Sound file sizes and the quality of playback questions
Q1. What factors might affect the size of a sound file?
Q2. A sample rate is given as 65KHz. Write this out in words.
Q3. What is meant by 'codec'?
Q4. What is meant by ‘streaming music’ and describe how it works?
Q5. What is meant by ‘file compression’?
Q6. What is the difference between a ‘lossy’ codec and a ‘lossless’ codec, giving examples of each?
Q7. What is an 'analogue' signal?
Q8. What is a 'digital' signal?
Q9. What is the difference between sample rate and sample interval.
Q10. What does 'ripping a CD of music' mean?