I'm not speaking to what I consider "real time," I'm speaking to how it is commonly used as a phrase . But given that... Yes people do say "real time playback"

I'm not speaking to what I consider "real time," I'm speaking to how it is commonly used as a phrase . But given that... Yes people do say "real time playback" with respect to video. Generally, however, that is only noteworthy to call out when its unusual. Such as "real time 16k playback."