spandsp: noise.h Source File

spandsp 0.0.6

private/noise.h
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1/*
2 * SpanDSP - a series of DSP components for telephony
3 *
4 * private/noise.h - A low complexity audio noise generator, suitable for
5 * real time generation (current just approx AWGN)
6 *
7 * Written by Steve Underwood <steveu@coppice.org>
8 *
9 * Copyright (C) 2005 Steve Underwood
10 *
11 * All rights reserved.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU Lesser General Public License version 2.1,
15 * as published by the Free Software Foundation.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this program; if not, write to the Free Software
24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26
27/*! \file */
28
29#if !defined(_SPANDSP_PRIVATE_NOISE_H_)
30#define _SPANDSP_PRIVATE_NOISE_H_
31
32/*!
33 Noise generator descriptor. This contains all the state information for an instance
34 of the noise generator.
35 */
36 struct noise_state_s
37{
38 int class_of_noise;
39 int quality;
40 int32_t rms;
41 uint32_t rndnum;
42 int32_t state;
43};
44
45#endif
46/*- End of file ------------------------------------------------------------*/
noise_state_s
Definition private/noise.h:37