>>105728581
It's a long weekend bby.

>Apply that same concept to the sound specturm or whatever its called.
Yes. It's called a modem. People younger than you used them to connect to the internet. Before that, they would send small packages of data only.

Unironically,
>transmit data through audio
LITERALLY my job, and people make fun of my job because it is obsolete in the face of the internet. Because the internet already works on this concept. You certainly have a $1b idea here -- if you were born just after World War II.

>Nevermind already exists.
Even for zoomers, it's already appeared in consoomer media
https://github.com/shilrobot/bangaio

>Would be cool it interweave it through music without anyone but the listener picking it up.
1- for what use case
a. why do you think EW considerations don't apply to mechanical wave perceptible audio
i) this already happens and people have drawn images with sound visualizers by interleaving audio at such a rate that listeners don't hear the difference but spectrum analyzer visualizrs can show it