The app calculates and plots formant frequencies of spoken vowels. It uses the first two formant frequencies to graphically show the location of a spoken vowel on a standard vowel diagram.
Turn your iPhone or iPad into a display. View in full screen with no buttons or clutter. Adjust brightness for nightstand use. Tap to dim or swipe to change brightness. Supports landscape and portrait orientations.
A with multilingual support in Japanese, English, Chinese, and Korean. Offers four time modes including standard, Canadian (premium), and NHK Cup. Tracks time remaining and alerts when time expires. Allows users to start, stop, and reset the .
