MX366279B - Adicion de ruido de confort para modelar el ruido de fondo a bajas tasas de bits. - Google Patents

Adicion de ruido de confort para modelar el ruido de fondo a bajas tasas de bits.

Info

Publication number
MX366279B
MX366279B MX2015007854A MX2015007854A MX366279B MX 366279 B MX366279 B MX 366279B MX 2015007854 A MX2015007854 A MX 2015007854A MX 2015007854 A MX2015007854 A MX 2015007854A MX 366279 B MX366279 B MX 366279B
Authority
MX
Mexico
Prior art keywords
noise
signal
rates
comfort
low bit
Prior art date
Application number
MX2015007854A
Other languages
English (en)
Other versions
MX2015007854A (es
Inventor
Guillaume Fuchs
Jérémie Lecomte
Emmanuel Ravelli
Martin Dietz
Anthony Lombard
Stefan Döhla
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2015007854A publication Critical patent/MX2015007854A/es
Publication of MX366279B publication Critical patent/MX366279B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Noise Elimination (AREA)

Abstract

La invención presenta un decodificador que está configurado para procesar un flujo de bits de audio codificado (BS), donde el decodificador (1) comprende: un decodificador de flujos de bits (2) configurado para derivar una señal de audio decodificada (DS) del flujo de bits (BS), donde la señal de audio decodificada (DS) comprende por lo menos una trama decodificada; un dispositivo de estimación de ruido (3) configurado para producir una señal de estimación de ruido (NE) que contiene una estimación del nivel y/o la forma espectral de un ruido (N) en la señal de audio decodificada (DS); un dispositivo generador de ruido de confort (4) configurado para derivar una señal de ruido de confort (CN) de la señal de estimación de ruido (NE) y un combinador (5) configurado para combinar la trama decodificada de la señal de audio decodificada (DS) y la señal de ruido de confort (CN) para obtener una señal de audio de salida (OS).
MX2015007854A 2012-12-21 2013-12-19 Adicion de ruido de confort para modelar el ruido de fondo a bajas tasas de bits. MX366279B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261740883P 2012-12-21 2012-12-21
PCT/EP2013/077527 WO2014096280A1 (en) 2012-12-21 2013-12-19 Comfort noise addition for modeling background noise at low bit-rates

Publications (2)

Publication Number Publication Date
MX2015007854A MX2015007854A (es) 2016-02-05
MX366279B true MX366279B (es) 2019-07-03

Family

ID=49883094

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015007854A MX366279B (es) 2012-12-21 2013-12-19 Adicion de ruido de confort para modelar el ruido de fondo a bajas tasas de bits.

Country Status (19)

