private byte[] squishWaveform16le(byte[] rawsamples2Byte, int length)
{
var result = new byte[length];
byte[] byte2 = new byte[2];
int total = 0;
int count = 0;
int max = 0;
int countThresh = (rawsamples2Byte.Length / 2) / length;
int index = 0;
for (int i = 0; i < rawsamples2Byte.Length / 2; i++)
{
byte2[0] = rawsamples2Byte[2 * i];
byte2[1] = rawsamples2Byte[2 * i + 1];
int sample = BitConverter.ToUInt16(byte2, 0);
total += sample;
count++;
max = Math.Max(max, sample);
if (count >= countThresh)
{
var avg = total / count;
result[index] = (byte)(256 * avg / short.MaxValue);
// reset!!!
total = 0;
count = 0;
index++;
}
if (index >= result.Length)
break;
}
if (count > 0 && index < result.Length)
{
var avg = total / count;
result[index] = (byte)(256 * avg / short.MaxValue);
}
return result;
}
