Understanding the Measurement of Noise When Looking at an FFT-Produced Spectrum David A. Rich, Ph.D.November 13, 2025 This article provides an overview of the information shown in the spectrum plots in Secrets reviews of components with DACs. Among these... TechnicalTechnical Reviews
How a Sine Wave is Calculated, Frequency Peaks Visualized, and Harmonic Distortion Measured Using Calculus and FFT Analysis John E. Johnson, Jr.September 4, 2025 Several Hi-Fi magazines use spectral analyzers to illustrate test signal peaks with their harmonic peaks for audio equipment. Did you ever... PrimersTechnical
The Application of Fast Fourier Transform (FFT) to Digital Audio Files John E. Johnson, Jr.May 8, 2025 The Fast Fourier Transform (FFT) is applied to digital audio files in various scenarios, especially when analyzing or processing audio data. PrimersTechnical
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