92 Hearing Aid Measurements WinCHAP User’s Manual
• OES Correction—Notes whether or not an MZ coupler and corrections
were used.
• Ear Used—Records the ear tested.
• Crv. Modification—Notes whether or not the curve has been modified.
• Data Points—The number of data points measured for the curve.
• Correction—Notes whether or not a CIC coupler and corrections were
used.
• Curve Type—Records the type of measurement made (for example, REUR).
• Curve Subtype—Further categorizes the curve.
• Source Amp.—Notes the level of the input used to make the measurement.
• Highest Value—Notes the maximum value of the curve.
• Overall RMS—Records the overall amplitude of the curve.
• Noise Reduction—The amount of noise reduction used for the test.
• Bias Source—The intensity of the bias signal, if a bias signal is used.
• Bias Freq.—The frequency of the bias signal, if a bias signal is used.
To view the parameters of a particular curve, select the curve in the box labeled
Test Curves and click
Show Parameters.
Figure 7.2.5—Curve parameters in the Response Curves window
