http://video.google.com/support/bin/answer.py?hl=en&answer=26562
Quality Recommendations:
If possible, we suggest uploading the original source file. However, we recommend the specifications below for maximum quality and reasonable file size:
- MPEG4 (mp3 or mp4 audio) at 2 mbps
- MPEG2 (mp3 or mp4 audio) at 5 mbps
- 30 frames per second
- 640x480 resolution
- 4:3 frame
- de-interlace
What are your technical requirements and quality guidelines for uploaded videos?
Currently, Google accepts videos in a wide range of popular formats. The fastest way to get your videos into Google Video is using our recommended specifications, such as MPEG4 format with MP3 audio or MPEG2 with MP3.
Technical Requirements:
- We accept many popular formats, such as AVI, ASF, QuickTime, Windows Media and MPEG formats. For example, .avi, .asf, .mov, .wmv, .mpg, .mpeg, .mp4, .ra, .ram, and .mod are all acceptable file extensions. Please note that we currently do not accept Flash files. Specific video codecs we accept include H.264, H.263, MPEG 1/2/4 and motion JPEG.
- The video must contain recognizable video content (video container files that do not contain video will not be accepted).
- The frame rate should be above 12 frames per second.
- The bitrate should be above 260 Kbps.
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