his is a digital signal that is mainly encoded by Dolby for surround sound 2
This is a digital signal that is mainly encoded by Dolby for surround sound 3
This is a digital signal that is mainly encoded by Dolby for surround sound 4
This is a digital signal that is mainly encoded by Dolby for surround sound 4
This is a digital signal that is mainly encoded by Dolby for surround sound 5