Good point.
I will generate a few test files other than 16bit and see if aplay and my hardware can handle that!
I’ll post as well once I create them… if you are interested to try
I do not have Jack set up. That I know of. Need to learn something about that. However I heard jack sits on ALSA, so I think there’s no harm going direct to ALSA
I guess I just need an example of connecting using better format than 16 bit 