Binary package “puredata64-core” in ubuntu mantic

realtime computer music and graphics system - core components (double)

 Pure Data (also known as Pd) is a real-time graphical programming environment
 for audio and graphics processing.
 .
 This package only provides the core infrastructure for the double
 precision version of Pure Data.
 Most likely you will want to install "puredata-gui" (or even the full
 "puredata64") as well.