Dolby Labs has introduced their newest audio coding system: AC-4.
It offers 5.1 and Atmos Surround Sound for TV and other applications at data rates a fraction of those used by AC-3 and Dolby Digital.
5.1 Surround Sound can be transmitted with only 96kbps rather than 384kbps required for AC-3.
https://hub.dolby.com/hearing-is-believing-comparing-dolby-ac-4-to-dolby-ac-3/
It offers 5.1 and Atmos Surround Sound for TV and other applications at data rates a fraction of those used by AC-3 and Dolby Digital.
5.1 Surround Sound can be transmitted with only 96kbps rather than 384kbps required for AC-3.
https://hub.dolby.com/hearing-is-believing-comparing-dolby-ac-4-to-dolby-ac-3/