Country Link
US (3) US10147432B2 (es)
EP (1) EP2936486B1 (es)
JP (3) JP6335190B2 (es)
KR (2) KR102167541B1 (es)
CN (2) CN111145767B (es)
AR (1) AR094279A1 (es)
AU (1) AU2013366552B2 (es)
BR (1) BR112015014217B1 (es)
CA (2) CA2895391C (es)
ES (1) ES2688021T3 (es)
MX (1) MX366279B (es)
MY (1) MY178710A (es)
PL (1) PL2936486T3 (es)
PT (1) PT2936486T (es)
RU (1) RU2633107C2 (es)
SG (1) SG11201504899XA (es)
TW (1) TWI553629B (es)
WO (1) WO2014096280A1 (es)
ZA (1) ZA201505191B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014096280A1 (en) 2012-12-21 2014-06-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Comfort noise addition for modeling background noise at low bit-rates
EP2980790A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for comfort noise generation mode selection
EP2980801A1 (en) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for estimating noise in an audio signal, noise estimator, audio encoder, audio decoder, and system for transmitting audio signals
US10958695B2 (en) * 2016-06-21 2021-03-23 Google Llc Methods, systems, and media for recommending content based on network conditions
CN108012148B (zh) * 2018-01-16 2023-12-22 吉林省广播电视研究所(吉林省新闻出版广电局科技信息中心) 广播电视音频质量实时监测并自动切换的装置及方法
EP3956886B1 (en) * 2019-04-15 2024-05-29 Dolby International AB Dialogue enhancement in audio codec
US11146607B1 (en) * 2019-05-31 2021-10-12 Dialpad, Inc. Smart noise cancellation
BR112021026678A2 (pt) * 2019-07-08 2022-02-15 Voiceage Corp Método e sistema para codificação de metadados em fluxos de áudio e para alocação eficiente de taxa de bit para codificação de fluxos de áudio
CN115867964A (zh) 2020-06-11 2023-03-28 杜比实验室特许公司 用于对多声道输入信号内的空间背景噪声进行编码和/或解码的方法和设备
GB2596138A (en) * 2020-06-19 2021-12-22 Nokia Technologies Oy Decoder spatial comfort noise generation for discontinuous transmission operation
JP7584631B2 (ja) * 2020-08-31 2024-11-15 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． ミキシングノイズ信号に依存する多チャネル信号発生器、オーディオエンコーダ、および関係する方法
CA3215225A1 (en) 2021-04-29 2022-11-03 Vladimir Malenovsky Method and device for multi-channel comfort noise injection in a decoded sound signal
US11915698B1 (en) * 2021-09-29 2024-02-27 Amazon Technologies, Inc. Sound source localization
WO2026124794A1 (en) * 2024-12-13 2026-06-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder with signal enhancement module, signal activity detector and active phase audio encoder, encoding method, computer program and bitstream
WO2026124795A1 (en) * 2024-12-13 2026-06-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio Encoder with Signal Enhancement Module, Active Phase Audio Encoder and Inactive Phase Audio Encoder, Audio Decoder with Mixer, Encoding Method, Decoding Method, Computer Program and Bitstream

