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Perfect Stereo update

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This commit is contained in:
dharm pimsen 2024-01-08 17:18:41 +07:00
parent a623d567d0
commit 91bc012286
3 changed files with 23 additions and 14 deletions
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7
FMPX generator/FMPX generator.cpp
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@ -76,7 +76,7 @@ int main() {
return -1; return -1;
} }
const int framesPerBuffer = 4096; const int framesPerBuffer = 19200;
float* buffer = new float[framesPerBuffer * inputParameters.channelCount]; float* buffer = new float[framesPerBuffer * inputParameters.channelCount];
std::vector<Band> bands = { std::vector<Band> bands = {
{137, -20.2, 1, 3, 1, 100}, // Example parameters for Band 1 {137, -20.2, 1, 3, 1, 100}, // Example parameters for Band 1
@ -86,8 +86,9 @@ int main() {
}; };
float* piloToneBuffer = new float[framesPerBuffer]; float* piloToneBuffer = new float[framesPerBuffer];
float* stereoToneBuffer = new float[framesPerBuffer]; float* stereoToneBuffer = new float[framesPerBuffer];
generateSineWave(piloToneBuffer, framesPerBuffer, 192000, 19000, 0.08f); SignalGenerator::GenerateSineWave(piloToneBuffer, framesPerBuffer, 19000, 0.08f);
generateSineWave(stereoToneBuffer, framesPerBuffer, 192000, 38000, 1); SignalGenerator::GenerateSineWave(stereoToneBuffer, framesPerBuffer, 38000, 1);
while (true) { while (true) {

20
FMPX generator/PaMPXFunc.cpp
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@ -1,16 +1,18 @@
#include "PaMPXFunc.h"
#include <cmath> #include <cmath>
#include <vector>
void generateSineWave(float* buffer, int frames, int sampleRate, float frequency, float amplitude = 0.5f) { void SignalGenerator::GenerateSineWave(float* buffer, unsigned long frames, float frequency, float amplitude, int samplerate) {
const float twoPi = 2.0f * 3.14159f; const double phaseIncrement = frequency / samplerate;
float phaseIncrement = (frequency / sampleRate) * twoPi; const double cycles = frames / samplerate; // Number of cycles in the buffer
float phase = 0.0f; double phase = 0.0;
for (unsigned long i = 0; i < frames; ++i) {
buffer[i] = amplitude * sin(2.0 * M_PI * phase);
for (int i = 0; i < frames; ++i) {
buffer[i] = amplitude * sin(phase);
phase += phaseIncrement; phase += phaseIncrement;
if (phase > twoPi) {
phase -= twoPi;
}
} }
} }

10
FMPX generator/PaMPXFunc.h
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@ -1,9 +1,15 @@
#ifndef PAMPXFUNC_H #ifndef PAMPXFUNC_H
#define PAMPXFUNC_H #define PAMPXFUNC_H
#define M_PI 3.14159265358979323846
#include <cmath> #include <cmath>
#include <vector>
class SignalGenerator {
public:
static void GenerateSineWave(float* buffer, unsigned long frames, float frequency, float amplitude, int samplerate=192000);
};
void generateSineWave(float* buffer, int frames, int sampleRate, float frequency, float amplitude = 0.5f);
void mix(float* mixedBuffer, const float* buffers[], int numBuffers, int frames); void mix(float* mixedBuffer, const float* buffers[], int numBuffers, int frames);