OISA TRADUCCIÓN SIMULTÁNEA Reliability, Experience and Guaranteed Results. "Let us guide you through the complex world of simultaneous interpreting & Technical Production". With OISA as your simultaneous interpretation specialists, language never has to be a barrier to the free exchange of ideas. Complete presentation sound systems (speakers, amplifiers, mixers) Wired microphones DCN NEXT GENERATION BOSCH .Audio conferencing. Audio recording. Simultaneous interpretation