In the database, the term SPSD is used. It is located on the host computer that helps to access connected dumb terminals. It is usually running on under multitasking, time-sharing operating systems, that enables you to use multiple processes to run simultaneously on a host computer accessing a single DP. It is not used for end user's sides, that's why it is not correct.
check to see if you have headphones or snything plug in to it that might take the sound if not try restarting your computer, or your speakers are broken with water damage or over use
