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HK1113452A1 - Economical loudness measurement of coded audio - Google Patents

Economical loudness measurement of coded audio

Info

Publication number
HK1113452A1
HK1113452A1 HK08103410.8A HK08103410A HK1113452A1 HK 1113452 A1 HK1113452 A1 HK 1113452A1 HK 08103410 A HK08103410 A HK 08103410A HK 1113452 A1 HK1113452 A1 HK 1113452A1
Authority
HK
Hong Kong
Prior art keywords
audio
approximation
representations
power spectrum
economical
Prior art date
Application number
HK08103410.8A
Other languages
English (en)
Inventor
Brett Graham Crockett
Michael John Smithers
Alan Jeffrey Seefeldt
Original Assignee
Dolby Lab Licensing 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36636608&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1113452(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of HK1113452A1 publication Critical patent/HK1113452A1/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13Aspects of volume control, not necessarily automatic, in stereophonic sound systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
HK08103410.8A 2005-04-13 2008-03-27 Economical loudness measurement of coded audio HK1113452A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67138105P 2005-04-13 2005-04-13
PCT/US2006/010823 WO2006113047A1 (fr) 2005-04-13 2006-03-23 Mesure economique de la force sonore d'elements audio codes

Publications (1)

Publication Number Publication Date
HK1113452A1 true HK1113452A1 (en) 2008-10-03

Family

ID=36636608

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08103410.8A HK1113452A1 (en) 2005-04-13 2008-03-27 Economical loudness measurement of coded audio

Country Status (16)

Country Link
US (1) US8239050B2 (fr)
EP (1) EP1878307B1 (fr)
JP (1) JP5219800B2 (fr)
KR (1) KR101265669B1 (fr)
CN (1) CN100589657C (fr)
AT (1) ATE527834T1 (fr)
AU (1) AU2006237476B2 (fr)
BR (1) BRPI0610441B1 (fr)
CA (1) CA2604796C (fr)
ES (1) ES2373741T3 (fr)
HK (1) HK1113452A1 (fr)
IL (1) IL186046A (fr)
MX (1) MX2007012735A (fr)
MY (1) MY147462A (fr)
TW (1) TWI397903B (fr)
WO (1) WO2006113047A1 (fr)

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JP6162254B2 (ja) * 2013-01-08 2017-07-12 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 背景ノイズにおけるスピーチ了解度を増幅及び圧縮により向上させる装置と方法
CN112652316B (zh) * 2013-01-21 2023-09-15 杜比实验室特许公司 利用响度处理状态元数据的音频编码器和解码器
SG10201604643RA (en) 2013-01-21 2016-07-28 Dolby Lab Licensing Corp Audio encoder and decoder with program loudness and boundary metadata
US20160049914A1 (en) * 2013-03-21 2016-02-18 Intellectual Discovery Co., Ltd. Audio signal size control method and device
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Also Published As

Publication number Publication date
CN100589657C (zh) 2010-02-10
EP1878307A1 (fr) 2008-01-16
US20090067644A1 (en) 2009-03-12
BRPI0610441B1 (pt) 2019-01-02
EP1878307B1 (fr) 2011-10-05
AU2006237476A1 (en) 2006-10-26
TW200641797A (en) 2006-12-01
TWI397903B (zh) 2013-06-01
AU2006237476B2 (en) 2009-12-17
MX2007012735A (es) 2008-01-11
US8239050B2 (en) 2012-08-07
IL186046A (en) 2011-11-30
ATE527834T1 (de) 2011-10-15
WO2006113047A1 (fr) 2006-10-26
MY147462A (en) 2012-12-14
BRPI0610441A2 (pt) 2010-06-22
KR101265669B1 (ko) 2013-05-23
CA2604796C (fr) 2014-06-03
KR20070119683A (ko) 2007-12-20
CN101161033A (zh) 2008-04-09
JP2008536192A (ja) 2008-09-04
CA2604796A1 (fr) 2006-10-26
ES2373741T3 (es) 2012-02-08
JP5219800B2 (ja) 2013-06-26
IL186046A0 (en) 2008-02-09

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