Sometimes the sound suddenly cuts out on certain channels for about 60-90 seconds. It's happened on TSN, CTV, City, Sci-Fi and Comedy. All Bell Media channels. I know other Videotron subscribers who have the same problem with the same channels. I called my friend, who has Bell Fibe, during one of these sound outages to check if his sound was working and it was fine. This has been going on for over a year. What can be done?