pink noise is EVERY frequency played at the same time at the same "volume" level - aka 0db. so if you throw a real time analyzer in there - technically, you SHOULD see a flat graph, but everyone knows thats relativly impossible, but thats partly the entire theory around a "refrence" (aka: sound quality) stereo system.
im not too familiar with brown and white tbh //content.invisioncic.com/y282845/emoticons/tongue.gif.6130eb82179565f6db8d26d6001dcd24.gif