Images, characters, sound

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Across
  1. 1. temporary reduction of file size
  2. 3. An older character set that can only represent 128 characters in 7-bit binary code
  3. 7. extra information about an image e.g. the height, width, or colour depth
  4. 8. the number of bits in each pixel
  5. 10. how good the quality of an image is
  6. 11. The number of bits in each sample
Down
  1. 1. Permanent reduction of file size
  2. 2. The current character set that uses 16-bit and 32-bit binary to represent millions of characters
  3. 4. the amount characters a computer can recognise
  4. 5. measuring the height and amplitude of a digital sound wave
  5. 6. How many samples taken in a second - measured in kHz
  6. 9. tiny squares of an image that make up an image, each with a unique binary code