Dolby Digital (AC-3) audio

Sample rate

48 kHz

Sample size

16 bits/sample

Number of audio channels

2/0 (stereo)
2/1 (2 front channels, 1 rear channel)
2/2 (2 front channels, 2 rear channels)
3/0 (3 front channels)
3/1 (3 front channels, 1 rear channel)
3/2 (3 front channels, 2 rear channels)
5.1 (3 front channels, 2 rear channels, 1 low-frequency effect (LFE) channel)

Bit-rate

0.064 – 0.448 Mbps

Dolby Corporation suggests using the following bit-rates:

2/0: 0.192 Mbps
2/2 or 3/1: 0.384 Mbps
3/2 or 5.1: 0.448 Mbps

For more information, go to http://www.dolby.com.

Filename extension

.ac3

Dolby Digital (AC-3) audio