Fri Sep 07, 2012 12:39 am
Not exactly an inexpensive workaround... but you could use the SDI to Analog converter to get the separate audio... bring it to a small mixer..mix it as you need... then connect it back in to the external audio input for the ATEM.
EDIT: And... How are you livestreaminging using the H.264 encoder? Does the livestreaming encoder software have any audio mixing capability?
ATEM 1/ME, TVS, Hyperdeck Studio, Fujitsu Lifebook NH751 USB3