Rohde & Schwarz shows all the potential of its solutions for storage, header and transmission in 4K Rohde & Schwarz displayed on the 4 K-UHD Summit of Seville a pilot which demonstrates the possibility of issuing three signals 4K on a DVB-T2 only multiplex Cellnex distributed live to Seville, Madrid and Barcelona.
Rohde & Schwarz It has deployed in the 4 K-UHD Summit Seville a complete demonstrator for 4K real-time broadcast. This pilot is based on a native Server 4 K Venice equipped with two channels. This team manages the classical tasks of video server, such as the consumption of HD-SDI, reproduction study and channel, as well as tasks based on files such as importing files, transcode and transfer of media operations.
From the server, show 4K signal is sent to a header where it is encoded in 4K HDR. The R & S AVHE100 header integrates all functions essential for coding and multiplexing in very few hardware components, which makes it one of the most compact systems on the market. Its basic components are the processing R & S AVS100 platform and the audio and video R & S AVG100 gateway. From this single solution it encodes and statistical multiplexing of the 4 K signal is made.
The R & S AVHE, fully software-based platform is scalable, extensible, and can be easily updated to new formats. The system of management of header integrated offers access full to all them configurations using a GUI well structured in a single screen. Controls all the components of the integrated system such as decoders, encoders, multiplexer, scrambler, T2MI gateway and more.
An of them signals that depart from the header is routed via IP to the transmitter. In this pilot is is using the new transmitter R & S TLU9 of 200 watts. This transmitter is characterized by considerably reduced operating expenses. Its advanced components and an architecture that significantly improves the quality and stability of the signal. The transmitter has with a battery of book integrated that prevents that the interruptions of the supply electric of until ten seconds cause a restart of the transmitter, what reduces the time of inactivity to the minimum. The R & S TLU9 transmitter air cooled available with powers of 1 to 400 W output.
Another signal of this pilot is sends to a monitor prior step by a team of test ETL de Rohde & Schwarz. This solution has with a platform multistandard universal for analyze signals of television and combines the functions of a receiver of television of test and an Analyzer of Spectra, together with an Analyzer of flow of bits in an instrument very portable, while maintains a high precision in the measurement. The unit bit stream capabilities include measurement and registration of seven parameters of transport stream. The ETL also provides overall bit rate, along with information on how that bit rate is divided among the various services that are transmitted. In addition, the ETL provides image and sound for each one of the channels encoded in the flow that one is analyzing.
Multichannel monitoring
In parallel is leads to out a monitoring multi-channel with the multivisor BMM-810 that monitors signals 4 K / UHD through IP, ASI and 3 G-SDI. Although apparently is is of a MultiView, this instrument of measure goes much more beyond since offers a monitoring combined of services of broadcasting and OTT with compatibility full for H.265 / HEVC and SDI on IP (SMPTE 2022-5 / 6). Here is configured for make a measure of quality based on of them signals that enter from the Venice and which out of the header offering a value differential of form graphic, image referential (brand in red in the image them differences that appreciate between them two images) evolution in the time,
Gracias a esta tecnolog a Cellnex Telecom ha conseguido emitir durante esta 4K-UHD Summit para las reas metropolitanas de Sevilla, Madrid y Barcelona tres se ales en Ultra Alta Definici n 4K HDR en un solo m ltiplex con codificaci n HEVC y multiplexaci n estad stica. A pesar de que muchos pensaban que esto no ser a posible, en la 4K-UHD Summit est quedando patente que esto ya es una realidad gracias a los sistemas de cabecera y codificaci n de Rohde & Schwarz y todo ello en apenas 34 Mbps , ha comentado Albert Donate, director de ventas del rea broadcast&media en Rohde & Schwarz.
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Rohde & Schwarz shows all the potential of its solutions for storage, header and transmission in 4K Rohde & Schwarz displayed on the 4 K-UHD Summit of Seville a pilot which demonstrates the possibility of issuing three signals 4K on a DVB-T2 only multiplex Cellnex distributed live to Seville, Madrid and Barcelona. 
