Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression

Full Title

Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing > Mathematical functions for musical analysis, processing, synthesis or composition > Transforms, i.e. mathematical transforms into domains appropriate for musical signal processing, coding or compression

Child Classifications

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• G10H 2250/221 Cosine transform; DCT [discrete cosine transform], e.g. for use in lossy audio compression such as MP3
• G10H 2250/231 Fermat transform
• G10H 2250/235 Fourier transform; Discrete Fourier Transform [DFT]; Fast Fourier Transform [FFT]
• G10H 2250/241 Hadamard transform, Walsh-Hadamard transform, Hadamard-Rademacher-Walsh transform, Walsh transform, or Walsh-Fourier transform
• G10H 2250/245 Hartley transform,; Discrete Hartley transform [DHT]; Fast Hartley transform [FHT]
• G10H 2250/251 Wavelet transform, i.e. transform with both frequency and temporal resolution, e.g. for compression of percussion sounds; Discrete Wavelet Transform [DWT]
• G10H 2250/255 Z-transform, e.g. for dealing with sampled signals, delays or digital filters