The presence (persistence) of sound at a given point due to repeated reflections from walls, ceiling, floor, furniture, and occupants in a room.
"I am extremely delighted with my new CD. Several of the songs on the LP were never made available on a CD, but there was one song in particular I remembered and wanted to hear again. I wasn’t certain about the technical details when offered a choice of sound quality, so I left it to your team of experts. I considered an LP to CD transfer ..."