EP2485029A4 - Audio signal switching method and device - Google Patents

Audio signal switching method and device

Info

Publication number
EP2485029A4
EP2485029A4 EP11774406A EP11774406A EP2485029A4 EP 2485029 A4 EP2485029 A4 EP 2485029A4 EP 11774406 A EP11774406 A EP 11774406A EP 11774406 A EP11774406 A EP 11774406A EP 2485029 A4 EP2485029 A4 EP 2485029A4
Authority
EP
European Patent Office
Prior art keywords
audio signal
switching method
signal switching
audio
switching
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP11774406A
Other languages
German (de)
French (fr)
Other versions
EP2485029B1 (en
EP2485029A1 (en
Inventor
Zexin Liu
Lei Miao
Chen Hu
Wenhai Wu
Yue Lang
Qing Zhang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP17151713.9A priority Critical patent/EP3249648B1/en
Publication of EP2485029A1 publication Critical patent/EP2485029A1/en
Publication of EP2485029A4 publication Critical patent/EP2485029A4/en
Application granted granted Critical
Publication of EP2485029B1 publication Critical patent/EP2485029B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • 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
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • 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
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

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)
  • Quality & Reliability (AREA)
  • Telephone Function (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuits Of Receivers In General (AREA)
EP11774406.0A 2010-04-28 2011-04-28 Audio signal switching method and device Active EP2485029B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17151713.9A EP3249648B1 (en) 2010-04-28 2011-04-28 Method and apparatus for switching speech or audio signals

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010101634063A CN101964189B (en) 2010-04-28 2010-04-28 Audio signal switching method and device
PCT/CN2011/073479 WO2011134415A1 (en) 2010-04-28 2011-04-28 Audio signal switching method and device

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP17151713.9A Division-Into EP3249648B1 (en) 2010-04-28 2011-04-28 Method and apparatus for switching speech or audio signals
EP17151713.9A Division EP3249648B1 (en) 2010-04-28 2011-04-28 Method and apparatus for switching speech or audio signals

Publications (3)

Publication Number Publication Date
EP2485029A1 EP2485029A1 (en) 2012-08-08
EP2485029A4 true EP2485029A4 (en) 2013-01-02
EP2485029B1 EP2485029B1 (en) 2017-06-14

Family

ID=43517042

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11774406.0A Active EP2485029B1 (en) 2010-04-28 2011-04-28 Audio signal switching method and device
EP17151713.9A Active EP3249648B1 (en) 2010-04-28 2011-04-28 Method and apparatus for switching speech or audio signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17151713.9A Active EP3249648B1 (en) 2010-04-28 2011-04-28 Method and apparatus for switching speech or audio signals

Country Status (8)

Country Link
EP (2) EP2485029B1 (en)
JP (3) JP5667202B2 (en)
KR (1) KR101377547B1 (en)
CN (1) CN101964189B (en)
AU (1) AU2011247719B2 (en)
BR (1) BR112012013306B8 (en)
ES (2) ES2718947T3 (en)
WO (1) WO2011134415A1 (en)

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KR101110800B1 (en) * 2003-05-28 2012-07-06 도꾸리쯔교세이호진 상교기쥬쯔 소고겡뀨죠 Process for producing hydroxyl group-containing compound
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US8000968B1 (en) 2011-04-26 2011-08-16 Huawei Technologies Co., Ltd. Method and apparatus for switching speech or audio signals
CN101964189B (en) * 2010-04-28 2012-08-08 华为技术有限公司 Audio signal switching method and device
CN105469805B (en) 2012-03-01 2018-01-12 华为技术有限公司 A kind of voice frequency signal treating method and apparatus
CN105761724B (en) * 2012-03-01 2021-02-09 华为技术有限公司 Voice frequency signal processing method and device
CN103516440B (en) 2012-06-29 2015-07-08 华为技术有限公司 Audio signal processing method and encoding device
CN106847297B (en) 2013-01-29 2020-07-07 华为技术有限公司 Prediction method of high-frequency band signal, encoding/decoding device
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US9397629B2 (en) * 2013-10-22 2016-07-19 Bongiovi Acoustics Llc System and method for digital signal processing
US20150170655A1 (en) * 2013-12-15 2015-06-18 Qualcomm Incorporated Systems and methods of blind bandwidth extension
CN103714822B (en) * 2013-12-27 2017-01-11 广州华多网络科技有限公司 Sub-band coding and decoding method and device based on SILK coder decoder
KR101864122B1 (en) * 2014-02-20 2018-06-05 삼성전자주식회사 Electronic apparatus and controlling method thereof
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
EP2980794A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder and decoder using a frequency domain processor and a time domain processor
EP3627507A1 (en) 2016-02-17 2020-03-25 Fraunhofer Gesellschaft zur Förderung der Angewand Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing
AU2019252524A1 (en) 2018-04-11 2020-11-05 Bongiovi Acoustics Llc Audio enhanced hearing protection system
CN110556116B (en) * 2018-05-31 2021-10-22 华为技术有限公司 Method and apparatus for calculating downmix signal and residual signal
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
CN112002333B (en) * 2019-05-07 2023-07-18 海能达通信股份有限公司 Voice synchronization method and device and communication terminal
CN117373465B (en) * 2023-12-08 2024-04-09 富迪科技(南京)有限公司 Voice frequency signal switching system

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WO2009056027A1 (en) * 2007-11-02 2009-05-07 Huawei Technologies Co., Ltd. An audio decoding method and device

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Also Published As

Publication number Publication date
JP6410777B2 (en) 2018-10-24
KR20120074303A (en) 2012-07-05
JP5667202B2 (en) 2015-02-12
EP2485029B1 (en) 2017-06-14
EP3249648B1 (en) 2019-01-09
JP2017033015A (en) 2017-02-09
ES2635212T3 (en) 2017-10-02
CN101964189A (en) 2011-02-02
JP6027081B2 (en) 2016-11-16
BR112012013306B1 (en) 2020-11-10
JP2015045888A (en) 2015-03-12
KR101377547B1 (en) 2014-03-25
CN101964189B (en) 2012-08-08
BR112012013306A2 (en) 2016-03-01
WO2011134415A1 (en) 2011-11-03
EP2485029A1 (en) 2012-08-08
ES2718947T3 (en) 2019-07-05
AU2011247719A1 (en) 2012-06-07
JP2013512468A (en) 2013-04-11
EP3249648A1 (en) 2017-11-29
BR112012013306B8 (en) 2021-02-17
AU2011247719B2 (en) 2013-07-11

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