The iSpeech Recognition Perl Sample Code by iSpeech demonstrates how to integrate audio recognition into applications. The project has been designed for cloud-based speech synthesis and speech recognition systems.
AudioBoo brings the familiar tape-recorder type interface to the web with all the fixings. Take your audio recording, add a picture, a location, put it in a social context, throw in popularity ratings and you have AudioBoo. The simplicity and social aspects of this service make a great platform for podcasters while providing another avenue of media discovery for users. But it's new and still changing. If you're feeling like an adventurous explorer, ready for twists, turns and surprises, jump on in to the AudioBoo API.
Since Microsoft launched its Bot Framework earlier this year, it has consistently added features to empower developers to create, what Microsoft calls, "the next great conversational experiences." The latest API additions include the Computer Vision, Bing Speech, and Bing Image Search APIs.