private static void swab16BitData(byte[] buffer, int offset, int count)
{
Debug.Assert((count & 1) == 0);
short[] swabee = ByteArrayToShorts(buffer, offset, count);
SwabArrayOfShort(swabee, count / 2);
ShortsToByteArray(swabee, 0, count / 2, buffer, offset);
}