AC-3: The Multi-Channel Digital Audio Coding Technology (1994)
By Craig C. Todd, Dolby Laboratories
AC-3 is a digital audio compression technology which has been designed to provide very high quality audio at bit rates on the order of 64 kb/s per audio channel. This paper will cover the background of the development of AC-3, the details of the coding techniques which allow A C-3 to achieve very high coding gains, and the features of AC-3 which offer true solutions to a number of problems inherent with audio program delivery to a broad audience.
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