In Ancient Egyptian Phonology.
Allen also explores variants, alternants, and the development of sound in texts, and touches on external evidence from Afroasiatic cognate languages..
Using the internal evidence of the language, he proceeds from individual vowels and consonants to the sound of actual Ancient Egyptian texts.
James Allen studies the sounds of the language spoken by the Ancient Egyptians through application of the most recent methodological advances for phonological reconstruction.
In Ancient Egyptian Phonology