You're probably best testing with a speaker system connected, and finding a player and file that can play 7.1 audio. Totem supports 5.1, but I don't think it supports 7.1. Mplayer or vlc may very well support 7.1 audio.
You're probably best testing with a speaker system connected, and finding a player and file that can play 7.1 audio. Totem supports 5.1, but I don't think it supports 7.1. Mplayer or vlc may very well support 7.1 audio.