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 ? 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)
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