Audio

Channels	Up to 4 channels (SDI input) Up to 2 channels (HDMI input)
Codec	AAC-LC
Bitrate	32 kbps - 256 kbps per channel
Mode	Dual Mono, Dual Stereo (SDI only)
Input/Output	1x 3G-SDI input embedded audio 1x 3G-SDI output (loop through) embedded audio 1x HDMI 1.4 input