Hi James, I am starting to look at this, but let me confirm that the file should be a simple uninterrupted pulse stream. (That’s what it looks like in an editor but I am hearing a once per second interruption in the sound entirely separate from SC.) Cheers, RJK > On Nov 29, 2015, at 6:06 AM, James Harkins <jamshark70@xxxxxx> wrote: > > <OffsetOut-data.scd>