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Introduction and Overview Spectral Audio Signal Processing
Introduction and Overview The ear is a kind of Fourier analyzer. That is, sound is spread out along the inner ear according to frequency, much like a...
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How to Find a Fast Floating-Point atan2 Approximation - Nic Taylor
Learn a Remez-derived 3rd-order atan approximation and how to build a branch-reduced, SIMD-capable float atan2 with measured speedups and small error.
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A Quadrature Signals Tutorial: Complex, But Not Complicated - Rick Lyons
Demystify quadrature signals and complex exponentials with phasor intuition, negative-frequency insight, and practical I/Q sampling for communications DSP.
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The Little Fruit Market: The Beginning of the Digital Explosion - Rick Lyons
Rick Lyons tells how a Mountain View fruit market became the cradle of the transistor industry and Silicon Valley, and why transistors matter today.
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