Hi Takashi, Thank you for your hints, I actually applied them all. The only question that I have is... On 03.02.2021 19:07, Takashi Iwai wrote: [snip]> > - Don't PCM stream names need to be unique? They are all the same > string.What did you mean here? Substream names?> > thanks, > > Takashi >-- Anton Yakovlev Senior Software Engineer OpenSynergy GmbH Rotherstr. 20, 10245 Berlin