AP2015008251A0 - Generation of comfort noise - Google Patents

Generation of comfort noise

Info

Publication number
AP2015008251A0
AP2015008251A0 AP2015008251A AP2015008251A AP2015008251A0 AP 2015008251 A0 AP2015008251 A0 AP 2015008251A0 AP 2015008251 A AP2015008251 A AP 2015008251A AP 2015008251 A AP2015008251 A AP 2015008251A AP 2015008251 A0 AP2015008251 A0 AP 2015008251A0
Authority
AP
ARIPO
Prior art keywords
generation
comfort noise
comfort
noise
Prior art date
Application number
AP2015008251A
Other languages
English (en)
Inventor
Toftgard Tomas Jansson
Original Assignee
Telefonaktiebogalet 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 Telefonaktiebogalet Lm Ericsson Publ filed Critical Telefonaktiebogalet Lm Ericsson Publ
Publication of AP2015008251A0 publication Critical patent/AP2015008251A0/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/012Comfort noise or silence coding
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07Line spectrum pair [LSP] vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Noise Elimination (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • User Interface Of Digital Computer (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
AP2015008251A 2012-09-11 2013-05-07 Generation of comfort noise AP2015008251A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261699448P 2012-09-11 2012-09-11
PCT/EP2013/059514 WO2014040763A1 (en) 2012-09-11 2013-05-07 Generation of comfort noise

Publications (1)

Publication Number Publication Date
AP2015008251A0 true AP2015008251A0 (en) 2015-02-28

Family

ID=48289221

Family Applications (1)

Application Number Title Priority Date Filing Date
AP2015008251A AP2015008251A0 (en) 2012-09-11 2013-05-07 Generation of comfort noise

Country Status (24)

Country Link
US (5) US9443526B2 (ru)
EP (2) EP2927905B1 (ru)
JP (1) JP5793636B2 (ru)
KR (1) KR101648290B1 (ru)
CN (1) CN104584120B (ru)
AP (1) AP2015008251A0 (ru)
AU (1) AU2013314636B2 (ru)
BR (1) BR112015002826B1 (ru)
CA (1) CA2884471C (ru)
CL (1) CL2015000540A1 (ru)
DK (1) DK2823479T3 (ru)
ES (2) ES2547457T3 (ru)
HK (1) HK1206861A1 (ru)
HU (1) HUE027963T2 (ru)
IN (1) IN2014DN08789A (ru)
MA (1) MA37890B1 (ru)
MX (1) MX340634B (ru)
MY (1) MY185490A (ru)
PH (1) PH12014502232B1 (ru)
PL (2) PL2927905T3 (ru)
PT (1) PT2823479E (ru)
RU (2) RU2658544C1 (ru)
SG (1) SG11201500595TA (ru)
WO (1) WO2014040763A1 (ru)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9443526B2 (en) * 2012-09-11 2016-09-13 Telefonaktiebolaget Lm Ericsson (Publ) Generation of comfort noise
PL3550562T3 (pl) * 2013-02-22 2021-05-31 Telefonaktiebolaget Lm Ericsson (Publ) Sposoby i urządzenia dla zawieszenia DTX w kodowaniu audio
CN105225668B (zh) 2013-05-30 2017-05-10 华为技术有限公司 信号编码方法及设备
US9775110B2 (en) * 2014-05-30 2017-09-26 Apple Inc. Power save for volte during silence periods
PL3309784T3 (pl) 2014-07-29 2020-02-28 Telefonaktiebolaget Lm Ericsson (Publ) Szacowanie szumu tła w sygnałach audio
GB2532041B (en) * 2014-11-06 2019-05-29 Imagination Tech Ltd Comfort noise generation
BR112020026793A2 (pt) * 2018-06-28 2021-03-30 Telefonaktiebolaget Lm Ericsson (Publ) Determinação de parâmetro de ruído de conforto adaptativo
US10805191B2 (en) 2018-12-14 2020-10-13 At&T Intellectual Property I, L.P. Systems and methods for analyzing performance silence packets
JP2023536156A (ja) * 2020-07-30 2023-08-23 フラウンホーファー-ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン オーディオ信号を符号化する、又は符号化オーディオシーンを復号化する装置、方法及びコンピュータープログラム
WO2024056701A1 (en) * 2022-09-13 2024-03-21 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive stereo parameter synthesis

