This article explains the phonology of Malay and Indonesian based on the pronunciation of Standard Malay, which is the official language of Brunei and Singapore, "Malaysian" of Malaysia, and Indonesian the official language of Indonesia and a working language in Timor Leste. There are two main standards for Malay pronunciation, the Johor-Riau standard, used in Brunei and Malaysia, and the Baku (lit. 'standard' in Malay/Indonesian), used in Indonesia and Singapore.[1]