Missing fundamentals

A

asulger

Member
A friend found this web site of illusions. I think the audio ones are recent - the 'missing fundamentals' puzzle seems to be one that explains how mastering engineers make strong sounding bass on speakers that drop off at 100 hz or so. There are two audio ones on the right (Sound and Music icon)
Audio Puzzles
Just for theorie's sake, how many overtones are needed and how strong should they be to give the strongest fundamental illusion?
Art
 
that's pretty sweet.




but they've made a mistake with the fundamentals. i think they've got like 5ths in there or something, they're not all integer harmonics, the 2nd and the 4th are wrong..



but there's some pretty wicked visual ones on there too!
 
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