Async 1.8.0
AsyncAudioNoiseAdder.h
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1
28#ifndef ASYNC_AUDIO_NOISE_ADDER
29#define ASYNC_AUDIO_NOISE_ADDER
30
31
32/****************************************************************************
33 *
34 * System Includes
35 *
36 ****************************************************************************/
37
38#include <string>
39
40
41/****************************************************************************
42 *
43 * Project Includes
44 *
45 ****************************************************************************/
46
47
48
49/****************************************************************************
50 *
51 * Local Includes
52 *
53 ****************************************************************************/
54
55#include <AsyncAudioProcessor.h>
56
57
58
59/****************************************************************************
60 *
61 * Forward declarations
62 *
63 ****************************************************************************/
64
65
66
67/****************************************************************************
68 *
69 * Namespace
70 *
71 ****************************************************************************/
72
73namespace Async
74{
75
76
77/****************************************************************************
78 *
79 * Forward declarations of classes inside of the declared namespace
80 *
81 ****************************************************************************/
82
83
84
85/****************************************************************************
86 *
87 * Defines & typedefs
88 *
89 ****************************************************************************/
90
91
92
93/****************************************************************************
94 *
95 * Exported Global Variables
96 *
97 ****************************************************************************/
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99
100
101/****************************************************************************
102 *
103 * Class definitions
104 *
105 ****************************************************************************/
106
121class AudioNoiseAdder : public AudioProcessor
122{
123 public:
135 AudioNoiseAdder(float level_db);
136
140 ~AudioNoiseAdder(void);
141
142 protected:
154 void processSamples(float *dest, const float *src, int count);
155
156 private:
157 float sigma; // Standard deviation of the generated noise
158 float z1;
159 bool generate;
160 unsigned int seed;
161
162 AudioNoiseAdder(const AudioNoiseAdder&);
163 AudioNoiseAdder& operator=(const AudioNoiseAdder&);
164 float generateGaussianNoise(void);
165
166}; /* class AudioNoiseAdder */
167
168
169} /* namespace */
170
171#endif /* ASYNC_AUDIO_NOISE_ADDER */
172
173
174/*
175 * This file has not been truncated
176 */
AsyncAudioProcessor.h
The base class for an audio processor class.
Async::AudioNoiseAdder
A class to add gaussian white noise to an audio stream.
Definition AsyncAudioNoiseAdder.h:122
Async::AudioNoiseAdder::AudioNoiseAdder
AudioNoiseAdder(float level_db)
Constuctor.
Async::AudioNoiseAdder::processSamples
void processSamples(float *dest, const float *src, int count)
Process incoming samples and put them into the output buffer.
Async::AudioNoiseAdder::~AudioNoiseAdder
~AudioNoiseAdder(void)
Destructor.
Async::AudioProcessor
The base class for an audio processor.
Definition AsyncAudioProcessor.h:119
Async
Namespace for the asynchronous programming classes.
Definition AsyncApplication.h:76
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