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5630016A (en) 1992-05-28 1997-05-13 Hughes Electronics Comfort noise generation for digital communication systems
US5794199A (en) * 1996-01-29 1998-08-11 Texas Instruments Incorporated Method and system for improved discontinuous speech transmission
US6269331B1 (en) * 1996-11-14 2001-07-31 Nokia Mobile Phones Limited Transmission of comfort noise parameters during discontinuous transmission
US5960389A (en) 1996-11-15 1999-09-28 Nokia Mobile Phones Limited Methods for generating comfort noise during discontinuous transmission
EP1143229A1 (en) 1998-12-07 2001-10-10 Mitsubishi Denki Kabushiki Kaisha Sound decoding device and sound decoding method
GB2356538A (en) * 1999-11-22 2001-05-23 Mitel Corp Comfort noise generation for open discontinuous transmission systems
US7610197B2 (en) * 2005-08-31 2009-10-27 Motorola, Inc. Method and apparatus for comfort noise generation in speech communication systems
WO2008121035A1 (en) * 2007-03-29 2008-10-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and speech encoder with length adjustment of dtx hangover period
CN101335000B (zh) * 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
SG192721A1 (en) * 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
LT2676271T (lt) * 2011-02-15 2020-12-10 Voiceage Evs Llc Prietaisas ir metodas adaptacinio fiksuoto sužadinimo prieaugio kiekiui įvertinti mobiliojo celp kodeke
US9443526B2 (en) * 2012-09-11 2016-09-13 Telefonaktiebolaget Lm Ericsson (Publ) Generation of comfort noise

Also Published As

Publication number Publication date
BR112015002826A2 (pt) 2018-05-22
PH12014502232A1 (en) 2014-12-15
MY185490A (en) 2021-05-19
EP2927905A1 (en) 2015-10-07
US11621004B2 (en) 2023-04-04
EP2823479A1 (en) 2015-01-14
EP2823479B1 (en) 2015-07-08
US10891964B2 (en) 2021-01-12
PH12014502232B1 (en) 2014-12-15
RU2658544C1 (ru) 2018-06-22
CL2015000540A1 (es) 2015-07-31
WO2014040763A1 (en) 2014-03-20
US9443526B2 (en) 2016-09-13
AU2013314636B2 (en) 2016-02-25
US20160293170A1 (en) 2016-10-06
MA37890A1 (fr) 2016-12-30
US20170352354A1 (en) 2017-12-07
ES2642574T3 (es) 2017-11-16
ES2547457T3 (es) 2015-10-06
KR101648290B1 (ko) 2016-08-12
PL2823479T3 (pl) 2015-10-30
PT2823479E (pt) 2015-10-08
US20210166704A1 (en) 2021-06-03
MA37890B1 (fr) 2017-11-30
MX340634B (es) 2016-07-19
US20190318752A1 (en) 2019-10-17
AU2013314636A1 (en) 2015-03-19
CN104584120A (zh) 2015-04-29
HK1206861A1 (zh) 2016-01-15
BR112015002826B1 (pt) 2021-05-04
JP5793636B2 (ja) 2015-10-14
EP2927905B1 (en) 2017-07-12
KR20150054716A (ko) 2015-05-20
JP2015525896A (ja) 2015-09-07
CN104584120B (zh) 2016-08-31
CA2884471C (en) 2016-12-20
HUE027963T2 (en) 2016-11-28
MX2015003060A (es) 2015-07-14
PL2927905T3 (pl) 2017-12-29
US20150235648A1 (en) 2015-08-20
IN2014DN08789A (ru) 2015-05-22
RU2014150326A (ru) 2016-07-10
SG11201500595TA (en) 2015-04-29
CA2884471A1 (en) 2014-03-20
RU2609080C2 (ru) 2017-01-30
DK2823479T3 (en) 2015-10-12
US9779741B2 (en) 2017-10-03
US10381014B2 (en) 2019-08-13

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