Make impulse and phase measurements with your Audiofrog UMI-1 Microphone kit!
Audiofrog’s new USB-Duo 2-channel sound card with dual microphone inputs makes high quality recording and dual FFT analysis simple and compact.
Works with Audiofrog’s UMI-1 for analysis and with BHM-1 for binaural recording.
Oh, it works with other prepolarized condenser microphones too.
Someone asked recently about choosing a crossover slope and asked, specifically, if using a 48dB/octave crossover would provide better protection than a 24dB/octave slope. I usually recommend 24dB/octave Linkwitz Riley slopes for several reasons. One of those is that if you connect the speakers in the
Fyi for those of you who have this polarity tester: the tester works fine, but pulses on the CD are not long enough to allow you to get a polarity reading for midbass speakers or subwoofers through low pass filters. My suspicion is that either the
I’ve posted this graphic a thousand times and other people have grabbed it and posted it 10,000 times. Maybe there should be some additional explanation because although most of us know that speakers “beam” at high frequencies, I don’t think that always translates into a real
