Reco wrote: > FL = FL + 0.707 * FC + 0.707 * BL
With mediainfo(1) as recommended by Mr. Smedegaard, I got this $ mediainfo ford-v-ferrari-2019.mkv | grep -i channel Channel(s) : 6 channels Channel layout : L R C LFE Ls Rs Channel(s) : 6 channels Channel layout : L R C LFE Ls Rs L = left, R = right, C = center? LEF = low-frequency effects? [1] Ls, Rs = left and right subwoofers? [1] https://en.wikipedia.org/wiki/Low-frequency_effects -- underground experts united http://user.it.uu.se/~embe8573 https://dataswamp.org/~incal
