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but hypothetically you could send a digital encrypted signal over the audio 3.5mm jack, provided that the receiving device has an ADC and can decrypt.



So D > A > Encr. A > D > A > Ear?

In practice that sounds ridiculous.


There are a lot of ridiculous things going on every day in many areas of life that are there just because someone wants to make a buck.


All of DRM sounds (and actually is) ridiculous.




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