Install libpulsedsp by entering the following commands in the terminal:
sudo apt update sudo apt install libpulsedsp
PulseAudio OSS pre-load library
PulseAudio, previously known as Polypaudio, is a sound server for POSIX and WIN32 systems. It is a drop in replacement for the ESD sound server with much better latency, mixing/re-sampling quality and overall architecture. . This package provides the pre-load library used to redirect applications using OSS through pulseaudio.