Family Cites Families (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537509A (en) 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
DE69233502T2 (de) * 1991-06-11 2006-02-23 Qualcomm, Inc., San Diego Vocoder mit veränderlicher Bitrate
US5630016A (en) 1992-05-28 1997-05-13 Hughes Electronics Comfort noise generation for digital communication systems
US5657422A (en) * 1994-01-28 1997-08-12 Lucent Technologies Inc. Voice activity detection driven noise remediator
FI101439B1 (fi) 1995-04-13 1998-06-15 Nokia Telecommunications Oy Transkooderi, jossa on tandem-koodauksen esto
EP0756267A1 (en) 1995-07-24 1997-01-29 International Business Machines Corporation Method and system for silence removal in voice communication
US6167375A (en) * 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
JP3252782B2 (ja) * 1998-01-13 2002-02-04 日本電気株式会社 モデム信号対応音声符号化復号化装置
US6122611A (en) 1998-05-11 2000-09-19 Conexant Systems, Inc. Adding noise during LPC coded voice activity periods to improve the quality of coded speech coexisting with background noise
US6424938B1 (en) * 1998-11-23 2002-07-23 Telefonaktiebolaget L M Ericsson Complex signal activity detection for improved speech/noise classification of an audio signal
RU2237296C2 (ru) 1998-11-23 2004-09-27 Телефонактиеболагет Лм Эрикссон (Пабл) Кодирование речи с функцией изменения комфортного шума для повышения точности воспроизведения
US8583427B2 (en) * 1999-11-18 2013-11-12 Broadcom Corporation Voice and data exchange over a packet based network with voice detection
US20070110042A1 (en) 1999-12-09 2007-05-17 Henry Li Voice and data exchange over a packet based network
JP2001318694A (ja) * 2000-05-10 2001-11-16 Toshiba Corp 信号処理装置、信号処理方法および記録媒体
US6873604B1 (en) 2000-07-31 2005-03-29 Cisco Technology, Inc. Method and apparatus for transitioning comfort noise in an IP-based telephony system
US6615169B1 (en) 2000-10-18 2003-09-02 Nokia Corporation High frequency enhancement layer coding in wideband speech codec
US6807525B1 (en) 2000-10-31 2004-10-19 Telogy Networks, Inc. SID frame detection with human auditory perception compensation
WO2002054744A1 (en) * 2000-12-29 2002-07-11 Nokia Corporation Audio signal quality enhancement in a digital network
US20030120484A1 (en) * 2001-06-12 2003-06-26 David Wong Method and system for generating colored comfort noise in the absence of silence insertion description packets
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
CA2392640A1 (en) * 2002-07-05 2004-01-05 Voiceage Corporation A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems
JP4089347B2 (ja) * 2002-08-21 2008-05-28 沖電気工業株式会社 音声復号装置
AU2003278013A1 (en) * 2002-10-11 2004-05-04 Voiceage Corporation Methods and devices for source controlled variable bit-rate wideband speech coding
JP4311541B2 (ja) * 2003-10-06 2009-08-12 アルパイン株式会社 オーディオ信号圧縮装置
GB0326263D0 (en) * 2003-11-11 2003-12-17 Nokia Corp Speech codecs
CA2454296A1 (en) 2003-12-29 2005-06-29 Nokia Corporation Method and device for speech enhancement in the presence of background noise
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
US7649988B2 (en) 2004-06-15 2010-01-19 Acoustic Technologies, Inc. Comfort noise generator using modified Doblinger noise estimate
US7454010B1 (en) 2004-11-03 2008-11-18 Acoustic Technologies, Inc. Noise reduction and comfort noise gain control using bark band weiner filter and linear attenuation
JP4551817B2 (ja) * 2005-05-20 2010-09-29 Ｏｋｉセミコンダクタ株式会社 ノイズレベル推定方法及びその装置
WO2006136901A2 (en) 2005-06-18 2006-12-28 Nokia Corporation System and method for adaptive transmission of comfort noise parameters during discontinuous speech transmission
ATE490454T1 (de) * 2005-07-22 2010-12-15 France Telecom Verfahren zum umschalten der raten- und bandbreitenskalierbaren audiodecodierungsrate
US7610197B2 (en) * 2005-08-31 2009-10-27 Motorola, Inc. Method and apparatus for comfort noise generation in speech communication systems
US20070064681A1 (en) * 2005-09-22 2007-03-22 Motorola, Inc. Method and system for monitoring a data channel for discontinuous transmission activity
US9185487B2 (en) 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
US8744844B2 (en) * 2007-07-06 2014-06-03 Audience, Inc. System and method for adaptive intelligent noise suppression
US8032370B2 (en) * 2006-05-09 2011-10-04 Nokia Corporation Method, apparatus, system and software product for adaptation of voice activity detection parameters based on the quality of the coding modes
