Does up-res'ing really improve the sound if the source is mp3 or AAC?

[GeoPaas]

If my source file is of a lower quality, even though it's digital ...

I'm definitely new around here, and I've immersed myself into the world of digital audio. After 25 years of excellent service, I retired my old hifi and bought into the integrated-amp-plus-streamer world of relatively...

[jimmijames]

I have FLAC to convert to Mp3, but I am clueless to filling in the correct order of things to make the finished Mp3 playable and readable on I-Tunes for starters... I have tried to figure out the exact order of things but each time I make a mess of it. HELP HELP HELP!

James McLoughli...