The second sentence in the video hides a bit of complexity. Pink noise isn't a straight line on the spectrum analyzer unless a correction slope is active, and t

The second sentence in the video hides a bit of complexity. Pink noise isn't a straight line on the spectrum analyzer unless a correction slope is active, and the common settings for the slope (3, 4.5) are just a convention. I guess, that's why it says "you can make it look like a straight line".