AC-1, AC-2, and AC-3

Updated: 06/16/2017 by Computer Hope

dolby ac-1 ac-2 ac-3Dolby AC-1 was the first digital coding technology introduced in 1987, A development that would later become HDTV. Later in 1989, Dolby introduced AC-2, which had a better audio quality and a reduced bit-rate. Finally, in 1991, Dolby introduced AC-3, which includes 5.1 channels and operates at 320 kbps.

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Sound terms