HEARLAB
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TESTS AVAILABLE: Tests Available: ACA: Aided Cortical Assessment (ACA) Cortical Threshold Estimate (CTE) Test results: Grand averages Statistical analysis for detection and difference Recordings: Assessment records stored in a data base with subject information INPUT CHANNELS: Stimulus Controller: 2 Microphone channels Electrode Processor: 2-Channel recording (the cortical response signal and the stimulus OUTPUT CONNECTIONS: Free field loudspeaker (test loudspeaker) Free field loudspeaker (monitor loudspeaker) Insert earphone, left and right Bone conductor ACA: Stimuli: Speech sounds /m/, /t/, /g/ Output and Level: Free field output only @ 55, 65 and 75 dB SPL Output and Level: Insert phones: -10-110 dB HL, 5 dB steps Bone conductor: -10-70 dB HL, 5 dB steps (60 dB HL for 500 Hz) Masking Signals: CTE: Narrow-band noise www.frye.com • email: sales@frye.com