README_RepositoryI Repository I consists of one zip folder: RepositoryI.zip which contains 6 folders, one for each vowel (see below). Each vowel folder contains 56 wav files of synthetic utterances. Each file is named [vowel]_[mode of phonation]_[fundamental frequency].wav - vowel: a, i, u, or ae - mode of phonation: normal, breathy, creaky, whispery - fundamental frequency: 100-360 Hz in 20-Hz steps Each file has two channels - channel 1: speech pressure signal - channel 2: glottal flow (volume velocity)