During the simultaneous interpreting, the interpreter speaks simultaneously as the speaker and interprets his speech into the foreign language. Simultaneous interpreting is especially used when a large group of people are present at the event in question..
During the simultaneous conference interpreting, the interpreter is sitting in an interpreting booth and interprets simultaneously with the speaker. The interpreted speech is disseminated to the participants using modern interpreting systems. In general, two interpreters are present and take turns.