```
for (int i = 0; i < n*channels; i+=channels) {
for (int c = 0; c < channels; c++)
{
// fille audio buffer data with our audio program
audio_buffer[i+c] = audio_program(c);
sample_count++;
}
}

// Write data to pcm
snd_pcm_writei(pcm, audio_buffer, n);
```
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