Making its first move into mobile IP-based audio for electronic field production (EFP), Chinese state broadcaster CCTV has commissioned a setup based around mc mixing consoles from Lawo and RAVENNA real-time audio transport. In addition to being a first for CCTV, this is also the first such system operating anywhere in China and represents a major milestone for German technology pioneer Lawo and the project's main contractor, the NDT Group. Headquartered in Hong Kong, NDT has an operation center in Beijing through which it acts as a distributor and system solution provider to the broadcast, telecommunication and other professional industries in China. This project is the latest in a longstanding relationship between CCTV and NDT.
With an audience in excess of a billion people, Chinese state broadcaster CCTV's output spans news, documentary, comedy, entertainment, drama and sports programming delivered via 45 TV and radio channels. In June 2017, CCTV actively began researching IP-based mobile EFP for its production of sports and music programs - Lawo received the order the following month, and the system is now fully operational in readiness for CCTV's coverage of the biggest international sports event that will begin in Pyeongchang, South Korea, on 9 February 2018.
CCTV has been using Lawo mixing consoles since 2008, and presently counts four 400-square-meter studios and three news studios using Lawo mc 66 mixing consoles, as well as a small audio OB van equipped a Lawo mc 56 console. The new installation of Lawo mc consoles will bring full IP configuration to CCTV for the first time.
Our Lawo consoles have proved to be highly reliable and easy to operate, and provide us with the most advanced technology, said a CCVT spokesperson. IP (RAVENNA) is not only compatible with AES67, but also offers us more features and functionality.
The move into mobile IP-based audio is designed to enhance CCTV's capabilities for dedicated audio production and broadcast in sports and music programming, especially for large-scale sports such as the forthcoming event in Pyeongchang. NDT designed the system using a typical spine-leaf IP switch network, with two Cisco 3850 switches acting as main and backup respectively. A further six Cisco 2960 switches provide main and backup support for three remote stage-boxes on one system. NDT also provided global surveillance software to monitor the status of the PTP master clock and log files of the switches.
The operators' setup comprises two 32-fader Lawo mc 56 consoles, each providing 288 DSP channels and a routing capacity of 8192x8192 mono channels, and two 16-fader mc 36 consoles with 192 internal DSP channels and 512x512 crosspoints. Using SoundGrid, integration, the systems have both MADI and IP RAVENNA/AES67 compatible interfaces, with dual router cards.
This gives CCTV an IP audio mobile system that will operate together with another IP video mobile system designed for 4K broadcasting. This includes two Lawo DALLIS I/Os taking care of the AES signals passing to and from EVS, and three remote stageboxes configured with six A__mic8 plus one A__mic8 and three A_digital8 interfaces, as well as one A__madi4 at the local end.
As the first IP audio mobile system for CCTV and the whole country, this project is an excellent reference for Lawo audio systems, said He FangMing, Chief Representative for Lawo China/Hong Kong/Macau.
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Making its first move into mobile IP-based audio for electronic field production (EFP), Chinese state broadcaster CCTV has commissioned a setup based around mc mixing consoles from Lawo and RAVENNA real-time audio transport. In addition to being a first for CCTV, this is also the first such system operating anywhere in China and represents a major milestone for German technology pioneer Lawo and the project's main contractor, the NDT Group. Headquartered in Hong Kong, NDT has an operation center in Beijing through which it acts as a distributor and system solution provider to the broadcast, telecommunication and other professional industries in China. This project is the latest in a longstanding relationship between CCTV and NDT.
