Audio signal compression using circular wavelet packets

James F. Scholl; Daniel N. Rogovin

doi:10.1117/12.188801

11 October 1994 Audio signal compression using circular wavelet packets

James F. Scholl, Daniel N. Rogovin

Proceedings Volume 2303, Wavelet Applications in Signal and Image Processing II; (1994) https://doi.org/10.1117/12.188801
Event: SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, 1994, San Diego, CA, United States

Abstract

We have successfully compressed audio signals using wavelet packets based on a recently developed fast wavelet transform (FWT) scheme using circular convolution with an adaptive hybrid filter/basis system. This algorithm gives perfect reconstruction of the data; edge effects are removed entirely. As a result, the quality of audio signal compression is much improved. To illustrate this, we present results from our comparison study where we compressed a test signal using these `circular wavelet packets' and wavelet packets based on the standard FWT.

Citation Download Citation

James F. Scholl and Daniel N. Rogovin "Audio signal compression using circular wavelet packets", Proc. SPIE 2303, Wavelet Applications in Signal and Image Processing II, (11 October 1994); https://doi.org/10.1117/12.188801

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