[pulseaudio-discuss] [PATCH] resampler: Never return zero for max block size

[Raymond Yau]

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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