A sound file is created by sampling an analogue sound wave.
Identify the term for the number of samples taken each second.
Mark scheme
- C Sample rate (1)
- The only correct answer is C. The correct answer is sample rate.
- A is not correct because bit depth is the number of bits used to record each sample
- B is not correct because the sample interval is the time between each sample
- D is not correct because sample resolution is another name for the bit depth
Example answers and how they were marked
Full marks1/1
C Sample rate
Why: Selects the only correct option (1).
No marks0/1
B Sample interval
Why: Near miss: the sample interval is the time between samples, not the number of samples per second (0).
No marks0/1
D Sample resolution
Why: Misconception reported in examiners' reports: sample resolution means the bit depth, not the number of samples per second (0).