HK1205372A1 - Audio signal loudness determination and modificatiion in the frequency domain - Google Patents

Audio signal loudness determination and modificatiion in the frequency domain

Info

Publication number
HK1205372A1
HK1205372A1 HK15105731.6A HK15105731A HK1205372A1 HK 1205372 A1 HK1205372 A1 HK 1205372A1 HK 15105731 A HK15105731 A HK 15105731A HK 1205372 A1 HK1205372 A1 HK 1205372A1
Authority
HK
Hong Kong
Prior art keywords
frequency domain
audio signal
modificatiion
frequency
signal loudness
Prior art date
Application number
HK15105731.6A
Other languages
English (en)
Chinese (zh)
Inventor
．斯米澤斯
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 HK1205372A1 publication Critical patent/HK1205372A1/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
    • 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
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
HK15105731.6A 2008-12-24 2015-06-16 Audio signal loudness determination and modificatiion in the frequency domain HK1205372A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14079108P 2008-12-24 2008-12-24

Publications (1)

Publication Number Publication Date
HK1205372A1 true HK1205372A1 (en) 2015-12-11

Family

ID=41693219

Family Applications (1)

Application Number Title Priority Date Filing Date
HK15105731.6A HK1205372A1 (en) 2008-12-24 2015-06-16 Audio signal loudness determination and modificatiion in the frequency domain

Country Status (7)

Country Link
US (2) US8892426B2 (xx)
EP (1) EP2374211B1 (xx)
JP (1) JP5270006B2 (xx)
CN (2) CN102265513B (xx)
AT (1) ATE552651T1 (xx)
HK (1) HK1205372A1 (xx)
WO (1) WO2010075377A1 (xx)

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Also Published As

Publication number Publication date
US20150106083A1 (en) 2015-04-16
CN102265513B (zh) 2014-12-31
JP5270006B2 (ja) 2013-08-21
CN102265513A (zh) 2011-11-30
US8892426B2 (en) 2014-11-18
ATE552651T1 (de) 2012-04-15
US20110257982A1 (en) 2011-10-20
CN104378075A (zh) 2015-02-25
EP2374211A1 (en) 2011-10-12
JP2012513729A (ja) 2012-06-14
CN104378075B (zh) 2017-05-31
WO2010075377A1 (en) 2010-07-01
US9306524B2 (en) 2016-04-05
EP2374211B1 (en) 2012-04-04

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