LEARNit Dictionary
surround sound
noun
/səˈraʊnd saʊnd/
UK
/səˈraʊnd saʊnd/
US
1
a system for reproducing sound using several speakers(= the pieces of equipment that the sound comes out of) placed around the person listening in order to produce a more realistic sound
صدای فراگیر, سیستم صدای فراگیر