gstreamer1.0-adapter-pulseeffects 4.7.1-1 (ppc64el binary) in ubuntu focal

 Simple plugin that gives output buffers with the desired number of
 samples.
 .
 It is used in PulseEffects to ensure that the number of audio samples
 in the buffer is a power of 2. The convolver also needs it.
 .
 This package is part of the PulseEffects project.