page_title: Language interpretation
section_title: Simultaneous
hierarchical_section_title: Language interpretation / Modes / Simultaneous
caption_attribution_description: Deutsch: Simultandolmetscheranlage (Televic Conference) beim Europäischen Gerichtshof
context_page_description: Interpreting is a translational activity in which one produces a first and final translation on the basis of a one-time exposure to an expression in a source language.
  The most common two modes of interpreting are simultaneous interpreting, which is done at the time of the exposure to the source language, and consecutive interpreting, which is done at breaks to this exposure.
  Interpreting is an ancient human activity which predates the invention of writing. However, the origins of the profession of interpreting date back to less than a century ago.
context_section_description: Simultaneous interpretation (SI) suffers the disadvantage that if a person is performing the service the interpreter must do the best he or she can within the time permitted by the pace of source speech. However they also have the advantages of saving time and not disturbing the natural flow of the speaker.  SI can also be accomplished by software where the program can simultaneously listen to incoming speech and speak the associated interpretation. The most common form is extempore SI, where the interpreter does not know the message until he or she hears it.
  Simultaneous interpretation using electronic equipment where the interpreter can hear the speaker's voice as well as the interpreter's own voice was introduced at the Nuremberg trials in 1945. The equipment facilitated large numbers of listeners, and interpretation was offered in French, Russian, German and English. The technology arose in the 1920s and 1930s when American businessman Edward Filene and British engineer Alan Gordon Finlay developed simultaneous interpretation equipment with IBM. Yvonne Kapp attended a conference with simultaneous translation in 1935 in the Soviet Union. As it proved successful, IBM was able to sell the equipment to the United Nations, where it is now widely used in the United Nations Interpretation Service.
  In the ideal setting for oral language, the interpreter sits in a sound-proof booth and speaks into a microphone, while clearly seeing and hearing the source-language speaker via earphones. The simultaneous interpretation is rendered to the target-language listeners via their earphones.
caption: Simultaneous interpreter's station (Televic Conference) at the European Court of Justice
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