Why Digital?

If you’re not yet convinced that digital is the way to go, here are a few points to consider:

Problems with analog format:

• Inferior image and sound quality compared to digital
• Difficult to start/stop precisely.  This makes transcribing and locating segments cumbersome and time-consuming.
• Difficult to add captions/subtitling without sophisticated equipment
• Not very portable; requires VCR on hand to view data
• Storage

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Digital advantages:

• Better quality for your money.  Improved resolution, signal-to-noise ratio, and color quality compared to analog formats.
• Easy to start/stop precisely.  Segments can be cued and located instantly.  Transcribing (requiring repeated replays of a particular segment) becomes simplified.
• Video editing is greatly simplified because the video can be transferred to the computer without conversion, digitally edited on-line, and then copied back to a digital tape or other media.
• Captions, subtitles are easy to add.
• Compressed video is easily stored and accessed.
• No loss of image quality when transferred from camera to computer.  Does not degenerate over time or with repeated usage.
• Allows multiple camera views to be displayed.

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Last revised by Sujai Aug 5,2002

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