Resource
amroc Room Mode Calculator
Free online room-mode calculator from acoustic consultant amcoustics. Enter room dimensions to calculate room modes, with accompanying articles explaining what room modes are and how to deal with them.
Verification sources
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ARTA is a PC sound-card measurement suite combining impulse and spectrum analysis, stepped-sine testing and loudspeaker impedance measurements. Version 1.9.8 became freeware in December 2024 after ARTALABS closed, so this is an available software resource rather than an active software company.
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Dayton Audio OmniMic V2
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Dayton Audio OmniMic V2 is a calibrated USB microphone and Windows measurement-software system for speakers and listening rooms. Its tools include frequency and impulse response, distortion, reverberation, bass decay and polar plots, with software tied to the supplied microphone hardware.
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