November 7, 2006
This is a quick reference for those of you
considering hosting of video media and require
Typical costs listed here for general reference only.
Actual cost depends on your particular situation & exact requirements.
Video is very demanding, and the slightest drop in quality and
performance is very noticeable and affect the viewers' experience
significantly. A lot of care must be put into optimizing the media.
Beyond storage size, bandwidth & traffic, file format conversions; there
are many highly technical aspects to consider. These are fall beyond the
scope of this document. I'll list a few common factors here:
- Video resolution
- Aspect Ratio
- Frame Rate
- Video & Audio Codec
- Video Bit Rate
- Audio Sampling Rate
- Audio Channels
- Audio Bit Rate
- Source Material Format consideration (film/NTSC/PAL)
- Padding, Cropping, Stretching, Pan & Scan
- Audio Dynamic Range & Loudness compensation/re-encoding
- Player Requirements considerations