Kodak CD-R Ultima 80 - 1x-8x Speed. 700MB/80 Min - Recordable
Price is below average
Current Price
$3
Average
$3.97
Min Price
$1.94
Max Price
$7
Price dynamics
24%
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Product review & video
If you look at a blank CD-R, odds are you’ll
find these two numbers. 80 minutes of audio, and 700 megabytes of
data. You may be surprised to learn that these two
numbers don’t match. See, let’s take the 80 minute figure. We know that the Compact Disc Digital Audio
standard consists of 2 16 bit streams (2 because it’s stereo audio) each consisting of 44,100 samples per second. Let’s make it a bit easier and say that
it’s one stream of 8 bit words or bytes, so by doubling 44,100 twice (once for stereo,
once again to turn 16 bits into 8), we find that it’s 176,400 bytes per second. Multiply that figure by 60 for sixty seconds
per minute, and again by 80 for our eighty minute runtime, and you get… 846,720,000 bytes. It would seem that an audio CD holds over
146 more megabytes than a data CD. What gives? We interrupt this program for a marginally
important message. In the computing world the
