Phonetic Phenomena in the "Yanbu" Dialect and its Linguistic Origins

This study deals with the dialect of Yanbu region and its acoustic behavior that constitute special landmarks in the wide local dialect range and trying to provide historical analysis for the Acoustic phenomena of this supported dialect.in order to stand on an important side of the historical linguistic lesson, showing a form of language movement and evolutional use, dating for a temporal and spatial period of time of its extended history. In order to achieving this scientific purpose, the study highlights the most exciting scientific interesting acoustic phenomenon in this dialect. This treatment included the following dialect phenomenon: emphasis of (A), phonetic substitution of (s) to (S*), (ð) to(d), (h) to (w), (q)to(γ), (γ) to (q) and (θ) to (t), simplification and other substitutions.