My experience is with the Audeo L90, not the Naida version, but I think the programs are supposed to function the same way.
I have noticed a difference between Speech in Noise and Speech in Loud noise, but my understanding is that both are available with L70, too. The difference is that only the L90s have Speech in Loud Noise as part of Autosense. On the L70s, it can be selected manually if you/your audi sets it up that way, but the aids won’t automatically select it when there’s noise. Perhaps more importantly, they won’t automatically switch back when you go somewhere quieter, and you’ll be unable to hear anything outside of a cone-shaped region in front of your face for however long it takes you to notice, remember, and switch it back. If your main issue is noisy crowded places, then you’ll probably want this feature, but you’ll have it either way. It just comes down to whether you want to fiddle with buttons or the app every time.
Personally, I’ve found Speech Enhance useful for hearing soft-spoken people without needing to crank up the overall volume. Specifically, I’ve found it useful in meetings where the person immediately to my right is shouting basically in my ear towards a speakerphone to my left at the far end of a long table, and a soft-spoken colleague at the far end of the same table (near the speakerphone) is speaking at their normal quiet volume.
I really like the Speech in Car mode, but I think it might be possible to recreate the same function by setting it up to cancel environmental noise while still honing in on speech from all directions rather than just in front of you. As with Speech in Loud Noise, you’d have to select and deselect it manually.
I haven’t tried disabling Speech Sensor, so I can’t really evaluate its usefulness.
Happy to answer any other questions!
