ES2660778T3 - Reconstrucción paramétrica de señales de audio - Google Patents

Reconstrucción paramétrica de señales de audio Download PDF

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Publication number
ES2660778T3
ES2660778T3 ES14792778.4T ES14792778T ES2660778T3 ES 2660778 T3 ES2660778 T3 ES 2660778T3 ES 14792778 T ES14792778 T ES 14792778T ES 2660778 T3 ES2660778 T3 ES 2660778T3
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signal
upmix
downmix
matrix
dry
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English (en)
Spanish (es)
Inventor
Lars Villemoes
Heidi-Maria LEHTONEN
Heiko Purnhagen
Toni HIRVONEN
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Dolby International AB
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Dolby International AB
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    • 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
    • G10L19/04Speech 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 predictive techniques
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/005Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/0212Speech 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 orthogonal transformation
    • 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
    • G10L19/04Speech 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 predictive techniques
    • G10L19/26Pre-filtering or post-filtering
    • G10L19/265Pre-filtering, e.g. high frequency emphasis prior to encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
ES14792778.4T 2013-10-21 2014-10-21 Reconstrucción paramétrica de señales de audio Active ES2660778T3 (es)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361893770P 2013-10-21 2013-10-21
US201361893770P 2013-10-21
US201461974544P 2014-04-03 2014-04-03
US201461974544P 2014-04-03
US201462037693P 2014-08-15 2014-08-15
US201462037693P 2014-08-15
PCT/EP2014/072570 WO2015059153A1 (en) 2013-10-21 2014-10-21 Parametric reconstruction of audio signals

Publications (1)

Publication Number Publication Date
ES2660778T3 true ES2660778T3 (es) 2018-03-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES14792778.4T Active ES2660778T3 (es) 2013-10-21 2014-10-21 Reconstrucción paramétrica de señales de audio

Country Status (9)

Country Link
US (6) US9978385B2 (OSRAM)
EP (1) EP3061089B1 (OSRAM)
JP (1) JP6479786B2 (OSRAM)
KR (5) KR20250004121A (OSRAM)
CN (3) CN111192592B (OSRAM)
BR (1) BR112016008817B1 (OSRAM)
ES (1) ES2660778T3 (OSRAM)
RU (1) RU2648947C2 (OSRAM)
WO (1) WO2015059153A1 (OSRAM)

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Also Published As

Publication number Publication date
US12175990B2 (en) 2024-12-24
US20190325885A1 (en) 2019-10-24
KR102244379B1 (ko) 2021-04-26
US10614825B2 (en) 2020-04-07
US11769516B2 (en) 2023-09-26
US10242685B2 (en) 2019-03-26
EP3061089A1 (en) 2016-08-31
CN111192592B (zh) 2023-09-15
RU2016119563A (ru) 2017-11-28
US20230104408A1 (en) 2023-04-06
KR20220044619A (ko) 2022-04-08
JP2016537669A (ja) 2016-12-01
US20200302943A1 (en) 2020-09-24
US20160247514A1 (en) 2016-08-25
KR20250004121A (ko) 2025-01-07
US11450330B2 (en) 2022-09-20
CN105917406B (zh) 2020-01-17
CN105917406A (zh) 2016-08-31
US20240087584A1 (en) 2024-03-14
KR20160099531A (ko) 2016-08-22
EP3061089B1 (en) 2018-01-17
KR102381216B1 (ko) 2022-04-08
CN111192592A (zh) 2020-05-22
KR20210046848A (ko) 2021-04-28
BR112016008817A2 (OSRAM) 2017-08-01
KR102486365B1 (ko) 2023-01-09
BR112016008817B1 (pt) 2022-03-22
WO2015059153A1 (en) 2015-04-30
JP6479786B2 (ja) 2019-03-06
KR20230011480A (ko) 2023-01-20
KR102741608B1 (ko) 2024-12-16
CN111179956A (zh) 2020-05-19
US9978385B2 (en) 2018-05-22
US20180268831A1 (en) 2018-09-20
RU2648947C2 (ru) 2018-03-28
CN111179956B (zh) 2023-08-11

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