![]() If you are using a USB microphone your computer's headphone output can generate the test signals REW uses, no soundcard needed and no need for soundcard loopback calibration. The MiniDSP UMIK-1 is recommended and has calibration data in an REW-friendly format, see This mic can also be purchased from our recommended vendor Cross Spectrum Labs for a bit more, with the added benefit of additional 45 and 90 calibration files that are useful for acoustics measurements. If the cal file also has sensitivity data in a format REW recognizes, it can also act as a calibrated SPL meter. Such a mic can be used for low frequency or full range measurements. The easiest setup for capturing measurements is a USB microphone that comes with a calibration file. REW Connections Using a USB Microphone such as MiniDSP UMK-1 (recommended combo, simplest connections and most economical) ![]()
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