![]() ![]() It's also available for iOS in the Apple App Store. A handy tool for determining the amount of bandwidth you need is the AJA DataCalc app, which is available for Windows and Mac at AJA's website. XDCAM EX's 35Mb/s is actually only 4.5MB/s. Most codecs rate their speed in bits per second, whereas most hard drives publish their speeds in bytes per second. It's also important not to confuse bits and bytes. 1080p ProRes HQ, a popular editing codec, will set you back about 112GB an hour, whereas 1080p AVCHD only takes up about 11GB. The biggest determining factor is what codec and resolution you will be editing in primarily, since the amount of space that different video codecs occupy varies widely. The first step in choosing a drive is to determine how much storage space you need, as well as how quickly your data can be stored and retrieved. "The first step in choosing a drive is to determine how much storage space you need, as well as how fast your data can be stored and retrieved." ![]()
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