CN1192355C - 宽带音频传输系统 - Google Patents

宽带音频传输系统 Download PDF

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Publication number
CN1192355C
CN1192355C CNB008027587A CN00802758A CN1192355C CN 1192355 C CN1192355 C CN 1192355C CN B008027587 A CNB008027587 A CN B008027587A CN 00802758 A CN00802758 A CN 00802758A CN 1192355 C CN1192355 C CN 1192355C
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China
Prior art keywords
signal
frequency range
low
coded
code device
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Expired - Lifetime
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CNB008027587A
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English (en)
Chinese (zh)
Other versions
CN1337043A (zh
Inventor
R·J·斯卢伊特
A·J·格里茨
R·陶里
S·陈诺克
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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Publication of CN1337043A publication Critical patent/CN1337043A/zh
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    • 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • 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
    • G10L19/0204—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 using subband decomposition
    • G10L19/0208—Subband vocoders

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CNB008027587A 1999-11-16 2000-10-19 宽带音频传输系统 Expired - Lifetime CN1192355C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP99203819.0 1999-11-16
EP99203819 1999-11-16

Publications (2)

Publication Number Publication Date
CN1337043A CN1337043A (zh) 2002-02-20
CN1192355C true CN1192355C (zh) 2005-03-09

Family

ID=8240869

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008027587A Expired - Lifetime CN1192355C (zh) 1999-11-16 2000-10-19 宽带音频传输系统

Country Status (7)

Country Link
US (1) US6772114B1 (enExample)
EP (1) EP1147514B1 (enExample)
JP (2) JP5220254B2 (enExample)
KR (1) KR100675309B1 (enExample)
CN (1) CN1192355C (enExample)
DE (1) DE60019268T2 (enExample)
WO (1) WO2001037263A1 (enExample)

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US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
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
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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
US9348904B2 (en) 2006-02-07 2016-05-24 Bongiovi Acoustics Llc. System and method for digital signal processing
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 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
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US9195433B2 (en) 2006-02-07 2015-11-24 Bongiovi Acoustics Llc In-line signal processor
US7873511B2 (en) * 2006-06-30 2011-01-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic
KR101565919B1 (ko) * 2006-11-17 2015-11-05 삼성전자주식회사 고주파수 신호 부호화 및 복호화 방법 및 장치
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KR101379263B1 (ko) 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
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
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CN102263576B (zh) * 2010-05-27 2014-06-25 盛乐信息技术（上海）有限公司 无线信息传输方法及实现设备
US9344828B2 (en) 2012-12-21 2016-05-17 Bongiovi Acoustics Llc. System and method for digital signal processing
US9398394B2 (en) 2013-06-12 2016-07-19 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
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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
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
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
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
US9906867B2 (en) 2015-11-16 2018-02-27 Bongiovi Acoustics Llc Surface acoustic transducer
US11211043B2 (en) 2018-04-11 2021-12-28 Bongiovi Acoustics Llc Audio enhanced hearing protection system
US10959035B2 (en) 2018-08-02 2021-03-23 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function

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Also Published As

Publication number Publication date
DE60019268T2 (de) 2006-02-02
KR20010108099A (ko) 2001-12-07
WO2001037263A1 (en) 2001-05-25
US6772114B1 (en) 2004-08-03
JP5220254B2 (ja) 2013-06-26
KR100675309B1 (ko) 2007-01-29
EP1147514A1 (en) 2001-10-24
CN1337043A (zh) 2002-02-20
JP2003514266A (ja) 2003-04-15
JP2012027498A (ja) 2012-02-09
DE60019268D1 (de) 2005-05-12
EP1147514B1 (en) 2005-04-06

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Granted publication date: 20050309