@Volusiano, have you had the chance to compare the Reals and the Spheres back to back in challenging listening situations?
The only “busy” environments I’ve been able to find so far is a Starbucks coffee place with loud music going on, but not full packed with people, unfortunately. The other place is a large doctor office’s waiting room with quite full of people. The Sphere performs OK in both places. I didn’t try with the Real because I know that they will perform well, too. These 2 places so far are not exactly challenging enough to make one “shine” over the other though.
I must say, however, that at the doctor’s waiting room, in the Spheric mode, the voices seem to indiscriminately “jump” out at you from various locations in between the aggressively subdued noise that sounds a little warbling at times. Even though I didn’t bring the Real with me at that time (I didn’t expect the waiting room to be full of people like that), I know that if I had the Real there, the place would have sounded livier without too much subdued noise (due to the open paradigm), but if I pay attention to what was being said when and where, I probably would have been able to make out what they say clearly.
What I mean is that it seems like the Sphere treats a noisy place by subduing most sounds aggressively first (into warbling noise), and this includes all the concurrent speeches going on. Then maybe when it detects the most noticeable (loudest) speech amongst all the speeches going on, then it would bring out this speech onto your radar screen so that you can hear it best. But let’s say if there were 5 people talking simultaneously around you, it wouldn’t let you hear all 5 at the same time. It seems to me like it would only bring out the loudest of the 5 to your attention. I think this usually works out well and correctly most of the times anyway, because the person closes to you will most likely then to sound the loudest, and therefore the right speech you’d want the Sphere to bring out to your anyway.
If I had worn the Real in the above scenario with 5 people talking around me at the same time, the Real will probably clean up all 5 speeches simultaneously and let me hear all 5; again, due to the open paradigm. Then I’d have to decide on which speech to focus on and which speech to ignore. But if I try harder, I can probably also ignore the louder main speaker in front of me, and eavesdrop on the softer speaker at the next table behind me if I want, albeit with a lot more effort.
But with the Sphere, I can probably only hear the loudest speaker and that’s it. I’m not presented with multiple parallel speeches to choose from. And for most of the times, this should really work out fine, because it’s not often that you want to be aware of what 5 people are saying at the same time anyway. You’d most likely want to hear just 1 out of the 5, and usually it’s the loudest voice you hear. But let’s say that if the voice you want to hear in front of you is softer, and the voice behind you that you don’t want to hear is louder, I’m not sure if the Sphere will always pick the loudest voice regardless. I think there’s also going to be directionality factored into the equation, and the soft voice in front of you might be given more priority than the louder voice from behind you.
One thing I know for sure is that in a very noisy place, it’s probably tougher mentally to be wearing an Oticon brand aid, while it’d be less tasking mentally to be wearing a Sphere in Spheric mode. Oticonians might already be used to all that mental task of sorting and focusing and tuning out that it comes natural and easy enough for them, with the help of the aids cleaning up the speeches for them. But the Sphere would help make less of this work because the user only has to deal with 1 voice at a time for the most part, the voice that the Sphere picks out for them.
I think the personal preference on which of these 2 brands may also come with the level of hearing loss as well. If you have a heavier and flatter hearing loss, especially around the lows and mids, your audible range is so much more compressed compared to a normal ski slop person with better hearing in the lows and mids, who would has a wider audible range. The wider audible range will allow the ski slope person to be able to pick up nuanced differences between voices and sounds more easily than one with a much smaller/compressed audible range, where the nuances can be much harder to pick up because they’re squished up so tight. And therefore this ability to pick up the nuances better will be more helpful with the sorting and filtering between the different voices’ characteristics that’d be critical to differentiating between the voices.
What I’m trying to say is that the Oticon with open paradigm might work out well for normal ski slope people, while the Phonak Sphere might work out better than the Oticon open paradigm aids for flatter hearing loss people. Of course this is just a generalization that doesn’t apply to all cases. I personally have a skip slope loss, and that’s why I like the Oticon aids, but I can also appreciate the Phonak Sphere that can give me a more subdue noisy scene to focus on only a single speech at a time.
All this stuff is not something I make up. It’s something I picked up from an AudiologyOnline talk that I watched, which was presented by Don Schum (ex Oticon exec who went to Whisper) that centers around how the presence of the nuances between different voices might actually help with voice recognition and focus. I think he made this presentation way back in support of the open paradigm.