Decoder HDMI IN

In addition to displaying monitoring footage on a large screen, the control computer screen and conference signals often need to be projected as well. The new generation C series decoder launched by TP-LINK supports one HDMI input. Additionally, the TP-LINK matrix TL-VS7500, paired with an encoding service card, can support multiple HDMI inputs, meeting the needs for displaying various visual content, including computer screens. Below, we will introduce the HDMI input function of TP-LINK decoders.

What is the HDMI IN Function of a Decoder?

Decoders that support HDMI IN not only decode regular monitoring footage for display but also come with built-in encoding modules, integrating capture, encoding, compression, and decoding. They can compress and encode input audio and video signals (including HDMI, DVI, VGA signals, etc.) into network signals and output them to a large screen via HDMI OUT.

TP-LINK Decoder HDMI IN Support Status

The 4/9/12 channel C series decoders support only one HDMI input, while the TL-VS7500 matrix can support up to 20 HDMI inputs when paired with the TL-NVEU7604S encoding service card, fully meeting the projection needs in conference rooms and auditoriums.

Typical Application Scenarios

Display Computer Screen on Large Screen

In the monitoring center, besides displaying monitoring footage on the large screen, it is often necessary to project the computer screen as well. For example, management computers may need to run visual displays on TUMS, view real-time alarm messages, etc. Of course, if you want to play a video, display images, watch movies, or hold video conferences on the large screen, all of this can be achieved through the decoder’s HDMI IN function.

Recorder Display Output on Large Screen

For medium and small monitoring projects, using a server + decoder + storage server can be costly and difficult to control. Users (administrators, security personnel, on-duty staff) hope to freely control through the screen. Using NVR + C series NVD can achieve this. NVD supports adding NVR and can directly preview NVR channel footage and playback recordings. When the NVR’s HDMI input is connected to the NVD’s HDMI IN, it can directly output the NVR’s GUI to the large screen for display and control without needing a separate monitor for the NVR.

Operation Method and Effect Demonstration

Taking the computer screen display as an example, we will demonstrate the configuration steps and effects.

Wiring Method:The management computer host is connected to the decoder’s HDMI input interface via HDMI cable, and the decoder’s HDMI OUT is connected to the large screen;

Duration00:47

Decoder HDMI Function Usage Guide

Low Latency, Smooth Display

TP-LINK decoders have deeply optimized the encoding and decoding latency issue, controlling the overall latency to under 120ms. The image output on the large screen from the decoder is almost synchronized and smooth with the original computer image.

Note: The above latency test video frame rate is 60fps, with an average latency of about 7 frames, which is 116.6ms.

END

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