Question

Design a digital sine wave oscillator with f= 440 Hz, Sample rate = 5 kHz. Can the amplitude be adjusted without multiplication?

Answer 1

given that ;

f = 440Hz

sample rate = 5 kHz

#include <stdlib.h>

#include<math.h>

void main(void)

{

float Freq,t[5000],Fs, Amp;

Amp=1;

int i,j;

Freq=440; //Hz

Fs = 5000; //5KHz

for(i=0;i<5000;i++)

{

t = i;

t = t/5000;

SineWaveSignal = Amp * sin(2*PI*Freq*t)

}

}

}