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Mathematics
Quick fact
The FFT algorithm reduced the number of operations needed for frequency analysis from roughly a million (for 1,000 samples) to just 10,000—a 100x speedup that made real-time audio processing possible.
Why this is interesting
When you listen to music, your brain effortlessly separates instruments—but how does a computer do it in milliseconds? The answer is a clever mathematical shortcut called the Fast Fourier Transform.
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Subjects · study & training · careers
Choose something you are considering. FACTREE will give you a clear picture of what it contains, how its main parts connect and where it could lead.
This private catalogue connects 31 subjects, study routes and careers across six broad areas. Public Maps and learner routes remain off.
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See what programming involves, how its main areas connect, and whether you find the knowledge interesting enough to take it further.
Structuring the Programming Map…
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