WAVEPACK1 - 1D wavelet packet transform wavepack1 - 1D wavelet package transform Function Prototype: int wavePack_1(float *x, float *y, waveFilter *filter, int twopow, int stage, int type); Input: x array[] for the signal y array[] for the wavelet coefficients filter wavelet filter structure twopow 2^pow is the length of the signal type 0 for decomposition, 1 for reconstruction Author: Tong Chen, 05/25/94