1. A method of outputting audio, comprising: progressively downloading a plurality of main audio data sets from a first server and a plurality of associated audio data sets from a second server, wherein the plurality of main audio data sets and the plurality of associated audio data sets are not interleaved on the first server and the second server; storing a multimedia container, wherein the multimedia container includes: the plurality of main audio data sets and the plurality of associated audio data sets, wherein the plurality of main audio data sets and the plurality of associated audio data sets are in a plurality of languages and data elements of the plurality of main audio data sets are interleaved with data elements of the plurality of associated audio data sets in the multimedia container; and synchronization information that synchronizes one of the plurality of main audio data sets and one of the plurality of associated audio data sets; receiving first selection information, wherein the first selection information corresponds to a first language of the plurality of languages; outputting a first audio data stream from the multimedia container after a defined amount of the multimedia container has been progressively downloaded and as the multimedia container is being progressively downloaded, wherein the first audio data stream corresponds to a first main audio data set of the plurality of main audio data sets in the first language; and outputting a second audio data stream from the multimedia container concurrently with outputting the first audio data stream according to the synchronization information, wherein the second audio data stream corresponds to a first associated audio data set of the plurality of associated audio data sets in the first language.
1. A method of outputting audio, comprising: progressively downloading a plurality of main audio data sets from a first server and a plurality of associated audio data sets from a second server, wherein the plurality of main audio data sets and the plurality of associated audio data sets are not interleaved on the first server and the second server; storing a multimedia container, wherein the multimedia container includes: the plurality of main audio data sets and the plurality of associated audio data sets, wherein the plurality of main audio data sets and the plurality of associated audio data sets are in a plurality of languages and data elements of the plurality of main audio data sets are interleaved with data elements of the plurality of associated audio data sets in the multimedia container; and synchronization information that synchronizes one of the plurality of main audio data sets and one of the plurality of associated audio data sets; receiving first selection information, wherein the first selection information corresponds to a first language of the plurality of languages; outputting a first audio data stream from the multimedia container after a defined amount of the multimedia container has been progressively downloaded and as the multimedia container is being progressively downloaded, wherein the first audio data stream corresponds to a first main audio data set of the plurality of main audio data sets in the first language; and outputting a second audio data stream from the multimedia container concurrently with outputting the first audio data stream according to the synchronization information, wherein the second audio data stream corresponds to a first associated audio data set of the plurality of associated audio data sets in the first language. 18. The method of claim 1 , wherein the data elements of the plurality of main audio data sets and the data elements of the plurality of associated audio data sets are interleaved in the multimedia container according to a physical arrangement wherein a portion of the data elements of the plurality of main audio data sets and a corresponding portion of the data elements of the plurality of associated audio data sets that are to be output synchronously are interleaved before a next portion of video data.