1) Analogue sound is received by a mic 2) The mic measures changes in air pressure and is translated to electrical voltages 3) An Analogue to Digital Converter samples the voltages at regular intervals
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4) Samples are rounded to a level and stored as binary numbers 5) It is then stored on a HDD to be later used for editing or playback
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How can the quality be increased of sound (2)
Increase sample resolution, Sample rate
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What is a pixel
The smallest addressable element of a bitmap image
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What is a Bitmap Image
It is the pattern of bits arranged in an array, each pixel is is represented by a binary number
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How can an image quality be improved(2)
Increase the resolution, Colour depth
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What is Metadata
Data the describes other data
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Pros of Lossy compression (3)
Great size reduction, Less bandwidth, Lots of software can read it
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Cons of Lossy compression(3)
Cannot bet turned back to the original, Cant be used on text, The quality is worse
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Pros of Lossless compression(3)
No reduction in quality, Files can be decompressed, Can be used on text
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Con of Lossless compression (1)
Only a slight reduction
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4) Samples are rounded to a level and stored as binary numbers 5) It is then stored on a HDD to be later used for editing or playback
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