What you're looking at above is a demo board carrying a next-gen Wolfson WM5110 audio chip for smartphones. This bit of silicon isn't in any market-ready handsets just yet, hence the DIY setup, but given Wolfson's well-cemented partnership with Samsung there's every chance this'll be the audio hub in the next Galaxy S, as well as potentially in other manufacturers' phones coming out in 2014.
One of the WM5110's headline features is