Hello, Setting a higher bitrate than source video bitrate will produce a bigger file with same quality more or less ?
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In answer to your question, then yes.
If you're going to another format, you can use a much lower bit rate whilst maintaining a transparent quality (depending on the codecs being used of course). -
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libx264 is x264 so it's the best h.264 encoder. But you will still lose quality if you reencode. Unless you use lossless mode which will cause your video to grow 20 to 100 fold or more.
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keeping the same source bitrate but lowering width and height will reduce size too ?
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No, but a lower resolution can be encoded at a lower bitrate with comparable compression artefacts compared to the higher res original.
Also the choice of h.264 encoding parameters will affect the picture quality. You can choose to encode using more CPU intensive options and achieve the same quality at a lower bitrate compared to a fast encode.
Using CPU intensive encoding options doesn't necessarily mean that more powerful hardware is needed to decode the video, but you might loose compatibility with some hardware media players. Software players shouldn't have any problems as long as you've got a decent PC.Last edited by intracube; 4th Jan 2013 at 18:00.
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