Dev opens Lightning Digital AV Adapter, finds CPU, issues | iLounge News

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Dev opens Lightning Digital AV Adapter, finds CPU, issues

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By Phil Dzikiy

News Editor, iLounge
Published: Monday, March 4, 2013
News Categories: iPod Accessories, Apple, iPad Accessories, iPhone Accessories

Apple’s Lightning Digital AV Adapter contains previously undiscovered video processing hardware, according to developer Panic, which performed a teardown of the accessory after noting video quality issues. In testing output from an application, Panic found that the video resolution was below 1080p, and noted that compression artifacts were showing up on screen. The company discovered an ARM processor inside the adapter, and suggested that Lightning iOS devices are using a protocol similar to AirPlay to encode video before sending it to the accessory for decoding. While the presence of the processor hints at the reason the Digital AV Adapter arrived at a surprisingly high $49 price, the video degradation was a disappointment, particularly considering the prior Dock Connector version’s output capabilities.

Notably, a comment posted by an anonymous Apple employee on Panic’s blog confirmed the findings above, and attempted to explain them. “We didn’t do this to screw the customer,” the commenter said. “We did this to specifically shift the complexity of the ‘adapter’ bit into the adapter itself, leaving the host hardware free of any concerns in regards to what was hanging off the other end of the Lightning cable.” The commenter also noted that the video quality limitations may only be temporary. “Certain people are aware that the quality could be better and others are working on it. For the time being, the quality was deemed to be suitably acceptable… updates **will** be made available as a part of future iOS updates. When this will happen I can’t say for anonymous reasons, but these concerns haven’t gone unnoticed.” [via Panic Blog]

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