Some displays for computer-analysed speech

The classical displays used in speech analysis are the spectrum for single sounds and the spectrograph for continuous speech. Recent work using linear prediction analysis has led to the display of the vocal tract area function and this has been found useful in the speech training of single sounds for the deaf. The paper describes the extension of the area function to an areagraph display for continuous speech. This has been developed for the training of continuous speech, and various forms of the areagraph are described and compared with the spectrograph. Areagraph displays are also thought to be potentially useful in applications other than speech training.