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I tried this with the video provided in the comment. The reason why the 1080p video is smaller is because it has a lower bit-rate (327 vs. ~207 Kbps). In the case of this type of content its likely that the bit-rate for the 720p version is too high. Same for the audio the 1080p version has 96 Kbps and the 720p version has 144-155 Kbps. A possible reason why ...


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Some considerations for coding H.264 videos for Youtube. I've created my own Sony Vegas rendering templates following those guidelines: Bitrate Youtube recommends a bitrate of at least 5.000kbps for standard, and 30,000kbps for high quality 720p video. 400MB into 12 min corresponds to 4,000kbps, which is close to youtube's minimum recommendation. Select ...


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Youtube stores whatever you upload and transcodes to other formats using their own versions of multiple compression formats including h.264 and webm. All transcodes go from the same original file that you upload and are stored after transcoding. Youtube may change the options used from time to time and save new encodes of the video. Encodes are generally ...


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I've answered a similar question some time ago. YouTube added a few codecs since then but all the info there still applys: What codec will my Youtube uploads be output in and what codec should I use to upload? Short answer: Yes if you are concerned about maximum quality a lossless codec or visually lossless codec is the way to go. Re-encoding always means ...



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