Synchronous dialogue, wherever the voice-over is narrating the motion that is happening simultaneously, stays the most typical procedure in voice-overs. Asynchronous, however, can also be used in cinema.[2] It is frequently prerecorded and put over the highest of a movie or video and generally used in documentaries or news stories https://zanderkfdaw.blogsuperapp.com/30358123/new-step-by-step-map-for-voice-acting-online