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2.4

Digital & Analogue

ADC and DAC conversion, sampling, Nyquist theorem, aliasing, bit depth, quantisation, and the complete signal chain.

Learn

Start Learning

Step-by-step walkthrough with animated diagrams and inline quizzes

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Explore

Interactive

ADC Explorer

Explore how analogue sound is converted to digital data. Adjust sample rate and bit depth to see how they affect the quality of the digital representation.

15-20 minutesOpen →
Interactive

Signal Chain Builder

Reconstruct the complete audio signal chain from acoustic sound through digital processing and back. Drag components into the correct order to build the path from microphone to speakers.

10-15 minutesOpen →
Interactive

Digital & Analogue Audio Explorer

Visualise how analogue-to-digital conversion works — see sampling, quantisation, and bit depth in action. Explore the relationship between sample rate, bit depth, and audio quality through interactive simulations.

25-35 minutesOpen →

Revise

Start Revision

Test your knowledge with multiple choice, calculation, and short answer questions

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Exam Mode

Answer every question once under timed conditions — you can't return to change answers.

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