![]() If you decide to do SPL calibration, you will need to generate an acoustic signal of 94 dB at the microphone tip. In that case, you may prefer to use the Magnitude Response graph instead to avoid confusion. Without performing the SPL calibration step, the measurements will be correct but the absolute SPL readings in FuzzMeasure's Sound Pressure Level frequency response display will not be correct. Then near the top of the window, select that calibration file from the drop-down menu. Click on the "+" icon and select the calibration file you saved in step one above to add it to FuzzMeasure's list of calibration records. From the Window menu, select Microphone Calibration. Set the output device to operate at 48000 Hz (48 kHz), the same sample rate as the UMIK-1:įinally, load the calibration file for your UMIK-1 into FuzzMeasure. Select one or more output channels to send the measurement signal to.Īlso set the input device under Record Settings to the UMIK-1 and select Channel 01.Ĭlick on the Configure button for the output device to open it in the Audio MIDI Setup program. At the right, the HDMI output device is being used. ![]() In the example above, at the left the inbuilt analog or digital output is selected. Set the output device under Playback Settings to your chosen output device. The toolbar across the top has several handy buttons that we will use below:Ĭlick on the Capture Settings button. This photograph shows the UMIK-1 connected to a MacBook Pro and a Mini DisplayPort to HDMI adapter cable for audio output: Your Mac's optical digital audio output connected to a DAC or A/V receiver.The inbuilt analog line output with a 3.5 mm to RCA adapter cable.You will also need to connect your Mac to generate audio output through your system. Connect the UMIK-1 to your Mac using the supplied USB cable. Mount the UMIK-1 into the small stand supplied with it, or if you like, you can use any other microphone stand. The calibration file ensures that measurements made with your microphone are as accurate as possible. On the UMIK-1 page, enter your microphone's serial number to download its unique calibration file. In this app note we will show you how to get started with the UMIK-1 and FuzzMeasure Pro. FuzzMeasure Pro is an easy-to-use acoustic measurement program for Apple Mac computers.
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