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Fractal Wavelet Compression of Audio Signals

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A novel approach to audio signal compression is described which marries wavelet transform coding with fractal-based compression techniques. The signal is divided into frames which are subjected to a fast wavelet transform, with subsequent fractal coding of high-frequency wavelet coefficients using a collage approach. Results from initial implementation are examined. Compression ratios above 6:1 should ultimately be attainable with good-fidelity signal reconstruction.

JAES Volume 45 Issue 7/8 pp. 540-553; July 1997
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AES - Audio Engineering Society