How Exactly Do You Encode For A Targeted Connection Speed?įile size is probably the first idea that pops in your head, but you shouldn't be thinking so much about the file size as the overall bitrate. It also offers one of the best algorithms for compressing your video on top of being freely available. H.264 video is supported by just about any player, browser, plugin and device available. On top of that MP4 can use the H.264 video codec and the AAC audio codec, compatibility wise they are the best choices for compressing your video. The MP4 container is almost universally supported: Apple, Microsoft, Flash, and HTML5 all offer support for MP4 (there are some outliers). The AVI container is not meant for web distribution, as it is targeted at desktop players (it is also not supported for web playback through our own players, but it is listed here to clear any confusion on the container). The WMV container requires specialized plugins and is generally only supported by Microsoft products such the Zune, or Silverlight. The FLV container is only supported by the Flash plugin, which is not supported by the new HTML5 standard and Apple mobile devices such as the iPhone. The complexity of the MOV container can cause devices to stall when playing video. When choosing between the MP4, MOV, FLV, WMV and AVI containers, MP4 is the best option. My video has no sound or picture, am I using the right codec? What is a codec anyway?Īs previously mentioned in the article linked above the container is simply a way of packaging together the audio and video stream while delineating how they are compressed. To reduce the data being pushed through your video you will have to perform a compression using a codec, which was covered in our previous article here: Unfortunately, the quantity of data present along with the bandwidth limitations of your clients, makes this an impossibility at this point in time. In an ideal world you would be able to load your uncompressed video directly onto the web and end users would be able to view the file. This problem is not necessarily a bad encoding, but it could be the result of not encoding your video to a targeted connection speed. In this article we will go over some recommendations for compressing your videos for delivery through the Amazon S3 servers.Ī scenario you might be familiar with is that you have filmed and edited your content into a package that meets your needs, but once you go to view your video on your website it takes forever to load or the video stutters during playback. How do I optimize my video for the web? Derek Stanley What bitrate should I use when encoding my video?
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