Representing Sound - OCR GCSE Lesson

This teaches students how sound is is sampled and stored in a digital form along with what is sample rate, bit depth, and duration of sound files. It has been specially created for the OCR GCSE Computer Science (J277) course, meaning there is no irrelevant content from other exam boards. This resource consists of a PowerPoint presentation, a worksheet with answers, custom exam-styled questions with a mark scheme, and a full lesson plan. See the video and the preview image to see what is included!

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Duration: 1 Lesson

This resource is designed to cover:

• Analogue waves.
• How sound is sampled and store in a digital form on a computer.
• Factors affecting sound quality: sample rate and bit depth.
• Calculating the size of sound files.
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  Other complete lessons in Unit 1.2:

1. RAM, ROM, and Virtual Memory (Primary Storage)
2. Units of Storage
3. Secondary Storage
4. Binary Crash Course
5. Representing Images
6. Representing Sound (Current)
7. Representing Characters
8. Compression