Help enabling Microsoft Neural Voices for SAPI 5?

By Faerie, 4 March, 2026

Forum
Windows

Hello!

I'm fairly certain this is alright to post here, but if that's not the case, do please let me know and I'll take it down immediately.

I have been trying to use the Natural Voice SAPI adapter to get Microsoft neural voices enabled, with the goal of using them with NVDA. It was working on a previous computer, but that machine is sadly no more. While I'm aware there is an addon floating around somewhere for these voices, it lags and also will not speed up sufficiently for my use case, so I'm trying to get this working. Sadly, I don't exactly remember what I did the last time to make it work.

So far, I've downloaded the voice I'd like to use, extracted it, and placed it inside a folder in my OneDrive simply called Voices. I pointed the adapter there and installed both 32 and 64 bit versions. However, the voice refuses to show up for any programs, or in the control panel.

Any help would be appreciated. Thank you! In case it's helpful, I'm on a Snapdragon processor, which I understand can be a bit different. However, given that an arm version of the adapter exists, I assume this should still work?

Sincerely,
bamboozled!

Options

Comments

By Brian on Wednesday, March 4, 2026 - 22:58

Hi,

Can this item be found on the add-on store, or is there a GitHub link or something similar for it? Also, the other ad on you're talking about, I think that one is called Sonoma, or something similar. If it is the add-on I am thinking of, do not ever download it. It is horrible, and can actually brick your machine. Trust me on this.

Edit, meant to say I'll be happy to install it and see if I can't figure out the trick to get it to work for you. 🙂

By SeasonKing on Thursday, March 5, 2026 - 07:37

I think NVAccess has published their plans to integrate these voices with NVDA, but, nothing in terms of actual development on that front so far.
There are some Github repos which claim to adapt these nural voices for Sapi 5, but, these are basically tinkerer level hacks, as in, using some extracted encryption keys from OS images, which can very easily stop working if microsoft decides to stop it. Googling Microsoft Nural Voices adapter will reveal certain useful links.
I would rather use Narrator for the time when I need good voice, and go back to NVDA afterwards.

By Brian on Thursday, March 5, 2026 - 08:54

Best to stick with legitimate synthesized speech software, rather than dealing with third-party hacks. If NVAccess manages to get the Microsoft Neural voices to work legitimately with NVDA, then kudos to them, otherwise, like SeasonKing set above, I'll stick to using those voices with Narrator.

By Faerie on Thursday, March 5, 2026 - 18:30

I did not know this was something they were planning on tackling. Generally, I would prefer the voices for daily use, not just specific circumstances--most voices grate on my ears after a time in a way one of the neural options does not--but I will happily wait if this is indeed something that's being looked into. Thank you all for the thoughts.