… the app is collecting data to measure variables from the video and audio signals, such as speed of lip and jaw movements, speaking rate, pitch variation, and pausing … upon initial diagnosis while motor neurons are still intact. Modality is helping meet the medical need for a diagnostic tool that helps identify ALS earlier, improving the … the app is collecting data to measure variables from the video and audio signals, such as speed of lip and jaw movements, speaking rate, pitch variation, and pausing …