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Year 10 Computer Science - Compression

Across
The number of pixels that an image contains is called this e.g., 256 x 256, 640 x 480, 1024 x 764.
This is the number of samples recorded in any given period of time.
A method of reducing file sizes, particularly in digital media such as photos, audio and video.
This is estimated by an image's height in pixels, the image's width in pixels and the colour depth per pixel.
The number of bits used to record each sample of audio.
Files contain extra data called this.
A way to describe how tightly packed the pixels in an image are.
The number system most commonly used by people. It contains 10 unique digits 0 to 9. Also known as decimal or base 10.
A type of data that a microphone captures and then converts it into a digital signal.
Down
No data is lost from this type of compression.
This is a measure of how much data is processed for each second of sound.
This is the range of colours available in an image.
A number system using 16 symbols from 0-9 and A-F, also known as base 16 and hex.
Another way to describe pictures.
A number system that contains two symbols, 0 and 1. Also known as base 2.
This is where some data is discarded and discarded in compression.