Solutions Guide: Intuition 4 / 4D / 4+ / AD / Sparo / Sparo AD
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
- Adaptive: Increase level of Adaptive Noise Reduction.
- Equalizer: Decrease Gain at 200, 500 Hz.
- Compression: Increase Compression Ratio in Ch 1.
- Equalizer: Increase Gain at 1.5 - 3.5 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
- Adaptive: Increase level of Adaptive Noise Reduction.
- Equalizer: Decrease Gain at 200, 500, 1000 Hz.
- Equalizer: Decrease Gain at 4.2 - 7.2 kHz.
- Compression: Decrease TK in Ch 1, 2.
- Compression: Decrease TK in Ch 3, 4.
- 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 3, 4.
- Advanced: Increase MPO.
- Increase Overall Gain.
Can hear distant sounds but not close up
- Compression: Increase TK in all channels.
- Compression: Decrease Compression Ratio in Ch 1, 2.
- Compression: Decrease Compression Ratio in Ch 3, 4.
Own Voice
Barrel/Hollow/Echo/Plugged/Occlusion
- Equalizer: Decrease Gain at 200, 500 Hz.
- Compression: Increase Compression Ratio in Ch 1.
- Compression: Decrease TK in channel 1, 2.
- 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, 2.
- Compression: Increase Compression Ratio in Ch 3, 4.
Dishes/Water/Paper Too Loud
- Compression: Increase Compression Ratio in Ch 3, 4.
- Advanced: Decrease MPO.
- Equalizer: Decrease Gain at 2.5 - 7.2 kHz.
Too Soft (Weak)
Soft Sounds Too Soft
- Adaptive: Decrease level of Adaptive Noise Reduction.
- Increase Overall Gain.
All Sounds Too Soft
- Increase Overall Gain.
- Advanced: Increase MPO.
- Advanced: Increase Gain at 200, 500 Hz.
Tinny/Harsh/Sharp
- Equalizer: Decrease Gain at 2.5 - 7.2 kHz.
- Equalizer: Decrease Gain at 4.2 - 7.2 kHz.
- Advanced: Increase Gain at 200, 500, 1000 Hz.
No Perceived Benefit
- Increase Overall Gain.
- Equalizer: Increase Gain from 1.0 - 3.5 kHz.
- Equalizer: Increase Gain at 200, 500 Hz.
Pumping (Cuts In and Out)
- Compression: Increase TK in all channels.
- Advanced: Increase MPO.