EP2054880B1 (en) * 2006-08-15 2011-04-20 Broadcom Corporation Time-warping of decoded audio signal after packet loss
CN101149921B (zh) * 2006-09-21 2011-08-10 展讯通信（上海）有限公司 一种静音检测方法和装置
US9966085B2 (en) * 2006-12-30 2018-05-08 Google Technology Holdings LLC Method and noise suppression circuit incorporating a plurality of noise suppression techniques
US9318117B2 (en) * 2007-03-05 2016-04-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement for controlling smoothing of stationary background noise
US8990073B2 (en) * 2007-06-22 2015-03-24 Voiceage Corporation Method and device for sound activity detection and sound signal classification
US8090588B2 (en) * 2007-08-31 2012-01-03 Nokia Corporation System and method for providing AMR-WB DTX synchronization
US8139777B2 (en) 2007-10-31 2012-03-20 Qnx Software Systems Co. System for comfort noise injection
KR101185711B1 (ko) * 2008-01-04 2012-09-24 인터디지탈 패튼 홀딩스, 인크 이볼브드 무선 시스템에서의 회선 교환 음성 애플리케이션의 데이터 레이트를 제어하는 방법
US8560307B2 (en) * 2008-01-28 2013-10-15 Qualcomm Incorporated Systems, methods, and apparatus for context suppression using receivers
DE102008009719A1 (de) 2008-02-19 2009-08-20 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren und Mittel zur Enkodierung von Hintergrundrauschinformationen
US20090222268A1 (en) 2008-03-03 2009-09-03 Qnx Software Systems (Wavemakers), Inc. Speech synthesis system having artificial excitation signal
CN101483495B (zh) * 2008-03-20 2012-02-15 华为技术有限公司 一种背景噪声生成方法以及噪声处理装置
CN101335000B (zh) 2008-03-26 2010-04-21 华为技术有限公司 编码的方法及装置
WO2009135532A1 (en) * 2008-05-09 2009-11-12 Nokia Corporation An apparatus
EP2144230A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
EP2311033B1 (en) * 2008-07-11 2011-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Providing a time warp activation signal and encoding an audio signal therewith
TWI520128B (zh) 2008-10-08 2016-02-01 弗勞恩霍夫爾協會 多解析度切換音訊編碼／解碼方案（一）
WO2010148516A1 (en) 2009-06-23 2010-12-29 Voiceage Corporation Forward time-domain aliasing cancellation with application in weighted or original signal domain
MY163358A (en) * 2009-10-08 2017-09-15 Fraunhofer-Gesellschaft Zur Förderung Der Angenwandten Forschung E V Multi-mode audio signal decoder,multi-mode audio signal encoder,methods and computer program using a linear-prediction-coding based noise shaping
US9401160B2 (en) * 2009-10-19 2016-07-26 Telefonaktiebolaget Lm Ericsson (Publ) Methods and voice activity detectors for speech encoders
WO2011049514A1 (en) * 2009-10-19 2011-04-28 Telefonaktiebolaget Lm Ericsson (Publ) Method and background estimator for voice activity detection
EP4362014B1 (en) * 2009-10-20 2025-04-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, corresponding method and computer program
CN102063905A (zh) * 2009-11-13 2011-05-18 数维科技（北京）有限公司 一种用于音频解码的盲噪声填充方法及其装置
US20110234200A1 (en) * 2010-03-24 2011-09-29 Kishan Shenoi Adaptive slip double buffer
ES2693229T3 (es) * 2010-10-25 2018-12-10 Voiceage Corporation Codificación de señales de audio genérico a bajas tasas de bits y bajo retardo
EP2619753B1 (en) * 2010-12-24 2014-05-21 Huawei Technologies Co., Ltd. Method and apparatus for adaptively detecting voice activity in input audio signal
CN102136271B (zh) * 2011-02-09 2012-07-04 华为技术有限公司 舒适噪声生成器、方法及回声抵消装置
MY167776A (en) * 2011-02-14 2018-09-24 Fraunhofer Ges Forschung Noise generation in audio codecs
US20120237048A1 (en) * 2011-03-14 2012-09-20 Continental Automotive Systems, Inc. Apparatus and method for echo suppression
EP2709103B1 (en) * 2011-06-09 2015-10-07 Panasonic Intellectual Property Corporation of America Voice coding device, voice decoding device, voice coding method and voice decoding method
RU2609133C2 (ru) * 2012-08-31 2017-01-30 Телефонактиеболагет Л М Эрикссон (Пабл) Способ и устройство для обнаружения голосовой активности
SG11201504810YA (en) * 2012-12-21 2015-07-30 Fraunhofer Ges Forschung Generation of a comfort noise with high spectro-temporal resolution in discontinuous transmission of audio signals
WO2014096280A1 (en) 2012-12-21 2014-06-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Comfort noise addition for modeling background noise at low bit-rates
US9106196B2 (en) * 2013-06-20 2015-08-11 2236008 Ontario Inc. Sound field spatial stabilizer with echo spectral coherence compensation

