Phonetic keyboard layout Phonetic keyboard layout A phonetic keyboard layout is a setup in which the letters of a language correspond to the keys in the keyboard layout for another language and assumes a one-to-one correspondence between letters in the languages that is based on their sound. Russian has two popular keyboard layouts: The Cyrillic letters are on the same keys as similarly-sounding Roman letters: A-А, Б-B, В-V, Г-G, Д-D, Ф-F, K-K, O-O and so on. There are Russian phonetic layouts based on the QWERTY layout and others based on other localized layouts. The Russian phonetic layout is especially suited for foreigners studying
Computer keyboard for fast typing (hitting new keys before the fingers can release previous keys), and games (designed for multiple key presses). As direct-contact membrane keyboards became popular, the available rollover of keys was optimized by analyzing the most common key sequences and placing these keys so that they do not potentially produce phantom keys in the electrical key matrix (for example, simply placing three or four keys that might be depressed simultaneously on the same X or same Y line, so that a phantom key intersection/short cannot happen), so that blocking a third key usually isn't a problem. But lower-quality keyboard