last year is improved compression, going up to 7x, squeezing HD down to 3.4Mbps MPEG-4 AVC to fit up to 30 hours of HD on each disc. The top of the line BD-HDW40 features 1TB of hardware storage, dual digital TV tuners, 1080p/60 output, BD-Live, and all the oxygen-free copper cabling and anti-vibration tech one would expect, with the other three spec sheets causing predictably lowered paroxysms of pleasure for slightly lower prices.
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