IN2014CN01270A - - Google Patents

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Publication number
IN2014CN01270A
IN2014CN01270A IN1270CHN2014A IN2014CN01270A IN 2014CN01270 A IN2014CN01270 A IN 2014CN01270A IN 1270CHN2014 A IN1270CHN2014 A IN 1270CHN2014A IN 2014CN01270 A IN2014CN01270 A IN 2014CN01270A
Authority
IN
India
Prior art keywords
signal
power
mid
quality
ratio
Prior art date
Application number
Other languages
English (en)
Inventor
Jonas Engdegard
Heiko Purnhagen
Leif Sehlstrom
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of IN2014CN01270A publication Critical patent/IN2014CN01270A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • 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
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
    • H04B1/1669—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal
    • H04B1/1676—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal of the sum or difference signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Noise Elimination (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
IN1270CHN2014 2011-09-29 2012-10-01 IN2014CN01270A (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161540876P 2011-09-29 2011-09-29
PCT/EP2012/069330 WO2013045693A2 (en) 2011-09-29 2012-10-01 High quality detection in fm stereo radio signals

Publications (1)

Publication Number Publication Date
IN2014CN01270A true IN2014CN01270A (enExample) 2015-06-19

Family

ID=47018980

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1270CHN2014 IN2014CN01270A (enExample) 2011-09-29 2012-10-01

Country Status (9)

Country Link
US (1) US9319159B2 (enExample)
EP (1) EP2761618B1 (enExample)
JP (1) JP5809754B2 (enExample)
KR (1) KR101585852B1 (enExample)
CN (1) CN103918030B (enExample)
BR (1) BR112014007481A2 (enExample)
IN (1) IN2014CN01270A (enExample)
RU (1) RU2584009C2 (enExample)
WO (1) WO2013045693A2 (enExample)

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JP5754899B2 (ja) 2009-10-07 2015-07-29 ソニー株式会社 復号装置および方法、並びにプログラム
JP5609737B2 (ja) 2010-04-13 2014-10-22 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
JP6075743B2 (ja) * 2010-08-03 2017-02-08 ソニー株式会社 信号処理装置および方法、並びにプログラム
WO2012025431A2 (en) * 2010-08-24 2012-03-01 Dolby International Ab Concealment of intermittent mono reception of fm stereo radio receivers
TWI516138B (zh) * 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
JP5707842B2 (ja) 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
US9396732B2 (en) 2012-10-18 2016-07-19 Google Inc. Hierarchical deccorelation of multichannel audio
EP2830059A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise filling energy adjustment
US9875746B2 (en) 2013-09-19 2018-01-23 Sony Corporation Encoding device and method, decoding device and method, and program
BR112016014476B1 (pt) 2013-12-27 2021-11-23 Sony Corporation Aparelho e método de decodificação, e, meio de armazenamento legível por computador
EP2922058A1 (en) * 2014-03-20 2015-09-23 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Method of and apparatus for evaluating quality of a degraded speech signal
US9830927B2 (en) * 2014-12-16 2017-11-28 Psyx Research, Inc. System and method for decorrelating audio data
GB2551347B (en) * 2016-06-13 2020-04-15 Toshiba Kk Indoor localisation using received signal quality weights
US10580420B2 (en) * 2017-10-05 2020-03-03 Qualcomm Incorporated Encoding or decoding of audio signals
CN110556117B (zh) 2018-05-31 2022-04-22 华为技术有限公司 立体声信号的编码方法和装置
CN110556119B (zh) * 2018-05-31 2022-02-18 华为技术有限公司 一种下混信号的计算方法及装置
CN110556116B (zh) 2018-05-31 2021-10-22 华为技术有限公司 计算下混信号和残差信号的方法和装置
CN109215673B (zh) * 2018-08-06 2020-12-04 杭州摸象大数据科技有限公司 一种VoIP电话网络RTP语音流降噪方法
CN113841197B (zh) * 2019-03-14 2022-12-27 博姆云360公司 具有优先级的空间感知多频带压缩系统
CN111697982B (zh) * 2019-03-15 2022-03-22 安克创新科技股份有限公司 一种自适应噪声处理方法、装置、系统及存储介质
CN110033784B (zh) * 2019-04-10 2020-12-25 北京达佳互联信息技术有限公司 一种音频质量的检测方法、装置、电子设备及存储介质
CN110265064B (zh) * 2019-06-12 2021-10-08 腾讯音乐娱乐科技（深圳）有限公司 音频爆音检测方法、装置和存储介质
WO2021089544A1 (en) * 2019-11-05 2021-05-14 Sony Corporation Electronic device, method and computer program
CN118899004A (zh) * 2023-04-27 2024-11-05 荣耀终端有限公司 立体声降噪方法、设备及存储介质

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DE3939478C2 (de) * 1989-02-03 1994-09-22 Pioneer Electronic Corp Vorrichtung zur Rauschunterdrückung in einem FM-Stereotuner
CA2125220C (en) * 1993-06-08 2000-08-15 Joji Kane Noise suppressing apparatus capable of preventing deterioration in high frequency signal characteristic after noise suppression and in balanced signal transmitting system
US6430227B1 (en) * 1998-03-27 2002-08-06 Ibiquity Digital Corporation FM in-band-on-channel digital audio broadcasting method and system
EP1289156A1 (en) * 2001-08-24 2003-03-05 Sony International (Europe) GmbH Noise reduction in a stereo receiver comprising an expander
DE60138281D1 (de) * 2001-08-24 2009-05-20 Sony Deutschland Gmbh Rauschverminderung in einem FM-Stereo-Empfänger
JP2005130074A (ja) * 2003-10-22 2005-05-19 Matsushita Electric Ind Co Ltd ステレオデコーダ
SE527866C2 (sv) 2003-12-19 2006-06-27 Ericsson Telefon Ab L M Kanalsignalmaskering i multikanalsaudiosystem
CN101630509B (zh) * 2008-07-14 2012-04-18 华为技术有限公司 一种编解码方法、装置及系统
JP5204904B2 (ja) * 2009-01-30 2013-06-05 テレフオンアクチーボラゲット エル エム エリクソン（パブル） オーディオ信号品質予測
BR122019023877B1 (pt) * 2009-03-17 2021-08-17 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
US20110194699A1 (en) * 2010-02-05 2011-08-11 Thomas Baker Method and system for enhanced sound quality for stereo audio
TWI516138B (zh) 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
WO2012025431A2 (en) 2010-08-24 2012-03-01 Dolby International Ab Concealment of intermittent mono reception of fm stereo radio receivers

Also Published As

Publication number Publication date
EP2761618B1 (en) 2016-11-30
WO2013045693A2 (en) 2013-04-04
RU2014110245A (ru) 2015-09-27
CN103918030B (zh) 2016-08-17
BR112014007481A2 (pt) 2017-04-04
JP5809754B2 (ja) 2015-11-11
WO2013045693A3 (en) 2013-06-20
EP2761618A2 (en) 2014-08-06
JP2014535183A (ja) 2014-12-25
KR20140049081A (ko) 2014-04-24
KR101585852B1 (ko) 2016-01-15
RU2584009C2 (ru) 2016-05-20
CN103918030A (zh) 2014-07-09
US20140226822A1 (en) 2014-08-14
US9319159B2 (en) 2016-04-19

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