Elena ``of Valhalla''

Elena ``of Valhalla'' at

jmtd → log → Sound effect pitch-shifting in Doom
My previous blog posts about deterministic Doom proved very popular. The reason I was messing around with Doom's RNG was I was studying how early versions of Doom performed random pitch-shifting of sound effects, a feature that was removed early on in Doom's history. By fixing the random number table and replacing the game's sound effects with a sine wave, one second long and tuned to middle-c, I was able to determine the upper and lower bounds of the pitch shift.

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