Transferring web multimedia to mobile videos requires the consideration of the numerous variety but overall limited capabilities of mobile device hardware compared to desktop computers. The previously mentioned video and audio codecs emphasize accessibility, quality, and scalability. A primary factor in search engine optimization, keywords can be integrated with mobile videos by including them in multimedia metadata and text transcripts.
H.264 is one of the most popular encodings but isn't supported universally, which limits potential traffic. WebM and Theora are part of the HTML5 standard, on the other hand, which is almost universally supported since it is the latest revision of the internet ubiquitous HTML markup language. Despite the popularity of Flash video on the web, Flash is not playable on many mobile devices, making it inadvisable for mobile videos. Instead of trying to choose the single format that rules them all, providing multiple formats, either by user choice or device detection, is a solution; for example, many websites provide their video content in a hybrid Flash and HTML5 format. Going back to the HTML5 standard, it allows the inclusion of multiple files in one video element tag so that the first compatible file is played automatically.
Another thing is a resolution. Mobile device screens are fairly small, so keep video resolution small. Only use content that scales well between small, smaller, and very tiny. Mobile devices also have to consider lower bandwidth network access, which translates to the need to keep every download or viewing short and light. In this case, Vorbis and AAC are the best options as they allow for
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