/*---------------------------------------------------------------------------*\ FILE........: lsp.c AUTHOR......: David Rowe DATE CREATED: 24/2/93 This file contains functions for LPC to LSP conversion and LSP to LPC conversion. Note that the LSP coefficients are not in radians format but in the x domain of the unit circle. \*---------------------------------------------------------------------------*/ #ifndef __LSP__ #define __LSP__ int lpc_to_lsp (float *a, int lpcrdr, float *freq, int nb, float delta); void lsp_to_lpc(float *freq, float *ak, int lpcrdr); #endif