Table of Contents
Barrel/Hollow/Echo/Plugged/Occlusion
Tinny/Harsh/Raspy
All Sounds Too Loud
Loud Sounds Too Loud
Dishes/Water/Paper Too Loud
Soft Sounds Too Soft
All Sounds Too Soft
Solutions Guide: Intuition 2FC / Sparo 2
Feedback/Whistling
Adaptive: Activate Adaptive Feedback Canceller.
Equalizer: Decrease Gain at 2.5 - 3.5 kHz.
Equalizer: Decrease Gain at 4.2 - 7.2 kHz.
Equalizer: Decrease Gain at 3.0 - 7.2 kHz.
Decrease overall Gain.
Tips:
Check ear canal for wax/debris.
Check receiver direction and canal length.
Reduce vent.
Background Noise
Advanced: Enable expansion.
Equalizer: Decrease Gain at 200, 500 Hz.
Compression: Increase Compression Ratio in Ch 1.
Equalizer: Increase Gain at 1.5 - 3 kHz.
Decrease overall Gain.
Tips:
If these programming solutions are insufficient, please call Audina to discuss the value of directional microphones (if not already in use).
Rushing Water/Fan Noise/Static/Circuit Noise
Advanced: Enable expansion.
Equalizer: Decrease Gain at 200, 500, 1000 Hz.
Equalizer: Decrease Gain at 4.2 - 7.2 kHz.
Compression: Decrease Threshold Kneepoint.
Tips:
Enlarge vent.
Can hear but not understand / Speech is unclear
Equalizer: Increase Gain at 1.5 - 3.5 kHz.
Equalizer: Decrease Gain at 200, 500 Hz.
Compression: Decrease Compression Ratio in Ch 2.
Advanced: Increase MPO.
Increase Overall Gain.
Can hear distant sounds but not close up
Compression: Increase Threshold Kneepoint.
Compression: Decrease Compression Ratio in Ch 1.
Compression: Decrease Compression Ratio in Ch 2.
Own Voice
Barrel/Hollow/Echo/Plugged/Occlusion
Equalizer: Decrease Gain at 200, 500 Hz.
Compression: Increase Compression Ratio in Ch 1.
Compression: Decrease Threshold Kneepoint.
Reduce overall Gain.
Advanced: Increase MPO.
Tips:
Enlarge and/or step back vent.
Taper canal.
Remake to shorten/lengthen canal accordingly.
Counsel.
Tinny/Harsh/Raspy
Equalizer: Reduce gain at 1.5 - 4.2 kHz.
Equalizer: Reduce gain at 4.2 - 7.2 kHz.
Reduce overall Gain.
Equalizer: Increase Gain at 200, 500, 1000 Hz.
Too Loud
All Sounds Too Loud
Decrease overall Gain.
Equalizer: Decrease Gain at 200, 500 Hz.
Advanced: Decrease MPO.
Loud Sounds Too Loud
Advanced: Decrease MPO.
Compression: Increase Compression Ratio in Ch 1.
Compression: Increase Compression Ratio in Ch 2.
Dishes/Water/Paper Too Loud
Compression: Increase Compression Ratio in Ch 2.
Advanced: Decrease MPO.
Equalizer: Decrease Gain at 2.5 - 7.2 kHz.
Too Soft (Weak)
Soft Sounds Too Soft
Advanced: Disable expansion.
Increase Overall Gain.
All Sounds Too Soft
Increase Overall Gain.
Advanced: Increase MPO.
Advanced: Increase Gain at 250, 500 Hz.
Sounds Tinny/Harsh/Sharp
Equalizer: Decrease Gain at 2.5 - 7.2 kHz.
Equalizer: Decrease Gain at 4.2 - 7.2 kHz.
Equalizer: Increase Gain at 200, 500, 1000 Hz.
No Perceived Benefit
Increase Overall Gain.
Equalizer: Increase Gain at 1.0 kHz - 3.5 kHz.
Equalizer: Increase Gain at 200, 500 Hz.
Pumping (Cuts In and Out)
Compression: Increase Threshold Kneepoint.
Advanced: Increase MPO.