SpeechGym. Stuttering Therapy Software.

SpeechGym for Windows

System requirements
Using the program


SpeechGym is a software aimed to help people with stuttering problem control their speech fluency keeping a confidence.

SpeechGym software 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.

Read more about DAF:
American Academy of Neurology about DAF
Using delayed auditory feedback
Using SpeechEasy device that is similar to SpeechGym software

SpeechGym is a significant fluency enhancer. You can vary a delay from 40 milliseconds and more. Researches suggest that a delay as modest as 50 milliseconds is sufficient to enhance fluency for those who stutter.

System requirements

The program does not require any special software, like DirectX. At least you should have a microphone and speakers connected to your computer. The best choice is a headset that combines headphones and microphone.


Start the installation program. You should read and accept the license agreement, select the destination directory, select the start menu folder, decide whether you want to create a desktop icon. If you are not sure what an option means, please skip the step pressing the "Next" button. In this case the default setting is applied.


Press the "Options" button to configure the program:

1. Select appropriate sound cards for recording and playback in case you have more than one sound card in your PC.

2. Press the recording device "Setup" button. Make sure that microphone is selected and adjust its volume as needed.

3. Press the playback device "Setup" button. Make sure that...

  • volume control's "mute all" is unchecked and volume is not minimal
  • wave's "mute" is unchecked and volume is not minimal
  • microphone's "mute" is checked

4. If needed, change the maximum delay value and specify whether you want to auto start DAF when program starts, start program minimized or minimize program to system tray.

Using the program

The SpeechGym user interface is very simple:

Use the slider to change the delay value, and the "Start" and "Stop" buttons to start or stop the process.

Practise by reading exercises and experiment with the different delay values to find the optimal one. Initial delay may vary from 50 to 100 milliseconds.

After the basic practice you can start using SpeechGym in real situations: speaking with friends and family members, talking on the phone, talking to co-workers etc.

If the "Save recording..." is checked, your speech is saved to the specified .wav-file. When speech is recorded, you can play it in your default player (e.g. Media Player or WinAmp) using the "Play" button.


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