|Power on the equipment in your booth. Instructions here.
On the login screen, click the red arrow in the bottom right corner and choose RESTART
Once the machine has restarted, log into the PC using your EID & password.
Launch Foobar2000 using the icon on your desktop or by clicking Start > All Programs > Foobar2000
Select PC on the audiometer aux switcher. Note that the volume knob on this switcher has been disabled and does not affect output volume.
Volume knob disabled & does not affect volume.
Confirm that the large knob on the Focusrite USB Soundcard is set to maximum volume.
In the left-hand folder browser in Foobar, navigate to the test media you wish to present.
Drag the test media to the Default Playlist.
Double click on a file in the playlist to begin playing it.
Find the calibration tone for the test media you are going to present and use it to calibrate the audiometer's external input trims.
Launch OTOSuite from the desktop.
|Rearrange the windows on your screen so you can see both the Foobar media player and OTO Suite.
OTOSuite will launch and prompt you for the client details.
Fill in the relevant fields and then click OK.
|In the top toolbar, click Control Panel to toggle the left-hand control panel
In the Quick Select section of the Control Panel, under "Test Ear" choose an ear - Right, Both, or Left.
Under "Measurement", choose a transducer.
To route audio to the headphones, choose AC.
To route audio to the bone conductor, choose BC.
To route audio to the soundfield speakers, choose SF
|Confirm Foobar is playing audio. You should see content on the spectrum graph at the bottom of the screen. Note that if you are playing a continuous tone, you will not see movement on the spectrum graph but you should see at least 1 frequency bar elevated.
In the Test Options section of the control panel,set input to Line In Source A.
Activate "Stim. On" to pass audio from Foobar.
In the Monitor/Level section of the Control Panel, calibrate the audiometer's external input trims using the test tone in the Foobar.
~ Level Source A corresponds with the Left output from Foobar.
~ Level Source B corresponds with the Right output from Foobar.
|To adjust presentation volume, use the arrow Up/Dn keys on the keyboard. The reference volume will be shown in the top left of the main window of OTOSuite.
|Test and confirm all transducers are working prior to your test subject's arrival.