DE60217484D1 - Schätzung der signalleistung in einem komprimierten audiosignal - Google Patents

Schätzung der signalleistung in einem komprimierten audiosignal

Info

Publication number
DE60217484D1
DE60217484D1 DE60217484T DE60217484T DE60217484D1 DE 60217484 D1 DE60217484 D1 DE 60217484D1 DE 60217484 T DE60217484 T DE 60217484T DE 60217484 T DE60217484 T DE 60217484T DE 60217484 D1 DE60217484 D1 DE 60217484D1
Authority
DE
Germany
Prior art keywords
signal power
estimating
signal
compressed audio
power
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 - Lifetime
Application number
DE60217484T
Other languages
English (en)
Other versions
DE60217484T2 (de
Inventor
Alessio Stella
A Nesvadba
Mauro Barbieri
Freddy Snijder
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE60217484D1 publication Critical patent/DE60217484D1/de
Application granted granted Critical
Publication of DE60217484T2 publication Critical patent/DE60217484T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/56Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
    • H04H60/58Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 of audio
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/426Internal components of the client ; Characteristics thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439Processing of audio elementary streams
    • H04N21/4394Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/602Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
    • 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
    • G10L19/0204Speech 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81Monomedia components thereof
    • H04N21/812Monomedia components thereof involving advertisement data

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Air Bags (AREA)
  • Control Of Stepping Motors (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE60217484T 2001-05-11 2002-05-08 Schätzung der signalleistung in einem komprimierten audiosignal Expired - Lifetime DE60217484T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01201730 2001-05-11
EP01201730 2001-05-11
PCT/IB2002/001561 WO2002093552A1 (en) 2001-05-11 2002-05-08 Estimating signal power in compressed audio

Publications (2)

Publication Number Publication Date
DE60217484D1 true DE60217484D1 (de) 2007-02-22
DE60217484T2 DE60217484T2 (de) 2007-10-25

Family

ID=8180284

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60217484T Expired - Lifetime DE60217484T2 (de) 2001-05-11 2002-05-08 Schätzung der signalleistung in einem komprimierten audiosignal
DE60233223T Expired - Lifetime DE60233223D1 (de) 2001-05-11 2002-05-10 Stilleerkennung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE60233223T Expired - Lifetime DE60233223D1 (de) 2001-05-11 2002-05-10 Stilleerkennung

Country Status (8)

Country Link
US (2) US7356464B2 (de)
EP (2) EP1393301B1 (de)
JP (2) JP4365103B2 (de)
KR (2) KR100916959B1 (de)
CN (3) CN100380441C (de)
AT (1) ATE438968T1 (de)
DE (2) DE60217484T2 (de)
WO (2) WO2002093552A1 (de)

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Also Published As

Publication number Publication date
CN100380441C (zh) 2008-04-09
US7356464B2 (en) 2008-04-08
DE60233223D1 (de) 2009-09-17
EP1393480B1 (de) 2009-08-05
JP4560269B2 (ja) 2010-10-13
US20040125961A1 (en) 2004-07-01
CN1462426A (zh) 2003-12-17
CN1244900C (zh) 2006-03-08
JP2004531766A (ja) 2004-10-14
EP1393301A1 (de) 2004-03-03
US7617095B2 (en) 2009-11-10
WO2002093552A1 (en) 2002-11-21
CN1462427A (zh) 2003-12-17
KR20030027938A (ko) 2003-04-07
EP1393480A2 (de) 2004-03-03
WO2002093801A2 (en) 2002-11-21
DE60217484T2 (de) 2007-10-25
KR20030015385A (ko) 2003-02-20
KR100916959B1 (ko) 2009-09-14
CN100348034C (zh) 2007-11-07
ATE438968T1 (de) 2009-08-15
US20040138880A1 (en) 2004-07-15
JP4365103B2 (ja) 2009-11-18
WO2002093801A3 (en) 2003-01-30
CN1612607A (zh) 2005-05-04
EP1393301B1 (de) 2007-01-10
JP2004520627A (ja) 2004-07-08

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