From f02dfce6e6c34b3d8a7b8a0e784b506178e331fa Mon Sep 17 00:00:00 2001 From: "erdgeist@erdgeist.org" Date: Thu, 4 Jul 2019 23:26:09 +0200 Subject: stripdown of version 0.9 --- lsp.h | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 lsp.h (limited to 'lsp.h') diff --git a/lsp.h b/lsp.h new file mode 100644 index 0000000..5acef01 --- /dev/null +++ b/lsp.h @@ -0,0 +1,37 @@ +/*---------------------------------------------------------------------------*\ + + 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. + +\*---------------------------------------------------------------------------*/ + +/* + Copyright (C) 2009 David Rowe + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the Free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see . +*/ + +#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 -- cgit v1.2.3