But instead of locally processing the text, it’s better to leverage the cloud so that the system can continuously learn and improve its speech rendering capabilities. The technology behind text-to-speech is already available. To assist this user, the most obvious solution is to use a text-to-speech engine that synthesizes speech from the incoming chat messages. Let’s see how we can quickly enable text-to-speech capabilities for chat apps built with PubNub, to assist a blind user.ĭue to visual impairment, a blind user is severely constrained in reading the incoming chat messages.
Since chat-based applications continue to grow in adoption, why not bring in the accessibility angle to it? Here at PubNub, we make chat easy for developers to build. In this blog post, we take a dig into this very aspect of how to make apps more accessible. Hence, as designers and developers, the onus is on us to empathize with one and all so that we can bring in inclusivity in all our creations. A user interface that works for one person might be completely constrained for a disabled person. but other users have reported it works fine for them) it’s totally worth it - their voices are AWESOME naturally sounding (Ivona / CereProc don’t come close), and it’s really cheap - free for one year (5 million characters a month, plenty for P2A), and after that it’s $4 for each 5 million characters.Accessibility for computer applications is quite often an overlooked consideration during development. The setup is a bit involved (you have to set up an AWS account etc), but if it should work for you (unfortunately for me it’s a hit a miss with P2A. $ Amazon Polly: Check out their AWS Polly plugin for Windows (there’s also a thread in the P2A forum about it). Also note that their current voice versions (V6) are reported to have issues with P2A, but they’ll provide you with the V5 version if you ask, and they seem to work fine I found though that their voices differ greatly in quality when used with P2A (pronunciation and intonation with ATC lingo), so you should try them out with specific phrases on their demo page. I did like the CereProc voices much better, and purchased a few of them recently (they just had a sale during Easter week, and occasionally have others). $$$ Ivona or CereProc: Though lots of people recommend Ivona, I wasn’t impressed by the samples on their website.
Some of those are actually quite good (e.g. Although by default P2A can only ‘see’ two of the Windows voices, you can actually get a lot more working by doing some registry tricks (there’s a post in the P2A forum explaining this).
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