I was surprised, that my brainstorming could have actually been tried before, so I looked into the paper, but I could only find that they used different instruments and added noise. Clearly, 1000ms of noise is not much. I think I could remember a note after hearing 1000ms of noise. Nonetheless, if volunteers with a limited amount of time and motivation can show an improvement, somebody with dedication and lots of time, can learn it too. I heard an anecdote of an old punk band lead singer who claimed, that after 30 years of playing, he finally learned absolute pitch. But that wasn't the question. The question is, how to make learning more efficient.
Assuming that, in order to learn perfect pitch, one must train differently than to learn relative pitch:
First time reader, but I listened to the whole audio version before. "Ur pnfg gur Xvyyvat Phefr ng lbh, naq gung jnf jurer vg raqrq. Gur Xvyyvat Phefr vf sbezrq bs cher ungr, naq fgevxrf qverpgyl ng gur fbhy, frirevat vg sebz gur obql." Pbhyq guvf unir pnhfrq gur pbashfvba? Gurer vf ab rkcynangvba jung unccraf gb gur fbhy nsgre vg jnf frirerq? Naq jul vf gurer fgvyy gung frafngvba jura gur anzr bs gur qnex ybeq vf fcbxra bhg ybhq?
I wonder if there is room for Bitcoin in this early retirement strategy. Or any high risk investment, like self picked stocks. What percentage could be safe to invest recklessly?
"Zvarein ZpTbantnyy: Vg'f bayl n genafsvthengvba; na navznthf genafsbezngvba, gb or rknpg—"