last updated Mon 29 Oct 12
Audiology Resources
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Basic FM HelpInformation sheets for common FM equipment used by students |
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Audiograms explainedThe audiogram is a graph showing the thresholds in decibels for hearing test sounds of different frequency. On the audiogram, the test frequencies used during hearing testing are shown with the vertical lines. The decibel levels required for a child's hearing threshold are shown with the horizontal lines. |