Neuro Platform Processor Technology Instruction Manual

QUICKTIP
Troubleshooting Guide
Neuro Processor Technology

Patient’s Own Voice

Voice Sounds

• In a barrel/tunnel
• Echoes
• Hollow
• Like they have a cold/ears plugged

Pro Fit Adjustments

• Decrease gain using the Occlusion Control
• Decrease Low Frequency Gain
• Decrease Moderate Gain at 1000 Hz and/or 1500 Hz

Other Considerations
Occlusion may be due to the physical presence of the hearing aid and not because of amplification; to test, turn off the hearing aid and have the patient speak

1. Report persists—issue is occlusion; address with acoustic modifications
   • Enlarge vent diameter
   • Shorten and/or taper canal
   • Remake hearing aid or earmold with different canal length

2. Report resolved—issue is amplification; address with response adjustments

Voice Sounds

• Muffled

Pro Fit Adjustments

• Increase Moderate Gain at 1000 Hz and/or 1500 Hz
• Increase Loud Gain
• Increase Maximum Output
• Increase High Frequency Gain
• Decrease Low Frequency Gain

Other Considerations
Occlusion may be due to the physical presence of the hearing aid and not because of amplification; to test, turn off the hearing aid and have the patient speak

1. Report persists—issue is occlusion; address with acoustic modifications
   • Enlarge vent diameter
   • Shorten and/or taper canal
   • Remake hearing aid or eamold with different canal length

2. Report resolved — issue is amplification; address with response adjustments

Voice Sounds

• Distorted
• Crackles
• Unnatural/like a megaphone

Pro Fit Adjustments

• Decrease Moderate Gain at 1000 Hz and/or 1500 Hz
• Decrease Loud Gain
• Decrease Overall Output

Other Considerations

• If decreasing Overall Output worsens sound quality, consider increasing Overall Output

Hearing in Noise

Patient has Difficulty

• Understanding speech in background noise

Pro Fit Adjustments

• Verify Adaptive Directionality is enabled via Sound Manager screen
• Consider enabling a Fixed Directional microphone response
• Increase Speech in Noise Control via Sound Manager screen
• Increase Overall Gain at 1000 Hz and/or 1500 Hz, then higher frequency gain
• Decrease Soft Low Frequency Gain

Other Considerations

• If device does not have directional microphones, consider recommending a directional device
• Consider enabling Edge Mode+ via the User Control screen
• Consider 2.4 GHz Remote or their hearing aid mobile app to make the Speech in Noise control more aggressive
• Consider 2.4 GHz remote microphone options to improve signal-to-noise ratio
• Consider turning Speech in Noise off for severe-to-profound hearing loss

Patient Hears

• Voices at a distance better than nearby

Pro Fit Adjustments

• Increase Overall Gain at 1000 Hz and/or 1500 Hz
• Increase Overall Soft Gain
• Decrease Speech in Noise setting via the Sound Manager screen

Other Considerations

• If device does not have directional microphones, consider recommending a directional device
• Consider enabling Edge Mode+ via the User Control screen
• Consider 2.4 GHz Remote or their hearing aid mobile app to make the Speech in Noise control more aggressive
• Consider 2.4 GHz remote microphone options to improve signal-to-noise ratio

Patient Reports

• Low tolerance for noise
• Background noise too loud

Pro Fit Adjustments

• Decrease Overall Output
• Verify Adaptive Directionality is enabled via Sound Manager screen
• Increase Speech in Noise setting via the Sound Manager screen
• Increase Transients setting via Sound Manager screen

Other Considerations

• If device does not have directional microphones, consider recommending a directional device
• Consider enabling Edge Mode+ via the User Control screen
• Consider 2.4 GHz Remote or their hearing aid mobile app to make the Speech in Noise control more aggressive
• Consider 2.4 GHz remote microphone options to improve signal-to-noise ratio

Intelligibility

Reports

• I hear better without my hearing aids
• Speech is unclear/unnatural
• Speech in quiet is not clear
• TV/Radio is not clear

Pro Fit Adjustments

• Increase Overall Gain at 1000 Hz and/or 1500 Hz
• Decrease Speech in Noise setting via the Sound Manager screen
• Set Speech and Noise for Less Activity via Sound Manager screen
• Increase Low Frequency Gain for Streamed program

