GCSE AQA SLR13 Representing sound 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. Also in this topic... GCSE AQA SLR13 Number bases GCSE AQA SLR13 Why hexadecimal is used in computer science GCSE AQA SLR13 Converting between decimal and 8 bit binary GCSE AQA SLR13 Converting between decimal and 2 digit hexadecimal GCSE AQA SLR13 Binary shifts