HK1097963A1 - Method for correcting metadata affecting the playback loudness and dynamic range of audio information - Google Patents

Method for correcting metadata affecting the playback loudness and dynamic range of audio information

Info

Publication number
HK1097963A1
HK1097963A1 HK07104296.6A HK07104296A HK1097963A1 HK 1097963 A1 HK1097963 A1 HK 1097963A1 HK 07104296 A HK07104296 A HK 07104296A HK 1097963 A1 HK1097963 A1 HK 1097963A1
Authority
HK
Hong Kong
Prior art keywords
audio information
dynamic range
values
loudness
playback
Prior art date
Application number
HK07104296.6A
Other languages
English (en)
Inventor
Michael John Smithers
Jeffrey Charles Riedmiller
Charles Quito Robinson
Brett Graham Crockett
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
Application filed by Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of HK1097963A1 publication Critical patent/HK1097963A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Control Of Amplification And Gain Control (AREA)
HK07104296.6A 2004-07-01 2007-04-24 Method for correcting metadata affecting the playback loudness and dynamic range of audio information HK1097963A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/884,177 US7617109B2 (en) 2004-07-01 2004-07-01 Method for correcting metadata affecting the playback loudness and dynamic range of audio information
PCT/US2005/011862 WO2006006977A1 (en) 2004-07-01 2005-04-08 Method for correcting metadata affecting the playback loudness and dynamic range of audio information

Publications (1)

Publication Number Publication Date
HK1097963A1 true HK1097963A1 (en) 2007-07-06

Family

ID=34965214

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07104296.6A HK1097963A1 (en) 2004-07-01 2007-04-24 Method for correcting metadata affecting the playback loudness and dynamic range of audio information

Country Status (14)

Country Link
US (2) US7617109B2 (de)
EP (2) EP2214308A1 (de)
JP (1) JP4726898B2 (de)
KR (2) KR101112565B1 (de)
CN (1) CN1973434B (de)
AT (1) ATE488911T1 (de)
AU (1) AU2005262870B2 (de)
BR (1) BRPI0512882B1 (de)
CA (1) CA2566345C (de)
DE (1) DE602005024812D1 (de)
HK (1) HK1097963A1 (de)
IL (1) IL179309A (de)
MX (1) MXPA06015132A (de)
WO (1) WO2006006977A1 (de)

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Also Published As

Publication number Publication date
CN1973434A (zh) 2007-05-30
EP2214308A1 (de) 2010-08-04
CA2566345A1 (en) 2006-01-19
US7617109B2 (en) 2009-11-10
BRPI0512882A (pt) 2008-04-15
IL179309A (en) 2010-12-30
AU2005262870A1 (en) 2006-01-19
US8032385B2 (en) 2011-10-04
EP1771945A1 (de) 2007-04-11
DE602005024812D1 (de) 2010-12-30
CA2566345C (en) 2014-06-17
CN1973434B (zh) 2012-07-04
JP2008505586A (ja) 2008-02-21
KR101112565B1 (ko) 2012-02-15
BRPI0512882B1 (pt) 2018-02-14
KR20100061759A (ko) 2010-06-08
US20100250258A1 (en) 2010-09-30
MXPA06015132A (es) 2007-03-26
JP4726898B2 (ja) 2011-07-20
ATE488911T1 (de) 2010-12-15
WO2006006977A1 (en) 2006-01-19
IL179309A0 (en) 2007-03-08
US20060002572A1 (en) 2006-01-05
EP1771945B1 (de) 2010-11-17
KR20070031920A (ko) 2007-03-20
AU2005262870B2 (en) 2009-11-19

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