>> Hmm sounds like h/w problem, then.. >> It's interesting to know where the data is contaminated, whether on >> the driver level or transfer between capture and playback on >> user-space, or what else.. > >I would say on driver level: I write the data to disk right after the >snd_pcm_readi call.
i hope i'm forgetting something. you're not writing to disk from the same thread as called snd_pcm_readi are you? that's guaranteed to eliminate low latency performance ... --p
