Duplicate Live TV: How To Tell What Channel a Show or Movie Was Recorded From?

[ndfan77 1]

How can you tell what channel a show or movie was recorded from with Live TV?  That (pretty important detail) doesn't seem to be saved anywhere (and/or exposed in the UI anywhere).  The use case is when you're not happy with the resolution, bitrate, etc. of an important movie or series and want to record it again from a different channel.

[ebr 12964]