How does our brain recognize a sound (musical or otherwise) as pleasant?
In: Biology
Youre question is very broad but ill give a few answers for wat i think ure looking for.
I make music and mix songs and usually the unpleasant sounds are the ones with unbalanced harmonics (very high frequencies at a very narrow range which makes them piercing) another thing, if you ever heard the mock emergency warnings or idk what their called (when a country is going through an emergency and your phone keeps playing that alarm sound)they usually play notes that carries lots of tension (these are ones where ur brain is expecting to hear a more stable tension free note afterwards) and never play any stable notes and it just goes back and forth between abt 2 notes only usually (this is my analysis of the alarms i could be wrong)
So, unbalanced frequencies range, tense/unstable notes would give u these unpleasant sounds ure talking abt. There could other things that i havent mentioned as well maybe like timbre(texture of the sound)
Our brains dread anything we dont recognize or never heard before, so if you play some synth and it sounds scary chances are because its an unfamiliar sound that u cant relate anything to
Edit: i misread the title i thought u wrote “unpleasant” same things apply the other way around tho. should be a viable answer regardless
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