1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*
* SoundProcessor.cpp
*
* Created on: 14 Nov 2015
* Author: jeremy
*/
#include "SoundProcessor.h"
#include <vector>
#include <algorithm>
#include <cmath>
namespace Sound
{
Sound SoundProcessor::Muffle(const Sound& sound, float m)
{
//XXX Need to check m!
const std::vector<short>& soundData = sound.GetInternalData();
std::vector<short> newSoundData(soundData.size());
const float gamma = -3.0f / (m * soundData.size());
for(std::size_t i = 0; i < newSoundData.size(); ++i)
{
newSoundData[i] = soundData[i] * std::exp(i * gamma);
}
return Sound(newSoundData);
}
} /* namespace Sound */
|
