https://www.merriam-webster.com/dictionary/wave
https://www.physicsclassroom.com/class/sound/u11l1c.cfm
https://www.dictionary.com/browse/wavelength
https://www.britannica.com/science/decibel
https://isle.hanover.edu/Ch11AudBrainLoc/Ch11InterTime.html
https://www.sweetwater.com/insync/interaural-intensity-difference-iid-2/
https://www.teachmeaudio.com/recording/sound-reproduction/fletcher-munson-curves
https://pubmed.ncbi.nlm.nih.gov/10530009/