White Noise (2005)
Chandra West and Deborah Kara Unger were in "The Salton Sea" and then years later "White Noise". In both films Chandra West plays the spouse of the protagonist, and in both films she dies. The protagonist then goes on a search to find out what happened to her, where he meets the character played by Deborah Kara Unger, and befriends her.
expands on actual EVP that inspired the movie
Video case is shown in a video store.
mentioned by Chris
the characters try to record EVPs based on seeing this movie