When 480p30 is broadcast on air, it is frame doubled then interlaced to 480i60. In case of 480p24, it is processed using the 3:2 pulldown technique to 480i60. In both cases the spatial resolution doesn't change, but the conversion to a interlaced format allows a direct digital to analog conversion for eventual broadcast on the analog television network.
Next, go to CloudFront from the Networking & Content Delivery section of the AWS console service list. If you have already opened CloudFront, it may also be in your history for quicker access. From here, you can create a new web distribution by clicking on Create Distribution.
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