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Video Filenames - TreetWiki

Video Filenames

From TreetWiki

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(Summary of Format Codes)
(Which One Should I Watch?)
=== Which One Should I Watch? ===
=== Which One Should I Watch? ===
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The _169d files are the true HD quality and can be rather large. These are for showing on a large screen format or living room TV and a significant download. Generally they will not play on portable devices like iPhones or iPods.  
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The _169a files are '''recommended for general web viewing''' and approximate the default data rates and frame sizes you see on sites like YouTube.   These flies will ''not'' play on iPhones, iPods and many other portable devices because they use advanced encoding settings to achieve high web quality with minimal download size.
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The _169c files are the ones embedded in the website and available in the iTunes podcast feeds. Larger files than the 4:3 SLCN versions (roughly about double).
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The _169g files are '''recommended for general download for devices''', such as iPhones and other portable devices.  The frame size is small, but the quality is excellent and the file size is manageable.
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If you are getting feedback that the _169c versions are causing stress for people to download or watch as an embedded progressive download on the website we are keen to hear about it. We don't want to downgrade these if negative comments are from a few vocal users but there are lots of happy silent ones.  However, if it is a consistent trend that most people can't easily watch them we definitely want to adjust the size/quality.
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The _169c files are equivalent to the YouTube "high quality" viewing mode and will display very good quality on the web but may cause significant buffering for many people and may not play so they should be reserved as an option for those wishing for better quality.
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The _169d files are the true HD quality and can be rather large. These are for showing on a large screen format or living room TV and a significant download. They will not play on portable devices like iPhones or iPods at all because the H.264 encoding is too complex for Apple devices, though they may play on some other portable devices.
[[Category:Reference]]
[[Category:Reference]]

Revision as of 10:06, 17 May 2009

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