HK1186280A1 - 調頻立體聲無線電接收器的間歇單聲道接收的隱藏 - Google Patents

調頻立體聲無線電接收器的間歇單聲道接收的隱藏

Info

Publication number
HK1186280A1
HK1186280A1 HK13113471.6A HK13113471A HK1186280A1 HK 1186280 A1 HK1186280 A1 HK 1186280A1 HK 13113471 A HK13113471 A HK 13113471A HK 1186280 A1 HK1186280 A1 HK 1186280A1
Authority
HK
Hong Kong
Prior art keywords
concealment
intermittent
radio receivers
stereo radio
mono reception
Prior art date
Application number
HK13113471.6A
Other languages
English (en)
Inventor
Leif Sehlstrom
Heiko Purnhagen
Jonas Engdegard
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 HK1186280A1 publication Critical patent/HK1186280A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • 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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • 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
    • H04H40/81—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 for stereo-monaural switching
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
  • Circuits Of Receivers In General (AREA)
HK13113471.6A 2010-08-24 2013-12-04 調頻立體聲無線電接收器的間歇單聲道接收的隱藏 HK1186280A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37656910P 2010-08-24 2010-08-24
PCT/EP2011/064084 WO2012025431A2 (en) 2010-08-24 2011-08-16 Concealment of intermittent mono reception of fm stereo radio receivers

Publications (1)

Publication Number Publication Date
HK1186280A1 true HK1186280A1 (zh) 2014-03-07

Family

ID=44584155

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13113471.6A HK1186280A1 (zh) 2010-08-24 2013-12-04 調頻立體聲無線電接收器的間歇單聲道接收的隱藏

Country Status (8)

Country Link
US (1) US9237400B2 (zh)
EP (1) EP2609592B1 (zh)
JP (1) JP5581449B2 (zh)
CN (1) CN103098131B (zh)
AR (1) AR082522A1 (zh)
ES (1) ES2526320T3 (zh)
HK (1) HK1186280A1 (zh)
WO (1) WO2012025431A2 (zh)

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EP2740222B1 (en) 2011-08-04 2015-04-22 Dolby International AB Improved fm stereo radio receiver by using parametric stereo
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US10224045B2 (en) * 2017-05-11 2019-03-05 Qualcomm Incorporated Stereo parameters for stereo decoding
KR102629385B1 (ko) * 2018-01-25 2024-01-25 삼성전자주식회사 바지-인 관련 직접 경로를 지원하는 저전력 보이스 트리거 시스템을 포함하는 애플리케이션 프로세서, 이를 포함하는 전자 장치 및 그 동작 방법
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
CN110556118B (zh) 2018-05-31 2022-05-10 华为技术有限公司 立体声信号的编码方法和装置
CN113194464B (zh) * 2021-04-26 2022-05-17 北京理工大学 一种基于频谱检测的物联网物理层隐蔽通信方法及装置

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Also Published As

Publication number Publication date
AR082522A1 (es) 2012-12-12
CN103098131A (zh) 2013-05-08
CN103098131B (zh) 2015-03-11
WO2012025431A3 (en) 2012-04-19
US9237400B2 (en) 2016-01-12
EP2609592A2 (en) 2013-07-03
US20130142340A1 (en) 2013-06-06
EP2609592B1 (en) 2014-11-05
WO2012025431A2 (en) 2012-03-01
ES2526320T3 (es) 2015-01-09
JP5581449B2 (ja) 2014-08-27
JP2013541870A (ja) 2013-11-14

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