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Sonite Rise - Can’t Hit Targets

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Of course occlusion is not an issue, you are using a 3mm vent, which is large: its almost like an open dome.

Feedback is a physical issue and it is caused by sound is escaping the ear canal and reaching the mics. This is the root cause. If you reduce (block) the vent, you reduce the feedback.

This is not a question of "Sonite RIse can't heat the targets", this is an issue with the fitting. @Hearing_Potential explained it well in the previous comments.

In reply to @Bimodal_user

@Bimodal_user said:

And very conservative approach of HCP, because she is afraid about potential rejection of fitting.

I think your needs more reassurance from you that you are (I just suppose) ready to try more occluding fittings. That needs patience from your side.

I am not sure if you're as prone to some risk, but I would at least try earmold with the smallest vent diameter possible (0.5-0.8mm) and stepping up if there would be a problem with occlusion.

Again - eamolds should be deep placed based on silicone impression which reached at least 5mm past 2nd bend of ear canals.

In reply to @OcramSagev

Here is my take re the 9050’s…my fitter is inexperienced. She told me I needed molds because I was “leaving a lot of [improvement] on the table.” Specifically, feedback was limiting gain on the higher frequencies. So, I get the molds but she specs a 3mm vent defeating the purpose. Originally I had bass domes with very small vents.

I have decided to go with the Sonite Rise unless iOS 27 improves streaming connectivity. I have not found any reference which suggests that will happen. So, next question is should I get molds for the Rise?

Edited

In reply to @Jackhammer

@Jackhammer said:

So, I get the molds but she specs a 3mm vent defeating the purpose. Originally I had bass domes with very small vents.

Because of the lack of her counselling skills.

She looked at the and saw that you have normal low frequency hearing, so she assumed in advance (without checking it) that you would definitely complain about the occlusion effect, hence she gave 3mm, just because of fear that you will reject less venting.

@Jackhammer said:

So, next question is should I get molds for the Rise?

Definitely, yes, but vent diameter is an open issue.

And if Sonite has the same receivers as Phonak (they has low noise floor), you should have AT LEAST P receiver.

If you like to experiment like me, try UP with smallest vent possible (or no vent - like me). Even as small 1mm diameter of vent defeats the purpose of having UP instead of P in your case.

Try also shorter wire length than #2 (you said younhave 2M) for as horizontal 2 mics orientation, as possible. This is necessary for good front-rear differentiation and better high frequency reception from front.

IIRC, fitting software is suggesting me 2.3-3.0 mm vent 😅

And M receiver.

Both strongly untrue.

Currently with 0P + power domes with thick silicone (Unitron).

Waiting for 0UP in cShell (canal earmold) with no vent. That's after trialing with 1mm vent.

Unfortunately, Costco will not allow me to override software even if I were technically qualified to do so. However, using knowledge gained here, I can ask challenging questions.

I have used the Sennheiser Target (which is identical to the Phonak programming software) and it does not restrict the dome/mold choices.

The only thing the software does is put a little mark (round target sign) next to the recommended dome but you can choose whatever you want. See below.

Sometimes I wonder where some claims I see in this forum come from.

@Jackhammer, something to keep in mind with fitting software. It's not always designed to deliver the best technical fit in its recommendations, but some fitting choices factor in what most wearers prefer and what most might recommend, partly because wearers often reject other fits. Technically, an occlusive fit might help prevent a lot of noise from going directly to your eardrums, but in quiet situations, wearers with good low-frequency response often prefer the more natural sound of an . For a similar reason, most fitting software starts out new users with reduced amplification rather than going with the full prescribed fit for the hearing loss right off the bat. So, if your hearing preferences differ from the average user, your fitting choices might diverge as well. I don't mind occlusion, and I want the best possible noise reduction with my Spheres, so I went for a totally occlusive fit. Fitting software always recommends a somewhat open fit for me.

In reply to @Bimodal_user

It's not only Target. Table 1 here https://hearingreview.com/practice-building/practice-management/hearing-aid-selection-and-btes-choosing-among-various-open-ear-and-receiver-in-canal-options 2also would lead one to a roughly 3mm vent. Of course it is more nuanced and this fittter may not know what to recommend or is concerned about remakes/returns.

Costco is also limited in the types of vents it can order. Possibly an AOV design from Sennheiser would be a good option as the vent design would not be selected by the Costco staff. They still need to take good impressions. Multiple attempts may be needed but optimizing the coupling should be worthwhile.

Costco doesn't charge for receivers so OP could test a P receiver and/or a more to see what happens.

@user490 said:

It's not only Target. Table 1 here https://hearingreview.com/practice-building/practice-management/hearing-aid-selection-and-btes-choosing-among-various-open-ear-and-receiver-in-canal-options

Yeah, I know that table from one of early Dr Cliff's videos. This was when I had little knowledge about fitting and I didn't even know anything about the relationship between vent size and acoustic feedback risk.

That's very, very conservative approach tailored probably for beginner users with high risk of rejection (as you mentioned) of hearing aids who also often do not allow to explain that they have to make certain compromises to ensure audibility.

@user490 said:

Of course it is more nuanced and this fittter may not know what to recommend or is concerned about remakes/returns.

It's always a bit hit or miss. In my case was 1mm (wanted 0.6, but it's unavailable in titanium cShells). The outcomes was somewhat good, but I missed more earplug effect and noise isolation with Unitron power domes (thicker silicone), so I has gone "all in" and ordered with no vent.

@user490 said:

Possibly an AOV design from Sennheiser would be a good option as the vent design would not be selected by the Costco staff.

I was previous fan of AOV (had ~2 cShells with it), but not now.

Again - it's great solution for very picky beginner users, but still can't provide best audibility in much cases, like mine.

@user490 said:

Multiple attempts may be needed but optimizing the coupling should be worthwhile.

Oh yeah, this can test our patience.

@user490 said:

Costco doesn't charge for receivers so OP could test a P receiver and/or a more closed dome to see what happens.

Or even power domes, like I use now (with P receiver) waiting for my cShell order.

Edited

I hesitate to give this update because it adds to the confusion. To be clear, I am talking about my Philips 9050’s with acrylic molds. The molds were installed Saturday. I wore them Saturday for a few hours and had no feedback. I did have the annoying floor noise. BTW, my fitter reduced high frequency gain hoping it would reduce floor noise. Did not work although hard to compare floor noise with my original bass domes. Sunday morning I went to supermarket and feedback was terrible which prompted my posts here.

I reported a 3mm vent. I decided to experiment by blocking the vent. I discovered the the vent on my right was very small, definitely <1mm. So, why would I have 3mm vent on left ear and <1mm on right ear? To add to the confusion, most of the feedback was happening in my right ear with the smaller vent.

Using the app, I reduced high frequency gain 3dB and the feedback disappeared. This morning I went back to the original default settings but have no feedback.

I am wondering if my 9050’s are defective. I have high floor noise, unstable streaming connections to my Apple devices and random episodes of feedback.

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