This page explains how to present audio stimuli from an Researcher PC with a Mark of the Unicorn (MOTU) soundcard to a test subject in the CMA 2 CSD Clinic Audiology Booths.
This workflow addresses playback non-typical multi-channel media using Adobe Audition and is not for use by audiology students performing standard patient diagnostics. For playback of stardard mono or stereo media typically used in audiology testing, see How to Present External Stereo Audio Stimuli from PC - MOTU Soundcards
Sections of this Document
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The audiometers in Booths B, E, F & G have external inputs which are fed from an Audiometer Aux Switcher which allow CD, iPod & PC external sources to be presented to the test subject. ![]()
In Booths B & E, the Researcher PC has an 8-channel Mark of the Unicorn (MOTU) 838 USB soundcard. This device is capable of recording up to (2) mic or (8) line sources and playing back up to (8) channels of audio. Outputs 1 & 2 are the primary outputs (aka default Windows playback device) from the computer. These outputs feed to the audiometer via the Audiometer Aux Switcher. Outputs 3 - 8 feed directly to the jackpanel for use in specialized experiments. Using the Researcher PC, you can present audio stimuli from any program or website. This document will outline how to use a media player called Foobar 2000 to present standard audio tests to a subject via the primary outputs and the audiometer. |
Collect your assets
Audition Overview
Generating Tone or Noise in Audition
Recording your own audio speech samples
Create the Audition Session File
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reviewed 10/9/17 - Cox