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Representing Images, Sound and Other Data Videos

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Sarah S. 5.0 (2)

queen mary university, london - PhD mathematics

20+ years experience as teacher and Head of Dept of Computer Science

£50 / hour
  • Qualified Teacher
  • Graduate

The videos below are from the YouTube channel Craig’n’Dave. Subscribe to keep up to date with the latest videos.

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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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