• IEEE 754 DSP / W3C Web Audio
Guide to Fast Fourier Transforms (FFT), windowing algorithms, sampling rates, and frequency bin resolution formulas for real-time audio analysis.
• IEC 61672-1:2013 / ISO 226
Learn the differences between dBA, dBC, and dBZ acoustic weightings, frequency response curves, and OSHA noise measurement standards.
• ISO 266:1997 / IEC 61260
Understanding 1/1 and 1/3 fractional octave band real-time analysis (RTA), ISO center frequencies, and standard acoustic measurement applications.
• ISO 3382 Acoustics / AES
How to use real-time spectrum analysis to identify room modes, axial standing waves, bass cancellation, and RT60 reverberation decay.
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Authoritative engineering articles, practical tutorials, and mathematical foundations on audio spectrum analysis, acoustic measurement, filter design, and room tuning.