“…Various studies have been published about acoustic phonetics related to English vowels. In the scope of the Middle East, there are studies on Iranian English (Pillai & Delavari, 2012), Omani English (Hubais & Pillai, 2010), and others. Meanwhile, in the scope of Southeast Asia, among these studies are Malaysian English (Pillai, et al, 2010;Pillai, 2014), Singaporean English (Deterding, 2000(Deterding, , 2005, Bruneian English (Sharbawi, 2006), Thai English (Pillai & Salamae, 2013;Tsukada, 2008), Taiwanese English (Li, 2004), Philippine English (Pillai, Manueli & Dumanig, 2010), Indonesian English (Fata, Ikhwani, Fitrian, Ikhsan, Aulia, & Yusuf, 2017;Widagsa, 2015), and others.…”