SpeechGym is a stuttering therapy software aimed to help people with stuttering problem control their speech fluency keeping a confidence. SpeechGym is a significant fluency enhancer. It implements Delayed Auditory Feedback (DAF) technique. Basically the program records your voice from a microphone, delays it by a number of milliseconds, and plays the delayed sound back through headphones or speakers.
This software is a shareware. You will be able to download and test SpeechGym during a certain period of time, then, if it does what you need, you will have to acquire the full version from SpeechGym publisher. The SpeechGym 1.0 free trial version contains an installer and an uninstaller, and has a size of 754 Kilobytes.
For additional information and support request, please contact directly SpeechGym publisher.

SpeechGym Screenshot