Best Quality of H.264 for YouTube?

HighRise955

Member Joined: Jan 28, 2012 15:26 Messages: 78 Offline

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Mar 25, 2012 05:48

I'll assume this question has been asked and answered even though I couldn't find anything in a "Search" of the forums.

I am producing a video for Youtube in 16:9.

Which of the following 1920 x 1080 profiles produces the best result?

I am not sure what the "50i" and "50p" mean, nor which is better. Same goes for the "(24 Mbps)" and "(28 Mbps)" though I assume the "28" is better.

Any input would be appreciated.

HighRise

bolda

Member Location: Liberec, Czech Republic Joined: Feb 02, 2011 15:10 Messages: 96 Offline

Mar 25, 2012 07:19

Hi:

First off, "i" stands for interlaced while "p" means progressive (http://www.axis.com/products/video/camera/progressive_scan.htm).

The Mbps, megabits per second, figure is the data flow bitrate and yes, presumably, the higher this value, the better image quality. It could be useful to look at this in your source files. (However, you'll have to do this outside PowerDirector. The other day, I got a recommendation on this forum to use Splash Lite video player, which can show the video bitrate.) I think that PowerDirector can increase the bitrate but I doubt the image quality is actually very much increased by this.

I don't know any exact numbers but I suppose YouTube downgrades the image quality if it's too high. You might simply want to experiment with a short video and produce it using different profiles.

Have you considered using the YouTube upload feature in PowerDirector? A wmv file is produced in this process. Hopefully Cyberlink engineers optimized this choice from the quality and production time's points of view...

Loveclose

Member Joined: Feb 20, 2012 08:49 Messages: 76 Offline

Mar 25, 2012 11:23

I did an upload to FaceBook using the built in direct to Facebook feature.

Works well The meek shall inherit the earth, if that's ok with everyone else....

James1

Senior Contributor Location: Surrey, B.C., Canada Joined: Jun 10, 2010 16:20 Messages: 1783 Offline

Mar 25, 2012 12:11

Hi,
I find that if you pload directly from PD10 to you tube you get good quality, but it is a predetermined resolution, where as if you upload through your browser from a saveed format you can get a higher resolution by selecting your preferred resolution.
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bolda

Member Location: Liberec, Czech Republic Joined: Feb 02, 2011 15:10 Messages: 96 Offline

Mar 25, 2012 16:00

Well, there are only a handful of predetermined resolutions available on YouTube and the choice of those within the YouTube upload feature in PowerDirector simply match them. 1920x1080 is included...

CubbyHouseFilms

Senior Contributor Location: Melbourne, Australia Joined: Jul 14, 2009 04:23 Messages: 2208 Offline

Mar 25, 2012 16:59

Hi Highrise

The information below comes direct from Youtube:

Supported YouTube formats
YouTube supports a wide variety of the range of video formats in use. You can get a quick overview of what may be an issue with your video's formatting by taking a look at the warnings and error messages that we communicate to you while you're uploading your video.

Here is a list of some well-known formats that YouTube supports:

WebM files - Vp8 video codec and Vorbis Audio codecs
MPEG4, 3GPP and MOV files - Typically supporting h264, mpeg4 video codecs, and AAC audio codec
AVI - Many cameras output this format - typically the video codec is MJPEG and audio is PCM
MPEGPS - Typically supporting MPEG2 video codec and MP2 audio
WMV
FLV - Adobe-FLV1 video codec, MP3 audio
Here is a list of some common formats that YouTube does NOT support:

Project files: No project files of any kind are acceptable. It is generally very easy to convert project files to a supported format.
MSWMM and WLMP: You can easily convert these project files to .WMV.
Audio files (MP3, WAV, etc.) and Image files (JPG, PNG, etc.): Convert these files to video slideshows.
More

I personally use the same as the source files - mostly AVCHD

Youtube does re-render/re-produce your videos that you upload but I'm not sure to what profile Happing editing

Best Regards

Neil
CubbyHouseFilms
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My Vimeo Channel
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Bastian74

Senior Member Joined: Dec 06, 2010 12:12 Messages: 204 Offline

Mar 25, 2012 17:56

Youtube transcodes to 1080 P30 at 6mbps mp4, 720 P30 at 3mbps mp4, and lower resolutions I did not check.

HighRise955

Member Joined: Jan 28, 2012 15:26 Messages: 78 Offline

Mar 25, 2012 18:02

Thanks guys for all the info. I really appreciate it.

HighRise