A podcast producer records a voice-over using a computer and a digital microphone.
Select one description that correctly defines how sound waves are sampled.
The wavelength of the analogue sound wave is measured at set intervals.
The frequency of the digital audio wave is measured several times a second.
The amplitude of the analogue sound wave is measured at regular intervals.
The bit depth of the sound wave is multiplied by the frequency of the wave at regular intervals.
Practise OCR GCSE Computer Science Data storage with exam-style questions for GCSE Computer Science. 42 questions, matched to the OCR GCSE Computer Science (J277) specification and written in Component 01 and Component 02 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.