Innovative Digital Terrestrial Multimedia Broadcasting System

JSC "SARAPUL RADIO PLANT", SARAPUL, UDMURT REPUBLIC

JSC "Sarapul radio plant" is the developer of a wide range of receivers in the RAVIS standard.
Since the 2000s, the engineering department of the Sarapulsky radio plant has developed the first domestic digital radio in the short-wave range in the DRM standard and conducted tests in 2007 and 2009 in the Deutsche Welle laboratory.
JSC SRZ makes prototypes of digital radios in the RAVIS standard: RAVIS, Real-time Audio Visual Information System. RAVIS is designed for broadcasting in the ranges 66-74 and 87.5-108 MHz (VHF and FM) and transmits in these ranges from 10 to 15 programs with stereo sound CD-quality in one standard radio channel or high quality video stream (TV program).
Based on cooperation with the developer of the MFTI standard, Moscow, the first 50 copies were made for testing in pilot zones. The company has extensive experience; for several decades, it was the most popular domestic manufacturer of stationary and mobile radios under the brand name "Ural". Simultaneously with the work in the RAVIS standard, this company has developments for radio receivers in another digital standard - DRM. It has been an associate member of the international DRM consortium since 2006. Now for the second year it has been a supplier of such devices for Personnel Department of Defense Ministry of the Russian Federation. In addition to the implementation of digital broadcasting in regional centers owing to the RAVIS standard, the DRM standard will provide information flows with powerful radio broadcasting to Siberia, the Far East and the Arctic at distances of 2,000 km or more.
Alexander Svinin, first Deputy Chairman of the government of Udmurtia and V. Lashkarev, Minister of industry and trade of the Udmurt Republic, visited Sarapul radio plant on 26 October 2018. Prototypes of the RAVIS digital receivers were presented to the Delegation of the government of Udmurtia.

Communication options with external devices

The appearance of the receiver for the test period