AC3

AC3 is the audio format utilized by ATSC and DigiCipher II.

AC3 is supported as an optional audio standard by DVB and DSS.

AC3 is also known as Dolby Digital.

The AC3 standard is being replaced with AAC (Advanced Audio Coding), although AC3 will continue to live on for many decades due to the number of systems and networks which currently utilize it.

To learn more about AC3, visit Dolby.