82. AQA GCSE (8525) SLR13 – 3.3 Sound
About this video
AQA Specification Reference - Section 3.3.1 - 3.3.8
This video explains how sound can be represented and stored in binary. A number of key terms are defined including sample size, bit depth and sample frequency together with the impact they have on both the quality and the file size of a sound.
Don't forget, whenever the blue note icon appears in the corner of the screen, that is your cue to take notes about the content being shown on the current slide.
00:00 Sound
00:13 Intro
00:18 What is sound?
00:42 How sound is sampled and stored in digital form
01:00 Sound wave
01:51 Sample resolution and sampling rate
04:15 Calculating sound sample sizes
05:19 Recap
06:02 Outro
Last updated: 02.05.25