Bits = W x H x D
Width (pixels) x
Height (pixels) x
colour depth (bits)
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Audio file size equation
Bits =
Sample rate (Hz) x Bit depth x Length (secs)
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What are the groups of bytes called?
Name, number of bytes, convert from the last unit
Byte (2^0)
Kibibyte (2^10) x1024
mebibyte (2^20) x1024
gibibyte (2^30) x1024
tebibyte (2^40) x1024
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What are the advantages of data compression?
Less bandwidth needed for down/uploading
transfer time is faster
less storage space needed
reduce congestion on the internet
audio and video files can be streamed
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What are the two types of data compression?
Lossy and Lossless
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Other cards in this set
Card 2
Front
Audio file size equation
Back
Bits =
Sample rate (Hz) x Bit depth x Length (secs)
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