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KBS IP broadcasting upgrade commissioned remotely

KBS IP broadcasting upgrade commissioned remotely

KBS IP broadcasting upgrade commissioned remotely


Korean Broadcast System (KBS) has installed Lawo IP technology at its Seoul HQ TV production facilities. In a drive to create a completely new IP-based production workflow, the public broadcasting headquarters also include a new mc²96 grand production console and mc²36 “all-in-one” console.

Replacing dated mixing systems unable to meet requirements for current productions, the native IP mc²96 and mc²36 mixers integrate Ravenna/AES67 networking that will promote flexibility, scalability and greater efficiencies going forward. The upgrade also includes Lawo Dallis stagebox interfaces and a Nova routing system. Working closely with KBS engineers and Lawo technical staff in Germany, Dong Yang Digital performed the systems integration and successfully conducted a remote FAT (Factory Acceptance Test) prior to commissioning in early August.

“We are positive that we have made the right choice in embracing IP as the basis for our technical upgrade,” commented head of KBS’ TS-15 audio production, Choi HyoSub. “We are very pleased with the quality of the first TV productions mastered using our new Lawo systems. The new IP infrastructure gives us full access to all audio resources on demand, without having to perform changes physically like we used to. The new infrastructure is very flexible and efficient — it definitely makes our lives easier.”

Lawo’s flagship 88-fader mc²96 now functions as KBS’ main mixing console in the completely renovated production complex. Optimised for IP-based video production, the mc²96 boasts more than 300 DSP channels plus SoundGrid integration extending its use to mixing concerts at a KBS site. The music programmes and concerts, in addition to KBS TV drama, entertainment and film award ceremonies, are produced in the “TS-15” SRC with live audiences in an open-studio concept. The companion 40-fader Lawo mc²36 oversees the mixing of live studio performances in addition to serving as sub-mixer and backup mixer for the mc²96.

In addition to the new Lawo consoles, the facility’s renovation encompassed a full replacement of stage and audio infrastructure of the KBS TV concert hall. The main loudspeaker system was replaced and a Lawo Nova73 router was specified to provide mic/gain control for each console, a MADI connection for FOH and the monitor mix consoles together with fully redundant Ravenna integration. Two modular Lawo Dallis I/O units are configured as stageboxes to provide 112 mic/line inputs and 44 AES3 digital inputs.

The global health crisis prevented in-person commissioning of the new equipment, so installation, configuration and FAT was conducted using the remote procedures recently developed by Lawo. According to Myoungho Seo, the remote configuration and testing went smoothly, with all phases of the project running according to schedule.

According to the technical requirements of the TS-15 audio production team, the system configuration was done by Lawo engineers. KBS’ audio production team reviewed the captured video clips created by Lawo’s team, and then oversaw the hardware status and configuration test online during a live, remote joint technical session. The remote tools Lawo offers, like mxGUI remote control, in combination with computers and webcams, proved the solution for the installation and configuration as well as training sessions during the course of the project.

“We are very honoured that KBS chose us to provide services, expertise and the best equipment on the market for this important project,” added Dong Yang Digital director Myoungho Seo. “The KBS’ TV production facility and technical management teams were impressed. DYD and Lawo joined forces with KBS to achieve a successful project with a customised installation ready for immediate use in major audio productions on time.”

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