For more than 60 years, Thomson Broadcast has forged extensive experience in the fields of Digital Terrestrial Transmissions (DTV) and AM Radio, including DRM. At the service of both public and private broadcasters, Thomson Broadcast is responsible for more than 50 active patents, some of which have greatly influenced the current scope of the broadcast industry. Thomson Broadcast has deployed more than 50,000 equipments in more than 170 countries, actively participating in the evolution of television and radio transmission. Through the development of the Pulse Step Modulation (PSM) in Radio and creating the automatic Digital Adaptive Pre-Correction (DAP), Thomson Broadcast has largely contributed in shaping the transmission market.