Hey guys, this is my first post here in this forum. I look forward to your responses

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Well, our TV has a digital audio out port and no other audio out ports. My roommate has a sony shelf stereo system with a PC input (3.5mm jack) that I was hoping to connect to the tv.
My question is: What is the cheapest way (if any) to go from digital audio out on our TV to a PC in on my stereo?
There are no other audio out ports on my TV and there are no other audio inputs on the stereo.
I don't think there is currently a one step conversion, but a two step process is fine.