http: faculty.washington.edu dillon phonresources
1Great Vowel Shift — The Great Vowel Shift was a major change in the pronunciation of the English language that took place in England between 1350 and 1500.[1] The Great Vowel Shift was first studied by Otto Jespersen (1860–1943), a Danish linguist and Anglicist, who …
2Spectrogram — The spectrogram is the result of calculating the frequency spectrum of windowed frames of a compound signal. It is a three dimensional plot of the energy of the frequency content of a signal as it changes over time. Spectrograms are used to… …
