Phonak Audeo I90 Sphere microphones? (Making music and)

I’m about six weeks into life with hearing aids. These are my first, and I’m generally happy with the progression of my audiologist dialing them in for me. I currently have vented domes, and some situations remain challenging (loud pubs for Trivia Night, streaming music while walking near traffic) but I’m adapting - while considering the tradeoffs of potentially switching to a more closed fitting.

I’m also a guitarist and like many of my ilk we’re having some difficulty finding settings where Making music (not ‘just’ listening to it) sounds as natural as possible - acoustic guitar at home is a particular problem. I’ve done a deep dive through Dr. Chasin’s research and so has my audiologist, and many of his strategies have helped get us closer to eliminating odd overtones and frequency shifts for single notes on the upper strings of my guitar.

Passively listening to music is generally fine for me in quiet situations, whether streaming or ‘in the room’. But I’ve recently run across a guitarist who feels that the hearing aid microphones themselves might be part of the problem.

Does anyone know whether there are two different types of microphones on the Phonak spheres? I can’t seem to find that info anywhere, but the other guitarist’s theory is that one microphone is omni-directional while the other is more directional and front-facing which may contribute to the unnatural “phasing” warble guitarists sometimes experience. Having your audiologist turn off the omni-directional mics on a separate “Guitar” program might be helpful, he believes. Any advice on this admittedly narrow topic would be helpful.

Thanks - and thanks for all the great commentary and advice I’ve been reading here over the last month of my journey…

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While I can’t help you with Phonak, those controls do exist in the Phillip’s software. My ears told me that switching from Omni to Pinna reduced some mid-high frequency glare/distortion when listening directly via nearfield studio monitors. So it is worth pursuing . . .

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IIRC, both of mics in the Phonak Infinio Sphere are omnidirectional and directivity is set by physical difference of sound power reaching both mics and difference of time.

Read about modes in Phonak HAs: omni vs.
Real Ear Sound (imitate pinna effect, maybe it’s what you seek) vs.

Ultra Zoom vs.

StereoZoom vs.

StereoZoom 2.0

and

SpeechSensor (not sure if it is in Sphere version).

As a classical guitarist, I suppose the best quality you could achieve by music program with Omnidirectional or Real Ear Soud mode of directivity.

You can set them in myPhonak app:
a) omni is when slider is completely on the left
b) Real Ear Sound when slider is 1-2 step to the right compared to omni.