Also Published As

Publication number Publication date
ZA201505191B (en) 2016-07-27
US10789963B2 (en) 2020-09-29
AU2013366552A1 (en) 2015-07-16
US20150364144A1 (en) 2015-12-17
EP2936486A1 (en) 2015-10-28
PL2936486T3 (pl) 2018-12-31
CA2895391C (en) 2019-08-06
JP6335190B2 (ja) 2018-05-30
JP2021092816A (ja) 2021-06-17
WO2014096280A1 (en) 2014-06-26
ES2688021T3 (es) 2018-10-30
US20180342253A1 (en) 2018-11-29
RU2633107C2 (ru) 2017-10-11
US10339941B2 (en) 2019-07-02
MX2015007854A (es) 2016-02-05
CA2895391A1 (en) 2014-06-26
JP2016500453A (ja) 2016-01-12
CN105210148A (zh) 2015-12-30
KR101692659B1 (ko) 2017-01-03
TW201432671A (zh) 2014-08-16
CA2948015C (en) 2018-03-20
KR20170001751A (ko) 2017-01-04
JP6849619B2 (ja) 2021-03-24
PT2936486T (pt) 2018-10-19
BR112015014217A2 (pt) 2018-06-26
HK1217244A1 (en) 2016-12-30
JP2018084834A (ja) 2018-05-31
CN111145767A (zh) 2020-05-12
KR20150107751A (ko) 2015-09-23
CN111145767B (zh) 2023-07-25
CN105210148B (zh) 2020-06-30
AR094279A1 (es) 2015-07-22
US20200013417A1 (en) 2020-01-09
BR112015014217B1 (pt) 2021-11-03
CA2948015A1 (en) 2014-06-26
US10147432B2 (en) 2018-12-04
RU2015129782A (ru) 2017-01-27
TWI553629B (zh) 2016-10-11
EP2936486B1 (en) 2018-07-18
MY178710A (en) 2020-10-20
SG11201504899XA (en) 2015-07-30
JP7297803B2 (ja) 2023-06-26
AU2013366552B2 (en) 2017-03-02
KR102167541B1 (ko) 2020-10-19

Similar Documents

Publication Publication Date Title
MX2015007854A (es) Adicion de ruido de confort para modelar el ruido de fondo a bajas tasas de bits.
MY171106A (en) Generation of a comfort noise with high spectro-temporal resolution in discontinuous transmission of audio signals
MX351363B (es) Aparato y metodo para generar una forma espectral adaptativa de ruido de confort.
MX2016005542A (es) Decodificador de audio y metodo para proveer una informacion de audio decodificada usando un ocultamiento de error que modifica una señal de excitacion de dominio de tiempo.
MX358483B (es) Concepto para la comprensión combinada del rango dinámico y prevención guiada de recortes para dispositivos de audio.
MX356334B (es) Decodificador de audio y método para proveer una información de audio decodificada usando un ocultamiento de error sobre la base de una señal de excitación de dominio de tiempo.
PH12014502873A1 (en) Method and apparatus for entropy coding video and method and apparatus for entropy decoding video
EP4485458A3 (en) Noise signal processing method, noise signal generation method, encoder, decoder, and encoding and decoding system
MY164748A (en) Coding Generic Audio Signals at Low Bitrates and Low Delay
SG194706A1 (en) Apparatus and method for audio encoding and decoding employing sinusoidalsubstitution
MY179139A (en) Noise filling in multichannel audio coding
GB2516179A (en) Automatic realtime speech impairment correction
TR201906465T4 (tr) Bir spektral çıkarıcıyı çalıştıran frekans-bölgesi işlemeyi kullanan bir stereo kaydını ayrıştırmak için yöntem ve cihaz
PH12018501871A1 (en) Signal encoding method and device
MY180290A (en) Decoding method and decoding apparatus
MY169410A (en) Audio decoder having a bandwidth extension module with an energy adjusting module
EP4350694A3 (en) Method for processing lost frame, and decoder
TH100232B (th) การเพิ่มสัญญาณรบกวนคอมฟอร์ทสำหรับการกำหนดแบบจำลองของสัญญาณ รบกวนพื้นหลังที่อัตราบิตต่ำ
MX353188B (es) Aparato y método para codificación, procesamiento y decodificación de la envolvente de la señal de audio mediante división de la envolvente de la señal de audio, mediante el uso de cuantificación de distribución y codificación.
TH170651A (th) การเพิ่มสัญญาณรบกวนคอมฟอร์ทสำหรับการกำหนดแบบจำลองของสัญญาณ รบกวนพื้นหลังที่อัตราบิตต่ำ
MY178524A (en) Signal encoding method and device

Legal Events

Date Code Title Description
FG Grant or registration