Other Considerations

• Consider a customized program via their hearing aid mobile app
• Consider adding a 2.4 GHz TV Streamer
• Consider enabling Edge Mode+ via the User Control screen
• Consider 2.4 GHz Remote Microphone options to improve signal-to-noise ratio
• May need to counsel on fact that poor speech clarity may be due to poor speech discrimination

Speech Sounds

• Muffled even when in quiet

Pro Fit Adjustments

• Decrease Quiet setting via the Sound Manager screen
• Increase Soft and Moderate Gain

Other Considerations

• Quiet adjusts expansion and low-level noise reduction to ensure the hearing aids are quiet in quiet environments
• Consider enabling Edge Mode+ via the User Control screen

Streamed Input

Reports

• Streamed input doesn’t have enough bass

Pro Fit Adjustments

• Enable Bass Boost via the Accessories screen
• Increase Gain for Low Frequencies
• Increase Output for Low Frequencies

Other Considerations

• Consider a customized program via the hearing aid mobile app
• Consider adding a 2.4 GHz TV Streamer
• Consider enabling Edge Mode+ via the User Control screen

Reports

• Mute the hearing aid microphones

Pro Fit Adjustments

• External environment is louder than the streamed signal

Other Considerations

• Consider adjusting the streamed vs microphone input ratio via the hearing aid mobile app
• Consider enabling Edge Mode+ via the User Control screen

Loudness

Overall Too Loud

• Voices too loud
• All sounds too loud
• Harsh/too loud

Pro Fit Adjustments

• Change Experience Level to provide less gain (3 to 2 or 2 to 1)
• Decrease Overall Gain above 1000 Hz
• Decrease Gain using Occlusion Control
• Decrease High Frequency Loud Gain

Other Considerations

• May need to start with lower gain settings than the prescriptive target recommends
• Patient may be unaccustomed to amplification or may be accustomed to lower gain devices
• May need to consider a different fitting formula
• Compression ratios are increased as the curves move closer together; decreased as the curves move farther apart.
• Consider enabling Edge Mode+ via the user control screen.

Loudness Comfort

• Sounds are painful
• Clattering dishes too loud
• Running water
• Other environmental sounds too loud

Pro Fit Adjustments

• Increase Transients setting via the Sound Manager screen
• Decrease High Frequency Loud Gain
• Decrease Overall Output
• Decrease Overall Loud Gain
• Increase Machine Noise setting via the Sound Manager screen

Other Considerations

• Ensure Best Fit is using e-STAT 2.0 fitting formula
• Enter pure tone UCLs for at least 500 Hz and 3000 Hz to personalize and help optimize the output settings
• Utilize Speech Mapping to identify frequencies causing discomfort
• Compression Ratios are increased as the curves move closer together; decreased as the curves move farther apart

Overall Too Soft

• Voices too soft
• All sounds too soft
• Hearing aids too soft

Pro Fit Adjustments

• Increase Overall Gain
• Increase Overall Output
• Increase Overall Soft Gain
• Increase Overall Moderate Gain
• Increase Low Frequency Overall Gain
• Decrease Quiet setting via the Sound Manager screen

Other Considerations

• Utilize Speech Mapping to verify audibility
• Patient may not perceive the aid as being loud enough depending on previous hearing aid experience
• Compression Ratios are increased as the curves move closer together; decreased as the curves move farther apart
• Quiet adjusts expansion and low-level noise reduction to ensure the hearing aids are quiet in quiet environments

Sound Quality

Noisy

• Hearing aids are noisy
• Refrigerator hum too loud
• Hearing aids are noisy in quiet environments

Pro Fit Adjustments

• Increase Quiet setting via Sound Manager screen
• Decrease Soft Gain at 750 Hz and below
• Decrease Overall Soft Gain

Other Considerations

• Quiet adjusts expansion and low-level noise reduction to ensure the hearing aids are quiet in quiet environments

Pumping

• Hearing aids cut in and out
• Hearing aids cut in and out when patient speaks
• Loud sounds fade in and out

Pro Fit Adjustments

• Increase Overall Loud Gain
• Decrease Compression Ratios
• Decrease Machine Noise setting via Sound Manager screen
• Decrease Consonant Enhancement

Other Considerations

• Compression Ratios are increased as the curves move closer together; decreased as the curves move farther apart

