private float[] Downsample(float[] array)
{
var wrapper = new ResamplerWrapper(1);
var processed = wrapper.Engage(array, out float[] result, 48000, 16000);
return(result);
}
private WaveBuffer Downsample(WaveInEventArgs e)
{
Buffer.BlockCopy(e.Buffer, 0, _floats, 0, e.BytesRecorded);
var resampler = new ResamplerWrapper(2);
var samplesProcessed =
resampler.Engage(_floats, e.BytesRecorded / 4, out var resampled, SampleRateIn, SampleRateOut);
if (_debug)
{
Console.WriteLine($"processed {samplesProcessed} samples");
}
Buffer.BlockCopy(resampled, 0, _buffer, 0, resampled.Length * 4);
return(new WaveBuffer(_buffer)
{
FloatBufferCount = samplesProcessed
});
}