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Video:
Format - MP4 codec, (not xvid)
Frame Rate - 25fps
Decoder - H.264,
Resolution - 1280x720,
Bit Rate - 1411kbps average; but varies according to what you upload.
A ceiling of 4028 is as high as you should ever attempt to upload.
Even that is too high for consistent performance and normally fails
with glitches n stutter on viewers browsers. The size would also be
larger with a longer upload process.
To get best YT on site transcoding, never upload videos much higher
than 2000kbps for best results. With that, YouTube will hit that
average on the mark, in conversion. That with an average on site file
size of 30 to 60mg, for an average 3-4min HD video!
Audio:
Frequency - 44,100htz (anything less or higher may not work in the any
flash player)
Codec - AAC (this is what YT uses, best if uploaded file is not the
inferior mp3 codec. As it must then be transcoded on site for HD.
Meaning upgrading data info that isn't there in mp3)
Bitrate - 128kbps
Channels - 2
Bits per sample - 16
Note: MP4a is the ffmpeg audio container and MP4v is the ffmpeg video
container.
Some Free Programs that do the job!
1. Super Converter (has some issues, but overall works great)
2. PS3Video9 (works depending on what you're converting from)
3. Any Video Converter Freeware (very good program but you will be
bugged to buy licensed version!)
4. Megui (powerful Open Source program, but not the best for a
beginner)
5. Cinelerra for Video Production and Editing (not for beginners at
all and it's Linux only) What the Pros use and there's very little
that it can't do!!!
Shareware and Pay for Programs (some can be expensive:
1. Nero Vision; (is an excellent program and is fairly simple. But
it's expensive and restrictive. Does not support MP4 720p output. So
for YouTube you will be stuck downsizing your videos before uploading
anyway)
2. Wondershare; (Awesome little program that gives you what you paid
for, pure n simple)
3. AVS4YOU; (Shareware to Payware. Good but not for "BugMeNot"
users. They don't stop at just one program to sell you either!
haha.... Plus the basic license is a subscription over n over again.)
4. Converter Studio ProHD ( Excellent, but not that simple to use.
However you do get what you pay for.)
5. TMPGEnc Express; (One of the best all around production and
conversion tools out there. You get what you pay for!)
6. Sony Vegas; (You will be paying big money for a program full of
promises that's resource hungry and simply doesn't deliver, for
YouTube users an HD file that can go direct on YouTube easily!)
7. Blaze Video Magic; (although not magic, it does the job with just
minor hiccups along the way)