PL2823479T3 - Generowanie szumu komfortowego - Google Patents

Generowanie szumu komfortowego

Info

Publication number
PL2823479T3
PL2823479T3 PL13720430T PL13720430T PL2823479T3 PL 2823479 T3 PL2823479 T3 PL 2823479T3 PL 13720430 T PL13720430 T PL 13720430T PL 13720430 T PL13720430 T PL 13720430T PL 2823479 T3 PL2823479 T3 PL 2823479T3
Authority
PL
Poland
Prior art keywords
generation
comfort noise
comfort
noise
Prior art date
Application number
PL13720430T
Other languages
English (en)
Inventor
Toftgård Tomas Jansson
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
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of PL2823479T3 publication Critical patent/PL2823479T3/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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/04—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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • 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
    • G10L19/04—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 TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection 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)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • User Interface Of Digital Computer (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL13720430T 2012-09-11 2013-05-07 Generowanie szumu komfortowego PL2823479T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261699448P 2012-09-11 2012-09-11
EP13720430.1A EP2823479B1 (en) 2012-09-11 2013-05-07 Generation of comfort noise
PCT/EP2013/059514 WO2014040763A1 (en) 2012-09-11 2013-05-07 Generation of comfort noise

Publications (1)

Publication Number Publication Date
PL2823479T3 true PL2823479T3 (pl) 2015-10-30

Family

ID=48289221

Family Applications (2)

Application Number Title Priority Date Filing Date
PL15168231T PL2927905T3 (pl) 2012-09-11 2013-05-07 Generowanie szumu komfortowego
PL13720430T PL2823479T3 (pl) 2012-09-11 2013-05-07 Generowanie szumu komfortowego

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL15168231T PL2927905T3 (pl) 2012-09-11 2013-05-07 Generowanie szumu komfortowego

Country Status (23)

Country Link
US (5) US9443526B2 (pl)
EP (2) EP2927905B1 (pl)
JP (1) JP5793636B2 (pl)
KR (1) KR101648290B1 (pl)
CN (1) CN104584120B (pl)
AP (1) AP2015008251A0 (pl)
AU (1) AU2013314636B2 (pl)
BR (1) BR112015002826B1 (pl)
CA (1) CA2884471C (pl)
CL (1) CL2015000540A1 (pl)
DK (1) DK2823479T3 (pl)
ES (2) ES2547457T3 (pl)
HU (1) HUE027963T2 (pl)
IN (1) IN2014DN08789A (pl)
MA (1) MA37890B1 (pl)
MX (1) MX340634B (pl)
MY (1) MY185490A (pl)
PH (1) PH12014502232A1 (pl)
PL (2) PL2927905T3 (pl)
PT (1) PT2823479E (pl)
RU (2) RU2658544C1 (pl)
SG (1) SG11201500595TA (pl)
WO (1) WO2014040763A1 (pl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2927905T3 (pl) * 2012-09-11 2017-12-29 Telefonaktiebolaget Lm Ericsson (Publ) Generowanie szumu komfortowego
US10319386B2 (en) * 2013-02-22 2019-06-11 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatuses for DTX hangover in audio coding
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
KR101895391B1 (ko) 2014-07-29 2018-09-07 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) 오디오 신호의 배경 잡음 추정
GB2532041B (en) * 2014-11-06 2019-05-29 Imagination Tech Ltd Comfort noise generation
EP4270390B1 (en) * 2018-06-28 2025-10-22 Telefonaktiebolaget LM Ericsson (publ) Adaptive comfort noise parameter determination
US10805191B2 (en) 2018-12-14 2020-10-13 At&T Intellectual Property I, L.P. Systems and methods for analyzing performance silence packets
KR20230023725A (ko) 2020-06-11 2023-02-17 돌비 레버러토리즈 라이쎈싱 코오포레이션 다중-채널 입력 신호 내의 공간 배경 잡음을 인코딩 및/또는 디코딩하기 위한 방법 및 디바이스
CN116348951A (zh) 2020-07-30 2023-06-27 弗劳恩霍夫应用研究促进协会 用于编码音频信号或用于解码经编码音频场景的设备、方法及计算机程序
CN119895493A (zh) * 2022-09-13 2025-04-25 瑞典爱立信有限公司 自适应声道间时间差估计

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
CN1149534C (zh) 1998-12-07 2004-05-12 三菱电机株式会社 声音解码装置和声音解码方法
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
JP6110314B2 (ja) * 2011-02-14 2017-04-05 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 整列したルックアヘッド部分を用いてオーディオ信号を符号化及び復号するための装置並びに方法
KR101999563B1 (ko) * 2011-02-15 2019-07-15 보이세지 코포레이션 켈프 코덱에 있어서 여기의 적응 및 고정 기여의 이득을 양자화 하기 위한 장치 및 방법
PL2927905T3 (pl) * 2012-09-11 2017-12-29 Telefonaktiebolaget Lm Ericsson (Publ) Generowanie szumu komfortowego

Also Published As

Publication number Publication date
AP2015008251A0 (en) 2015-02-28
CN104584120A (zh) 2015-04-29
EP2823479A1 (en) 2015-01-14
US20160293170A1 (en) 2016-10-06
WO2014040763A1 (en) 2014-03-20
JP2015525896A (ja) 2015-09-07
US20170352354A1 (en) 2017-12-07
US20150235648A1 (en) 2015-08-20
US10891964B2 (en) 2021-01-12
EP2927905A1 (en) 2015-10-07
PH12014502232B1 (en) 2014-12-15
RU2658544C1 (ru) 2018-06-22
MX340634B (es) 2016-07-19
SG11201500595TA (en) 2015-04-29
US20190318752A1 (en) 2019-10-17
MA37890A1 (fr) 2016-12-30
US9443526B2 (en) 2016-09-13
MX2015003060A (es) 2015-07-14
KR101648290B1 (ko) 2016-08-12
EP2823479B1 (en) 2015-07-08
US11621004B2 (en) 2023-04-04
ES2642574T3 (es) 2017-11-16
CA2884471A1 (en) 2014-03-20
US20210166704A1 (en) 2021-06-03
RU2014150326A (ru) 2016-07-10
HUE027963T2 (en) 2016-11-28
PH12014502232A1 (en) 2014-12-15
KR20150054716A (ko) 2015-05-20
BR112015002826A2 (pt) 2018-05-22
CL2015000540A1 (es) 2015-07-31
ES2547457T3 (es) 2015-10-06
HK1206861A1 (zh) 2016-01-15
CN104584120B (zh) 2016-08-31
BR112015002826B1 (pt) 2021-05-04
AU2013314636A1 (en) 2015-03-19
US10381014B2 (en) 2019-08-13
CA2884471C (en) 2016-12-20
MY185490A (en) 2021-05-19
DK2823479T3 (en) 2015-10-12
EP2927905B1 (en) 2017-07-12
AU2013314636B2 (en) 2016-02-25
MA37890B1 (fr) 2017-11-30
PT2823479E (pt) 2015-10-08
IN2014DN08789A (pl) 2015-05-22
US9779741B2 (en) 2017-10-03
JP5793636B2 (ja) 2015-10-14
RU2609080C2 (ru) 2017-01-30
PL2927905T3 (pl) 2017-12-29

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