Representing Images, Sound and Other Data Videos
Emanuel D.
University of London - BSc Computer Science
Software Developer @ Civil Service; Previously: IT Lecturer @ College (16-Adults) with SEND students
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Bit patterns and data
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Bitmaps
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Calculating storage requirements for bitmaps
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Bitmap metadata
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Vector graphics
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Bitmap vs vectors
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Analogue and digital data signals
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Sample resolution and rate
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Calculating sound sample size
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MIDI
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Lossy vs lossless
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Length and dictionary coding
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Encryption – Caesar cipher
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Encryption – Vernam cipher
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