DE69602773T2 - Auf der Lautheitsunsicherheit basierende wahrnehmungsgebundene Audiokompression - Google Patents

Auf der Lautheitsunsicherheit basierende wahrnehmungsgebundene Audiokompression

Info

Publication number
DE69602773T2
DE69602773T2 DE69602773T DE69602773T DE69602773T2 DE 69602773 T2 DE69602773 T2 DE 69602773T2 DE 69602773 T DE69602773 T DE 69602773T DE 69602773 T DE69602773 T DE 69602773T DE 69602773 T2 DE69602773 T2 DE 69602773T2
Authority
DE
Germany
Prior art keywords
audio compression
compression based
perceptual audio
loudness
uncertainty
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.)
Expired - Fee Related
Application number
DE69602773T
Other languages
English (en)
Other versions
DE69602773D1 (de
Inventor
Jonathan B Allen
Deepen Sinha
Mark R Sydorenko
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.)
AT&T Corp
Original Assignee
AT&T Corp
AT&T IPM Corp
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 AT&T Corp, AT&T IPM Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69602773D1 publication Critical patent/DE69602773D1/de
Publication of DE69602773T2 publication Critical patent/DE69602773T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—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 for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69602773T 1995-02-06 1996-01-31 Auf der Lautheitsunsicherheit basierende wahrnehmungsgebundene Audiokompression Expired - Fee Related DE69602773T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/384,049 US5682463A (en) 1995-02-06 1995-02-06 Perceptual audio compression based on loudness uncertainty

Publications (2)

Publication Number Publication Date
DE69602773D1 DE69602773D1 (de) 1999-07-15
DE69602773T2 true DE69602773T2 (de) 1999-11-11

Family

ID=23515820

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69602773T Expired - Fee Related DE69602773T2 (de) 1995-02-06 1996-01-31 Auf der Lautheitsunsicherheit basierende wahrnehmungsgebundene Audiokompression

Country Status (6)

Country Link
US (1) US5682463A (de)
EP (1) EP0725494B1 (de)
JP (1) JPH08272399A (de)
CA (1) CA2167967A1 (de)
DE (1) DE69602773T2 (de)
ES (1) ES2142543T3 (de)

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TWI517562B (zh) * 2006-04-04 2016-01-11 杜比實驗室特許公司 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式
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US8150065B2 (en) * 2006-05-25 2012-04-03 Audience, Inc. System and method for processing an audio signal
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
US20080004873A1 (en) * 2006-06-28 2008-01-03 Chi-Min Liu Perceptual coding of audio signals by spectrum uncertainty
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US8521314B2 (en) * 2006-11-01 2013-08-27 Dolby Laboratories Licensing Corporation Hierarchical control path with constraints for audio dynamics processing
US8259926B1 (en) 2007-02-23 2012-09-04 Audience, Inc. System and method for 2-channel and 3-channel acoustic echo cancellation
BRPI0813723B1 (pt) * 2007-07-13 2020-02-04 Dolby Laboratories Licensing Corp método para controlar o nível de intensidade do som de eventos auditivos, memória legível por computador não transitória, sistema de computador e aparelho
US8189766B1 (en) 2007-07-26 2012-05-29 Audience, Inc. System and method for blind subband acoustic echo cancellation postfiltering
EP2177054B1 (de) * 2007-07-31 2014-04-09 Phonak AG Verfahren zum justieren eines hörgeräts mit frequenztransponierung und entsprechender anordnung
JP5229234B2 (ja) * 2007-12-18 2013-07-03 富士通株式会社 非音声区間検出方法及び非音声区間検出装置
US8143620B1 (en) 2007-12-21 2012-03-27 Audience, Inc. System and method for adaptive classification of audio sources
US8180064B1 (en) 2007-12-21 2012-05-15 Audience, Inc. System and method for providing voice equalization
US8194882B2 (en) 2008-02-29 2012-06-05 Audience, Inc. System and method for providing single microphone noise suppression fallback
US8355511B2 (en) 2008-03-18 2013-01-15 Audience, Inc. System and method for envelope-based acoustic echo cancellation
US8774423B1 (en) 2008-06-30 2014-07-08 Audience, Inc. System and method for controlling adaptivity of signal modification using a phantom coefficient
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US9055374B2 (en) * 2009-06-24 2015-06-09 Arizona Board Of Regents For And On Behalf Of Arizona State University Method and system for determining an auditory pattern of an audio segment
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CN115171709B (zh) * 2022-09-05 2022-11-18 腾讯科技（深圳）有限公司 语音编码、解码方法、装置、计算机设备和存储介质

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Also Published As

Publication number Publication date
CA2167967A1 (en) 1996-08-07
US5682463A (en) 1997-10-28
EP0725494A1 (de) 1996-08-07
JPH08272399A (ja) 1996-10-18
DE69602773D1 (de) 1999-07-15
EP0725494B1 (de) 1999-06-09
ES2142543T3 (es) 2000-04-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee