SLKM series Digital HD Keyer is the necessary device in HD/SD digital broadcasting and master control system. It serves to add logos, time marks and titles to the signals. Key controlled overlay reduced the required video channels. Greatly improved reliability, safety, and decreases faults and breakdowns. Parallel link of key controllers provides convenience for maintenance and troubleshooting.

Support models for HD/SD-SDI signal overlay, PAL or NTSC.

2 PGM buses and 2 PST buses.

Input REF signals, eliminate jitter.

Input channel with equalization, clock recovery.

Auto detection and status display of main signal, filling signal and key signals.

Manual/remote control, controllable by auto broadcast and control system.

Main signal bypass and memory recovery on power failure.

SLKM-2D-HD   HD-SDI, 1*PGM, 1 *PST background inputs, 2*KEY and 2 *FILL inputs, 1 REF input, 2 groups of 2*PGM/PST outputs.

Hunan Shuangln Electronic Technology Co., Ltd. was officially approved and registered by the government, which is specialized in researching and developing television and broadcast products, has more than 19-year of experience on product research, production and integration.It has a research and development team of more than 60 professors, doctors, masters and engineers, and constantly develops new products and improves product quality to satisfy customers' ever-changing requirement. It has its own professional production & installation& inspection team to ensure the quality of products and projects.

Its main products include all kinds of analog/digital audio products, and all kinds of HD/SD video products, for example, audio and video recording, editing, broadcasting, storing, monitoring and controlling systems as follows:

Digital/Analog Audio Equipment include Digital Audio Live Broadcasting Mixer, Audio Automotive Gain Controller, Audio Loudness Controller, Broadcast Time Delay, Telephone Hybrid, Audio Switcher, Audio Intelligent Emergency/Backup Switcher, Audio Matrix Switcher, Audio Distributor, Audio Balance Unbalance Converter, Analog Digital Converter, Audio Transmission Over IP/Cobranet/3G,Etc.        

Digital/Analog Video Equipment include HD/SD Video Switcher, Video Backup Switcher, Video Matrix Switcher, Loudness Controller, Embedded Audio Processor, Video Frame Synchronizer, Video& Audio Embedder, De-Embedder, Keyer, Logo Generators ,Logo Generator & Keyer, Logo& Title Inserter, Sync Generator, Etc.

Digital AUDIO/VIDEO Recording, Editing, Storing, Broadcasting, Monitoring, And Control Network. Audio Auto Broadcast Systems. Virtual Studios .Over Control Systems For Studios. Multi-Channel Audio/Video Measurement, Monitor, Analysis Systems.

GPS Timing Systems, MAM (Media Asset Management), News Script Management. Advertisement Management.

Due to their high quality and competitive prices, the products are quite popular all over the world. They have more than 3000 clients from TV stations and over 2000 from Radio stations in domestic market. And keep fast growing in international markets.