Digital Sound - GCSE Computer Science

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Across
  1. 2. Compression that reduces size without losing data.
  2. 7. Measuring an analogue signal at regular intervals.
  3. 8. The visual shape of a sound wave.
  4. 12. A separate audio track in a recording.
  5. 14. A number system using only 0 and 1.
  6. 16. Sound recorded using two channels.
  7. 18. The amount of storage a file uses.
  8. 19. The level of detail recorded in a digital sample.
Down
  1. 1. The number of wave cycles per second.
  2. 3. The number of samples taken per second (Hz).
  3. 4. How close a digital value is to the original sound.
  4. 5. The number of bits used to store each sample.
  5. 6. Sound recorded using one channel.
  6. 7. A single measured value of a sound wave.
  7. 9. Reducing file size by removing data.
  8. 10. A signal represented using binary values (0 and 1).
  9. 11. A continuous signal that varies smoothly over time.
  10. 13. Compression that removes some sound data permanently.
  11. 15. The height of a sound wave (volume).
  12. 17. Unit used to measure sample rate (cycles per second).