the Link Electronics Gemini encoder device

New Gemini Dual Caption Encoder Provides Versatile, Cost-Effective Closed Captioning Solution

Link Electronics introduces the Gemini Dual Caption Encoder, a next-generation solution designed to transform the way broadcasters and institutions manage captioning. By enabling two caption encoders to connect through a single Ethernet port, the Gemini reduces rack space, streamlines network connections, and delivers a cost-effective answer for organizations managing multiple streams.

The Gemini is a 3G/HD/SD-SDI closed caption encoder equipped with six versatile communication ports (two each of Ethernet, RS232, and USB) and the ability to deliver captions over IP. Its advanced design accepts two simultaneous 3G/HD/SD-SDI data streams, providing each input with two caption-encoded outputs of the same format, one of which can be decoded. With re-clocked SDI outputs that surpass the performance of many distribution amplifiers, the Gemini ensures signal quality that meets and exceeds industry standards while preserving ANC data, including audio.

The Gemini was engineered to serve a wide variety of environments including broadcast studios, educational institutions, houses of worship, post-production facilities, and government organizations. Its flexibility allows two captioners to send data independently to separate SDI streams or a single captioner to feed both, ensuring maximum workflow efficiency. The system even allows the audio from the primary SDI stream to function as a USB microphone, creating opportunities for seamless integration with platforms like Zoom or speech recognition software.


With eight GPI controls, four per stream, the Gemini makes it simple to stay compliant with FCC mandates and respond quickly to dynamic broadcast needs. Operators can easily switch between encode modes, bypass encoding remotely, manage decode services, and utilize the Weather Lift function to ensure captions never block key on-screen content. Built-in caption data recovery and decoded output features provide reliable quality monitoring, and a GUI connection allows users to remotely access and control the unit.

Supporting both line 21/22 CTA-608 waveform and SMPTE 334 Caption Data Packet (CDP), the Gemini handles SD and HD encoding with precision. Its XDS packet capability includes Parental Guidance (V-chip) and Transmission Station Identification (TSID), making it a comprehensive and future-proof tool for captioning professionals. For additional information on the Gemini Dual Caption Encoder visit https://linkelectronics.com/product/gemini/ .

Developed with input from broadcasters and captioning professionals following the successful launch of the Orion encoder, the Gemini continues Link Electronics’ tradition of innovation and customer partnership. Like most Link products, it is proudly manufactured in the USA at the Branson, MO facility, supported by a 10-year industry-leading warranty and 24/7 technical support. For additional information visit www.LinkElectronics.com, or call (417) 320-3438, or via email at sa***@*************cs.com.


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