9269372B2 (pt)
EP (2) EP2186086B1 (pt)
JP (2) JP5183741B2 (pt)
CN (1) CN101939782B (pt)
BR (1) BRPI0815972B1 (pt)
DK (1) DK2571024T3 (pt)
ES (2) ES2403410T3 (pt)
HK (1) HK1143239A1 (pt)
MX (1) MX2010001394A (pt)
PL (1) PL2186086T3 (pt)
PT (1) PT2571024E (pt)
WO (1) WO2009029037A1 (pt)

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Also Published As

Publication number Publication date
EP2186086A4 (en) 2012-01-25
WO2009029037A1 (en) 2009-03-05
MX2010001394A (es) 2010-03-10
ES2403410T3 (es) 2013-05-17
US20170301358A1 (en) 2017-10-19
US9711154B2 (en) 2017-07-18
JP5458189B2 (ja) 2014-04-02
HK1143239A1 (en) 2010-12-24
US20190122680A1 (en) 2019-04-25
JP2013117730A (ja) 2013-06-13
PL2186086T3 (pl) 2013-07-31
JP2010538318A (ja) 2010-12-09
US20110264454A1 (en) 2011-10-27
US10878829B2 (en) 2020-12-29
EP2571024A1 (en) 2013-03-20
CN101939782A (zh) 2011-01-05
US20160086614A1 (en) 2016-03-24
BRPI0815972A8 (pt) 2017-11-14
EP2186086B1 (en) 2013-01-23
ES2526333T3 (es) 2015-01-09
CN101939782B (zh) 2012-12-05
DK2571024T3 (en) 2015-01-05
BRPI0815972A2 (pt) 2015-09-29
EP2186086A1 (en) 2010-05-19
US9269372B2 (en) 2016-02-23
JP5183741B2 (ja) 2013-04-17
BRPI0815972B1 (pt) 2020-02-04
US20210110836A1 (en) 2021-04-15
US10199049B2 (en) 2019-02-05
EP2571024B1 (en) 2014-10-22

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