MacRumors found a job posting on Apple's website announcing that they are looking for a "Performance QA Engineer, iPad Media". In the Job description, they say:
Build on your QA experience and knowledge of digital camera technology (still and video) to develop and maintain testing frameworks for both capture and playback pipelines.
…and
Good solid knowledge of photography, various video and audio media formats. Knowledgeable with lighting, whether artificial or ambient and how it aff
