Hello Tanu, > I'm not sure if you mentioned this already before (sorry for not > bothering to check), but is the PA version the same between the > machines? If not, then something may have been fixed in PA, but in any > case it seems more likely to me that there was some change in the kernel > driver or alsa-lib that fixed the issue that makes PulseAudio conclude > that the sound card doesn't support 44100 Hz. raspbian comes with PA 2, but I did compiled PA 5, just to discard this type of problems, you can see the output here and yes both test are with PA 5: http://lists.freedesktop.org/archives/pulseaudio-discuss/2014-October/022015.html I don't think there is a kernel driver or alsa-lib bug because other software like the Music Player Daemon haven't problem using the alsa device with only 10% of cpu usage (mp3 decoding), but with mpd Pulseaudio output or any other program (local or remote) cpu is 100% ... you known music is 44100 and PA detects a 48000 sound card so it needs resampling. That I don't understand is how PA determines sound card capabilities.... any clue?