EET seems to be on a run of interesting articles of late - and here's the latest, about NXP's latest digital amp for smartphone speakers:
Achieving loud, rich sound from micro speakers
So yeah, smartphones are a long way from the high-end you say, so why talk about this at all? Well one sentence at the end caused me to pause and wonder how long before this kind of technology gets used where sound quality (rather than quantity) is paramount. I quote:
This leap in performance illustrates an important design trend. The days of stand-alone amplifiers and converters designed in isolation have gone.
The writer has put his finger on a major reason why the high-end of audio is a relatively stagnant pool for innovation. Pretty much everything's designed in isolation - players, amps, speakers. What if those days really are coming to an end, not just in smartphones but in quality audio too? Smartphones have the volume so there's economic...