1. In television, radio, and on the internet, any presentation that is broadcast at the same time as it is being produced and so is unedited. Liveness is an important characteristic that distinguishes (live) television broadcasts from film showings; and radio broadcasts from audio recordings.
2. The real-time status of synchronous communication.
3. A synonym for immediacy (especially in news), which connotes both topicality and authenticity, in the sense that there is less opportunity to shape the presentation through the medium by editing. The American performance theorist Philip Auslander considers liveness to be the ideological means by which mediated representations are naturalized. See alsomediatization.
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