User blog comment:Damac1214/Call of Duty: Ghosts will utilize Voice Commands via Kinect/@comment-27360345-20130527132707/@comment-98.109.0.117-20130527140843

I wouldn't worry about it. I remember old games like Socom for the Ps2 or even Mario party just using a mic for that to work. I think they'lll just let Ps4 users use their mics.