On Thu, 2013-08-29 at 12:10 +0300, Tanu Kaskinen wrote: > On Thu, 2013-08-29 at 15:15 +0800, Raymond Yau wrote: > > With very low input sample rates the memory pool max block size may > > > not be big enough, in which case we should return the size of one > > > frame. Returning zero caused crashing. > > > > > > > > http://freedesktop.org/software/pulseaudio/doxygen/sample.html Sample Rates > > PulseAudio supports any sample rate between 1 Hz and 192000 Hz. > > > > Is pulseaudio used for scientific purpose to support 1Hz ? > > I'm not aware of anyone using 1 Hz sample rate for anything, especially > for the input rate, which is what this patch deals with. Very low rates > are can be useful for output for determining the signal level, although > 1 Hz is probably too low rate even for that (pavucontrol uses 25 Hz for > the volume meters). > > > you need sampling at 40Hz to record the peak and bottom of 20Hz human > > audible signal (quality is quite bad at such low sampling rate) > > Yes, that's a valid reason for defining a minimum rate, but I don't > really see any practical benefit in doing so, so why bother? No further feedback received, I have now applied this patch. -- Tanu
