Representing high-resolution media content in a lower resolution system is disclosed. For a first portion of a high-resolution media content which is associated with a content boundary that does not align with an interval boundary of the lower resolution system, a new media content file that includes at least said first portion of the high-resolution media content is created. The new media content file and a second file comprising at least a second portion of the original media content file, which second portion begins at a first interval boundary and ends at a second interval boundary of the lower resolution system, are provided to the lower resolution system.