MX367544B - Generación de ruido de confort. - Google Patents

Generación de ruido de confort.

Info

Publication number
MX367544B
MX367544B MX2017016769A MX2017016769A MX367544B MX 367544 B MX367544 B MX 367544B MX 2017016769 A MX2017016769 A MX 2017016769A MX 2017016769 A MX2017016769 A MX 2017016769A MX 367544 B MX367544 B MX 367544B
Authority
MX
Mexico
Prior art keywords
comfort noise
noise generation
generation
exploiting
apparatuses
Prior art date
Application number
MX2017016769A
Other languages
English (en)
Inventor
Eriksson Anders
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 MX367544B publication Critical patent/MX367544B/es

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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/03—Spectral prediction for preventing pre-echo; Temporary noise shaping [TNS], e.g. in MPEG2 or MPEG4
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Noise Elimination (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

Se describen aparatos, arreglos y métodos de los mismos para la generación de ruido de confort. En corto, la solución se relaciona con la explotación de la coherencia espacial de múltiples canales de entrada de audio con el fin de generar ruido de confort multicanal de alta calidad.
MX2017016769A 2014-02-14 2014-02-14 Generación de ruido de confort. MX367544B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2014/050179 WO2015122809A1 (en) 2014-02-14 2014-02-14 Comfort noise generation

Publications (1)

Publication Number Publication Date
MX367544B true MX367544B (es) 2019-08-27

Family

ID=50193566

Family Applications (2)

Application Number Title Priority Date Filing Date
MX2017016769A MX367544B (es) 2014-02-14 2014-02-14 Generación de ruido de confort.
MX2016010339A MX353120B (es) 2014-02-14 2014-02-14 Generación de ruido de confort.

Family Applications After (1)

Application Number Title Priority Date Filing Date
MX2016010339A MX353120B (es) 2014-02-14 2014-02-14 Generación de ruido de confort.

Country Status (6)

Country Link
US (4) US10861470B2 (es)
EP (2) EP3105755B1 (es)
BR (1) BR112016018510B1 (es)
ES (1) ES2687617T3 (es)
MX (2) MX367544B (es)
WO (1) WO2015122809A1 (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX367544B (es) * 2014-02-14 2019-08-27 Ericsson Telefon Ab L M Generación de ruido de confort.
US10594869B2 (en) 2017-08-03 2020-03-17 Bose Corporation Mitigating impact of double talk for residual echo suppressors
US10542153B2 (en) * 2017-08-03 2020-01-21 Bose Corporation Multi-channel residual echo suppression
EP3692704B1 (en) 2017-10-03 2023-09-06 Bose Corporation Spatial double-talk detector
EP4636757A3 (en) * 2018-04-05 2025-12-31 Telefonaktiebolaget LM Ericsson (publ) SUPPORT FOR GENERATION OF COMFORT NOISE, AND GENERATION OF COMFORT NOISE
ES2956797T3 (es) 2018-06-28 2023-12-28 Ericsson Telefon Ab L M Determinación de parámetros de ruido de confort adaptable
US10964305B2 (en) 2019-05-20 2021-03-30 Bose Corporation Mitigating impact of double talk for residual echo suppressors
HUE071538T2 (hu) 2020-06-11 2025-09-28 Dolby Laboratories Licensing Corp Eljárások és eszközök térbeli háttérzaj kódolására és dekódolására egy többcsatornás bemeneti jelben
GB2596138A (en) 2020-06-19 2021-12-22 Nokia Technologies Oy Decoder spatial comfort noise generation for discontinuous transmission operation
CN117727310A (zh) 2020-07-07 2024-03-19 瑞典爱立信有限公司 多模式空间音频编码的舒适噪声生成
BR112023003557A2 (pt) * 2020-08-31 2023-04-04 Fraunhofer Ges Forschung Gerador de sinal multicanal, método para gerar um sinal multicanal, codificador de áudio, método de codificação de áudio e sinal de áudio multicanal
CA3215225A1 (en) * 2021-04-29 2022-11-03 Vladimir Malenovsky Method and device for multi-channel comfort noise injection in a decoded sound signal
EP4599439A1 (en) 2022-10-05 2025-08-13 Telefonaktiebolaget LM Ericsson (publ) Coherence calculation for stereo discontinuous transmission (dtx)
GB2626335A (en) * 2023-01-18 2024-07-24 Nokia Technologies Oy Acoustic echo cancellation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577862B1 (en) * 1999-12-23 2003-06-10 Ericsson Inc. System and method for providing comfort noise in a mobile communication network
US7698008B2 (en) * 2005-09-08 2010-04-13 Apple Inc. Content-based audio comparisons
US20080004870A1 (en) 2006-06-30 2008-01-03 Chi-Min Liu Method of detecting for activating a temporal noise shaping process in coding audio signals
CN101501761B (zh) 2006-08-15 2012-02-08 杜比实验室特许公司 无需边信息对时域噪声包络的任意整形
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
FR2950461B1 (fr) * 2009-09-22 2011-10-21 Parrot Procede de filtrage optimise des bruits non stationnaires captes par un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile
US9082391B2 (en) * 2010-04-12 2015-07-14 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for noise cancellation in a speech encoder
US8589153B2 (en) 2011-06-28 2013-11-19 Microsoft Corporation Adaptive conference comfort noise
CN104050969A (zh) * 2013-03-14 2014-09-17 杜比实验室特许公司 空间舒适噪声
EP3005344A4 (en) * 2013-05-31 2017-02-22 Nokia Technologies OY An audio scene apparatus
MX367544B (es) * 2014-02-14 2019-08-27 Ericsson Telefon Ab L M Generación de ruido de confort.

Also Published As

Publication number Publication date
WO2015122809A1 (en) 2015-08-20
US20170047072A1 (en) 2017-02-16
US20220351738A1 (en) 2022-11-03
MX2016010339A (es) 2016-11-11
US20210166703A1 (en) 2021-06-03
US11817109B2 (en) 2023-11-14
EP3244404B1 (en) 2018-06-20
MX353120B (es) 2017-12-20
EP3105755A1 (en) 2016-12-21
US10861470B2 (en) 2020-12-08
BR112016018510A2 (es) 2017-08-08
US11423915B2 (en) 2022-08-23
US20240185866A1 (en) 2024-06-06
BR112016018510B1 (pt) 2022-05-31
EP3105755B1 (en) 2017-07-26
EP3244404A1 (en) 2017-11-15
ES2687617T3 (es) 2018-10-26

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