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NAL-NL1 and NAL-NL2 are non-proprietary standard fitting rationales open to any HA mfg to use. They're geared for speech priority, so you will probably find them sharp and maybe a little harsh on the ears, unless you're used to it. NL2 is probably the successor of NL1. DSL-Adult v5.0 and...

Thanks for updating this, @pvc. It looks like the Philips 9050 and the Bernafon Encanta will also be on the Sirius platform. I don't know about the Sonic platform though. I checked on their SonicI.com website and I don't see any introduction of a new model line of hearing aids. The Captivate...

Hm, I double checked and I don't see that my images are reversed. Below is a snapshot of my post on the other forum. The first screenshot (where I set ACT to -4 meaning the least help is needed with noise because I have good (normal) contrast threshold) shows that Easy consists of Very...

I hear that ACT must be used with an audiometer (with a purchased ACT license), and it's not plug-and-play with any audiometer, only certain (and maybe newer) models. So if the HCP already invested $20K in an audiometer that turns out to be incompatible with ACT, then it's very unlikely that...

Thanks for testing this out, @pvc ! This is definitely interesting that the gain numbers are different for different ACT values on the 2 extremes. So the ACT value does a whole lot more than just making changes to some of the parameters in MoreSound Intelligence. This would make the value of...

I would venture to guess, and it can be verified probably quite easily because we can always restore the last session with the intact REM data, is that the ACT data will only change the parameters in the MoreSound Intelligence window and will not affect the data in the Fine Tuning window. The...

Hopefully eventually at some point, ACT will proliferate enough to be considered a best practice test to be done, just as important as doing a tone-generated audiometry test. Without ACT, you'll have to guess how much help you need for speech in noise settings. With ACT, you can skip guessing...

I have not done any analysis to determine exactly how the Sound Controls adjustments result in what the gain curves would look like. But if you have done enough analysis to lead you to believe in your conclusions above 100%, then OK. But I can't just confirm or deny your conclusion because I...

Yes, the bottom line is that regardless of which fitting rationale you choose, you can always alter it to gain curves that's customized to your liking. However, it doesn't always mean that a gain curve of VAC+ that is adjusted to look exactly like the gain curves of NAL-NL2 will make them sound...

I agree that we don't really know for sure if it's really a new platform or just a rename attempt. But I, on the other hand, and in the camp that find it believable that it would be a new platform, because 1. I find Oticon to be more open about the technical details they reveal from their...

Thanks for your clarification about what you mean by high end vs low end (different models and not different tiers within the same model). Nevertheless, like I mentioned, the VAC+ fitting rationale is a very basic fundamental building block in Oticon aids, and is a proprietary signature of...

But the Oticon Intent is on a new platform they call Sirius, no? It's not on the Polaris platform anymore that was used for the More and Real. It's probably also because this new Sirius platform is more power-hungry that they now have to resort to a bigger rechargeable battery size 13. So...

What are you referring to when you say "high-end" products? Are you talking about the Tiers? Like the Oticon Real 1 is the high-end, while Oticon Real 3 is the low-end? If so, then you are wrong that low-end Oticon products don't include the VAC+ fitting rationale. VAC+ is THE BASIC and...

Usually if AI is used in the core technology, then the marketing is focused on it front and center, instead of burying it inside as a small part of the whole thing. I'm not sure why the Bernafon Alpha XT does not put the AI part as the front and center of its marketing material. It does not...

To add to what you've said above, @pvc , even if the Oticon Real shares the same hardware platform as the Philips 9040 and many of the peripheral technologies (like frequency lowering, feedback management, sudden sound stabilizer, wind management, etc), their core technologies are different...

As far as I know, nobody has ever tried.

Your HCP probably did REM for you based on NAL-NL2, so that's why the NAL-NL2 was chosen as your primary rationale, so that everything matches. Otherwise, it would be a Philips fitting rationale with REM adjustments to an NAL-NL2 target, but still behaves as a Philips fitting rationale. So...

Excellent point there, Mr. @pvc ! Thank YOU for taking the time to compile and document valuable DIY and even general information so that they don't get lost and buried in the midst of things. Sometimes even if it can be made into a sticky, stickies don't necessarily get organized into...

Congrats! I hope that eBay seller gets kicked out of eBay for good.

Hi @pvc , I think what I said above kinda captured pretty much what I would have written for that section in your DIY school anyway, so feel free to just go ahead and capture its entirety into the text, really no need for editing in my opinion. Perhaps preface it with a short snippet of the...