OpenEars®: add speech recognition and TTS to your app

OpenEars® is the most popular free iOS offline speech recognition/TTS framework, and the basis for the OpenEars® Platform, a plugin system that lets you drag-and-drop new speech features into your iOS app: realtime recognition, better TTS, fast grammars and noise rejection. Its speech recognition works with 6 languages! Try it in 5 minutes with the OpenEars® Quickstart Tutorial.

Learn more Download OpenEars Take the 5 minute tutorial
RapidEars: live speech recognition at gaming speeds

RapidEars is a plugin for OpenEars® which lets it do live, offline speech recognition in realtime that is so responsive it can even be used as a gaming input, and it can be used with all the languages OpenEars is compatible with. You can try out RapidEars and the other OpenEars® plugins in just 5 minutes using the OpenEars® Quickstart Tutorial. RapidEars: try doing that over the network!

Try RapidEars Learn more Buy RapidEars
Rejecto: ignore speech that isn’t in your app’s vocabulary

Rejecto is a plugin for OpenEars® which lets OpenEars® and RapidEars ignore speech that isn’t in the vocabulary. This makes OpenEars® and RapidEars more accurate and discerning, and it can be used with all the languages OpenEars is compatible with. You can try it and the other OpenEars® plugins in just 5 minutes using the OpenEars® Quickstart Tutorial.

Try Rejecto Learn more Buy Rejecto
NeatSpeech: better, faster voices for OpenEars™

NeatSpeech is a plugin for OpenEars® which adds improved voices which sound better and speak continuously without lag even on very long statements, no network needed. Transparently priced for your peace of mind. Try NeatSpeech and the other OpenEars® plugins in 5 minutes with the OpenEars® Quickstart Tutorial. Now with US and UK English and Spanish!

Try NeatSpeech Learn more Buy NeatSpeech
RuleORama: create grammars fast enough for RapidEars

RuleORama is a plugin for OpenEars® which creates rules-based grammars using the same API as OpenEars’ dynamic grammar generation, but the grammars are fast enough for RapidEars to use, and it can be used with all the languages OpenEars is compatible with. You can try it and the other OpenEars® plugins in just 5 minutes using the OpenEars® Quickstart Tutorial.

Try RuleORama Learn more Buy RuleORama

The OpenEars Plugins

THE OPENEARS PLATFORM

OpenEars™

OpenEars™ is the most popular free offline speech recognition & TTS framework on iOS, and the basis for the OpenEars™ Platform. Now works with six different languages including Chinese!
RuleORama

RuleORama is a plugin for OpenEars™ which creates rules-based grammars that let you define precise rules for which words and phrases can be recognized in what order, fast enough for RapidEars
RapidEars

RapidEars is a plugin for OpenEars™ which lets it do live, offline speech recognition in realtime that is so responsive it can be used as a gaming input
NeatSpeech

NeatSpeech is a plugin for OpenEars™ which adds improved voices which sound better and speak continuously with almost no lag even on extremely long statements
Rejecto

Rejecto is a plugin for OpenEars™ which lets OpenEars™ and RapidEars ignore speech that isn’t in the vocabulary

Our Flying Friends Blog

Halle's latest posts about OpenEars, speech recognition, and Core Audio.

Who is on the balcony, flying swan edition

19 June

Who is on the balcony, flying swan edition: a swan flies over, head downwards.
Please give the OpenEars version 1.3.0 Preview a try

15 February

I’m happy to announce that alongside the current 1.2.5 version of OpenEars available on the main ...
OpenEars 2.04 and compatibility versions of all plugins out now, with no more uppercase requirements

10 May

Today I’m happy to announce that OpenEars 2.04 and all plugins are out now. This is ...