The participant must maneuver their way around the opera house to find each of the five spotlights
and then compete with Aria in resonant voice therapy
tasks (Figure 1). Points are cumulated during each vocal task
(spotlight) through a pitch detection algorithm developed by
the video game designers, which measures cepstrum coeffi-
cients and harmonic product spectrum. The player’s values
are then compared with the original data and points are assessed
based on percent of accuracy for pitch and amplitude. The most
points at the end of the fifth spotlight will win the game.