Mercurial > hg > audiostuff
comparison spandsp-0.0.6pre17/src/spandsp/private/noise.h @ 4:26cd8f1ef0b1
import spandsp-0.0.6pre17
| author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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| date | Fri, 25 Jun 2010 15:50:58 +0200 |
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| 3:c6c5a16ce2f2 | 4:26cd8f1ef0b1 |
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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 * $Id: noise.h,v 1.1 2008/11/30 12:45:09 steveu Exp $ | |
| 27 */ | |
| 28 | |
| 29 /*! \file */ | |
| 30 | |
| 31 #if !defined(_SPANDSP_PRIVATE_NOISE_H_) | |
| 32 #define _SPANDSP_PRIVATE_NOISE_H_ | |
| 33 | |
| 34 /*! | |
| 35 Noise generator descriptor. This contains all the state information for an instance | |
| 36 of the noise generator. | |
| 37 */ | |
| 38 struct noise_state_s | |
| 39 { | |
| 40 int class_of_noise; | |
| 41 int quality; | |
| 42 int32_t rms; | |
| 43 uint32_t rndnum; | |
| 44 int32_t state; | |
| 45 }; | |
| 46 | |
| 47 #endif | |
| 48 /*- End of file ------------------------------------------------------------*/ |