What exactly are you talking about? What "extra" processing is there?
The 3.5mm jack is NOT coming back. Lightning headphones ARE "real" headphones. There are some darn good ones out there too. The sooner you get over it, the sooner you'll be able to move on. For better or worse, the rest of the industry tends to follow Apple. Soon all phones will have dual cameras and no headphone jacks.
The rest of the industry will not follow Apple's MFi Lightning standard which requires a royalty of $4 per unit as this would make them noncompetitive. The existing headphone jack has no royalty whatsoever and is a universal standard that no one is complaining about. Apple will stand alone on this one. Android is going to have a field day poking fun at Apple and they'd be 100% right.
Apple did not solve some headphone problem yesterday, this isn't like floppy discs making way for a superior CDR technology either. Wireless headphones have been around for 15 years and they are a small fraction of the market for a reason; they don't sound good and they are annoying to keep charged. All Apple did was batten down the hatches to try to drain every dollar of profit possible from a category of consumer electronics that they no longer can innovate in. They raised prices to increase profits, they waterproofed to avoid returns, they created a proprietary port to sell overpriced Beats headphones and collect third-party royalties. This is a classic play in the consumer electronics industry when the well of innovation runs dry.
If you want to believe Phil Schiller's pixie dust you go right ahead, some of us are smarter than that.
BJ