I see home audio folks often using FFT analysis for speaker measurements, and then RTA analysis for room measurements. It is my understanding that FFT measurements should be taken to get proper frequency response of a system or driver while 'disregarding' the effect the environment (room) has. To jog my brain a bit, as it's been a while since I've looked at software with FFT allowable measurements (I typically only use trueRTA), I wanted to bring up the topic of FFT vs RTA measurements and their use in the car audio world and home audio world.
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