Because this software is a legacy product (most popular in the 90s and early 2000s), an "update" usually refers to modern efforts to make it work on current operating systems or the release of a specific patch.

Her finger trembled over the Confirm icon.

The software divides its interactive "games" and exercises into several distinct targeting areas:

Research and evidence (summary)

Studies on visual biofeedback for speech show positive effects for articulation, prosody, and voice therapy—particularly when feedback is immediate and practice is structured. Effect sizes vary by disorder and age; best outcomes occur when visual feedback is integrated into a broader therapy program.

In real-world testing, round-trip latency can be as low as 4–8 milliseconds. For the first time, patients can see their pitch contour change simultaneously with their vocal fold vibration—a game-changer for teaching rapid voice onsets and vocal fry control.

Whether you are using a patched version of the original or a modern equivalent, the functionality remains centered on these visual feedback loops:

as a shortcut key for time scaling in Phoneme Model creation.