padsp starts the specified program and redirects its access to OSS compatible audio devices (/dev/dsp and auxiliary devices) to a PulseAudio sound server.

padsp uses the $LD_PRELOAD environment variable that is interpreted by and thus does not work for SUID binaries and statically built executables.

Equivalent to using padsp is starting an application with $LD_PRELOAD set to libpulsedsp.so