FFT (DShow9) is slow when used with FileStream meaning it outputs data less frequent compared to using it with AudioIn. Also, BuffersPerFrame on FFT is down to 0.07 with FileStream and up to 0.7 with AudioIn.
Why is that? Is there a way to make FFT output data more frequently?
I’ve been using uncompressed WAV from the start. I’ve now given VAudio a try, and it seems to be working better. Changing the buffer size doesn’t seem to make a difference though, but changing the sample rate does.
For other reasons, I had to shift this part to an app based on Processing using the beads library and feeding the data to vvvv via OSC now. I can see similar issues there as well. Will have to investigate this more.