Audiophiles have long looked down on digital music because ... there are really only two major players in the high-end portable music space: Astell & Kern and Sony (where the Walkman brand still ...

Sony Electronics Inc. is expanding its DWX Series of true digital wireless technology with the DWM-30 professional handheld ...

Unlike today's phones, whose processing power has to drive everything from GPS tracking and photo taking to video calls and internet browsing, portable music players (or DAPs: digital audio players ..