Classifications

• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
  • G06F17/10—Complex mathematical operations
  • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
  • G06F17/141—Discrete Fourier transforms
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
  • G06F17/10—Complex mathematical operations
  • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
  • G06F17/141—Discrete Fourier transforms
  • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm
• • G—PHYSICS
  • G06—COMPUTING OR CALCULATING; COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
  • G06F17/10—Complex mathematical operations
  • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
  • G06F17/147—Discrete 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
• • 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
  • G10L19/0212—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 orthogonal transformation
• • 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

Landscapes

• Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Mathematical Physics (AREA)
• General Physics & Mathematics (AREA)
• Data Mining & Analysis (AREA)
• Computational Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Pure & Applied Mathematics (AREA)
• Mathematical Optimization (AREA)
• Mathematical Analysis (AREA)
• Discrete Mathematics (AREA)
• Algebra (AREA)
• General Engineering & Computer Science (AREA)
• Software Systems (AREA)
• Databases & Information Systems (AREA)
• Acoustics & Sound (AREA)
• Human Computer Interaction (AREA)
• Signal Processing (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Multimedia (AREA)
• Health & Medical Sciences (AREA)
• Computational Linguistics (AREA)
• Audiology, Speech & Language Pathology (AREA)
• Complex Calculations (AREA)
• Compression, Expansion, Code Conversion, And Decoders (AREA)
• Soil Working Implements (AREA)
• Combined Means For Separation Of Solids (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=46481138

Family Applications (1)

Country Status (8)

Families Citing this family (2)

Family Cites Families (13)

• 2011
  • 2011-01-10 CN CN201110004032.5A patent/CN102592601B/zh active Active
  • 2011-12-31 EP EP11855360.1A patent/EP2664995A4/en not_active Ceased
  • 2011-12-31 WO PCT/CN2011/085197 patent/WO2012094952A1/zh not_active Ceased
  • 2011-12-31 KR KR1020137019665A patent/KR101627900B1/ko active Active
  • 2011-12-31 EP EP25165186.5A patent/EP4550325A3/en active Pending
  • 2011-12-31 EP EP18203003.1A patent/EP3518121B1/en active Active
  • 2011-12-31 PL PL18203003.1T patent/PL3518121T3/pl unknown
  • 2011-12-31 ES ES18203003T patent/ES3026524T3/es active Active
  • 2011-12-31 JP JP2013547798A patent/JP5783395B2/ja not_active Expired - Fee Related
• 2013
  • 2013-07-10 US US13/938,834 patent/US9519619B2/en active Active
• 2016
  • 2016-11-07 US US15/345,074 patent/US9792257B2/en active Active
• 2017
  • 2017-09-05 US US15/696,091 patent/US9996503B2/en active Active

Also Published As

Similar Documents