Shutting Down

• Hearing aids shut down with loud sounds
• Hearing aids cut out when patient speaks
• Loud sounds fade in and out

Pro Fit Adjustments

• Decrease Transients setting via the Sound Manager screen
• Decrease Compression Ratios
• Increase Overall Output/MPO
• Increase Overall Gain
• Increase Overall Soft Gain
• Increase Overall Loud Gain

Other Considerations

• Compression Ratios are increased as the curves move closer together; decreased as the curves move farther apart

Transient Sounds are

• Bothersome

Pro Fit Adjustments

• Increase Transients setting via Sound Manager screen

Other Considerations

• Consider turning off for severe-to-profound hearing loss

Transient Sounds are

• Too Soft/Unnatural

Pro Fit Adjustments

• Decrease Transients setting via Sound Manager screen

Other Considerations

• Consider turning off for severe-to-profound hearing loss

Sounds are

• Hollow
• Muffled

Pro Fit Adjustments

• Decrease Loud Gain at 500 Hz and 750 Hz
• Increase Moderate Gain at 1000 Hz and/or 1500 Hz
• Increase Moderate High Frequency Gain

Other Considerations

• Increase Vent Size and update Acoustic Options to match hearing aid

Sounds are

• Sharp
• Tinny

Pro Fit Adjustments

• Increase gain between 2000 Hz-4000 Hz, then increase gain at 750 Hz
• Increase Low Frequency Gain
• Decrease Overall Output above 1000 Hz
• Increase Speech in Noise
• Increase Compression
• Change Experience Level to provide less gain (3 to 2 or 2 to 1)
• Consider enabling the Automatic feature within Experience Manager

Other Considerations

• Utilize Speech Mapping or Verify Comfort to identify areas of sharpness
• Compression Ratios are increased as the curves move closer together; decreased as the curves move farther apart
• Consider Best Fit using a different fitting formula
• Patient’s auditory perception may be distorted due to long-standing high-frequency hearing loss; counseling is key

Music

Music Sounds

• Too tinny in the Music Program

Pro Fit Adjustments

• Decrease treble via QuickFit screen
• Increase bass via QuickFit screen

Other Considerations

• Consider the Fine-Tuning screen for patients who require very discrete frequency-specific adjustments
• Consider use of 2.4 GHz streaming accessory
• Consider enabling Edge Mode+ via the User Control screen

Music Sounds

• Too much bass in the Music Program

Pro Fit Adjustments

• Decrease bass via QuickFit screen
• Increase treble via QuickFit screen

Other Considerations

• Consider the Fine-Tuning screen for patients who require very discrete frequency specific adjustments
• Consider use of a 2.4 GHz streaming accessory
• Consider enabling Edge Mode+ via the User Control screen

Feedback

Hearing Aids

• Whistle
• Chirp

Pro Fit Adjustments

• Initialize feedback cancellation with hearing aid in the ear
• Reduce Adaptive Feedback Cancellation Sensitivity (Strong to Subtle, Subtle to Off) via the Feedback Canceller screen
• Reduce Overall Gain

Other Considerations

• Manage acoustic options for better fit and positioning of the hearing aid in the ear
• Utilize Speech Mapping to identify feedback peak and decrease gain at peak
• Feedback cancellation needs to be re-initialized any time the acoustic characteristics of the hearing aid are changed (e.g. shell modification, new earmold)

Hearing Aids

• Sound warbly with own voice or other inputs

Pro Fit Adjustments

• Initialize feedback cancellation with hearing aid in the ear
• Reduce Adaptive Feedback Cancellation Sensitivity (Strong to Subtle, Subtle to Off) via the Feedback Canceller screen
• Decrease Consonant Enhancement

Other Considerations

• Manage acoustic options for better fit and positioning of the hearing aid in the ear
• Utilize Speech Mapping to identify feedback peak and decrease gain at peak
• Feedback cancellation needs to be re-initialized any time the acoustic characteristics of the hearing aid are changed (e.g. shell modification, new earmold)

The Starkey logo, Pro Fit, Neuro Processor, e-STAT and Edge Mode are trademarks of Starkey Laboratories, Inc.
©2023 Starkey Laboratories Inc.
All Rights Reserved. 2/23 FLYR4093-00-EN-SC

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