21. OCR GCSE (J277) 1.2 Representing sound

OCR J277 Specification Reference - Section 1.2 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 Representing sound 00:06 Intro 00:11 What is sound? 00:35 How sound is sampled and stored in digital form 00:53 Sound wave 01:28 Sample resolution and sampling rate 03:12 Calculating sound sample sizes 04:06 Recap 04:44 Outro Comments are disabled on our videos because we want to ensure they are always appropriate to use in the classroom. However, we value your feedback, so if you have any comments or questions for us, please contact us directly at [email protected].