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CL2013002762A1 - Metodo para procesar una señal de audio digital que comprende recibir un bloque de coeficientes de transformada de valores reales, aplicar una primera transformada de longitud r, aplicar un banco de q segundas transformadas de longitud p y derivar una secuencia de n muestras de señales de valores reales. - Google Patents

Metodo para procesar una señal de audio digital que comprende recibir un bloque de coeficientes de transformada de valores reales, aplicar una primera transformada de longitud r, aplicar un banco de q segundas transformadas de longitud p y derivar una secuencia de n muestras de señales de valores reales.

Info

Publication number
CL2013002762A1
CL2013002762A1 CL2013002762A CL2013002762A CL2013002762A1 CL 2013002762 A1 CL2013002762 A1 CL 2013002762A1 CL 2013002762 A CL2013002762 A CL 2013002762A CL 2013002762 A CL2013002762 A CL 2013002762A CL 2013002762 A1 CL2013002762 A1 CL 2013002762A1
Authority
CL
Chile
Prior art keywords
applying
length
real value
transform
transforms
Prior art date
Application number
CL2013002762A
Other languages
English (en)
Inventor
Mattew C Fellers
Original Assignee
Dolby Laboratories 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 Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Publication of CL2013002762A1 publication Critical patent/CL2013002762A1/es

Links

Classifications

    • 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
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • G06F17/14Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Databases & Information Systems (AREA)
  • Discrete Mathematics (AREA)
  • Algebra (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
CL2013002762A 2011-03-28 2013-09-26 Metodo para procesar una señal de audio digital que comprende recibir un bloque de coeficientes de transformada de valores reales, aplicar una primera transformada de longitud r, aplicar un banco de q segundas transformadas de longitud p y derivar una secuencia de n muestras de señales de valores reales. CL2013002762A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201161468373P 2011-03-28 2011-03-28

Publications (1)

Publication Number Publication Date
CL2013002762A1 true CL2013002762A1 (es) 2014-03-07

Family

ID=45931032

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2013002762A CL2013002762A1 (es) 2011-03-28 2013-09-26 Metodo para procesar una señal de audio digital que comprende recibir un bloque de coeficientes de transformada de valores reales, aplicar una primera transformada de longitud r, aplicar un banco de q segundas transformadas de longitud p y derivar una secuencia de n muestras de señales de valores reales.

Country Status (19)

Country Link
US (1) US10410644B2 (es)
EP (1) EP2691951B1 (es)
JP (1) JP5762620B2 (es)
KR (1) KR101411297B1 (es)
CN (1) CN103415883B (es)
AU (1) AU2012238001B2 (es)
CA (1) CA2826018C (es)
CL (1) CL2013002762A1 (es)
DK (1) DK2691951T3 (es)
EA (1) EA030776B9 (es)
ES (1) ES2598827T3 (es)
HU (1) HUE030185T2 (es)
IL (1) IL227635A (es)
MX (1) MX2013011131A (es)
MY (1) MY166267A (es)
PL (1) PL2691951T3 (es)
SG (1) SG193237A1 (es)
UA (1) UA107293C2 (es)
WO (1) WO2012134851A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020340937A1 (en) 2019-09-03 2022-03-24 Dolby Laboratories Licensing Corporation Low-latency, low-frequency effects codec

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Also Published As

Publication number Publication date
PL2691951T3 (pl) 2017-03-31
EP2691951A1 (en) 2014-02-05
DK2691951T3 (en) 2016-11-14
MY166267A (en) 2018-06-22
IL227635A0 (en) 2013-09-30
CN103415883B (zh) 2015-11-25
EA030776B9 (ru) 2019-01-31
EP2691951B1 (en) 2016-08-24
WO2012134851A1 (en) 2012-10-04
CA2826018A1 (en) 2012-10-04
UA107293C2 (uk) 2014-12-10
IL227635A (en) 2017-05-29
JP5762620B2 (ja) 2015-08-12
EA201370207A1 (ru) 2014-01-30
HK1189699A1 (zh) 2014-06-13
US20140012588A1 (en) 2014-01-09
ES2598827T3 (es) 2017-01-30
MX2013011131A (es) 2013-10-30
HUE030185T2 (en) 2017-04-28
US10410644B2 (en) 2019-09-10
CN103415883A (zh) 2013-11-27
EA030776B1 (ru) 2018-09-28
JP2014514605A (ja) 2014-06-19
SG193237A1 (en) 2013-10-30
KR20130116914A (ko) 2013-10-24
CA2826018C (en) 2016-05-17
AU2012238001B2 (en) 2015-09-17
KR101411297B1 (ko) 2014-06-26

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