Choosing the Right Modulator for AV Integration

It’s important to have all your questions answered when deciding on a modulator for your AV integration. Modulation in its most basic definition is the mixing of two sinusoidal signals. The RF modulator takes an input signal and outputs a modulated signal. Which RF modulator supports all your needs? What functionality do you require? What’s your intended use for the…

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How to Choose the Right Modulator or Encoder for a House of Worship AV Integration.

QMOD SDI HDMI Modulator IPTV Encoder

In recent years, the concept of what constitutes a House of Worship has grown. It can range from a small temple or chapel, all the way up to full-fledged performance venue rivaling a concert arena. One challenge all House of Worships hold in common, though, is the need to seamlessly integrate AV systems into their services. And choosing the right modulator or encoder for…

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Are You Ready for 4K and ATSC 3.0?

If you’re not, don’t sweat it. 4K isn’t ready for 4K, and ATSC 3.0 isn’t either. Spoiler Alert: 4K TV RF/IP rests on a number of emerging technologies, so this blog is a longer than normal. Your Eyes Aren’t 4K The problem is, your eyes can’t discern 4K from normal viewing distances. You’d have to be less than 10’ from your 75” 4K TV to begin to see…

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QMOD-QIP Encoders now accept 1080psf24 video

Just when you think you know a thing or two about video formats, you find there’s always one more thing you didn’t know about. 1080psf24 stands for Progressive Segmented Frames. When the 1080p standard appeared, there were many cameras and video storage systems based on 1080i and couldn’t handle 1920 x 1080 progressive frames. So studios created a hybrid format called…

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New QMOD/QIP Update Reduces Latency to 500 Milliseconds and adds RTP Streaming

Contemporary Research announces that the latest QMOD Encoder-Modulator firmware update reduces end-to-end latency averaging 500 ms. End-to-end latency includes both the encoding and decoding delay for typical TVs; and unlike IPTV, there is no latency delivering the streams over RF. Sports venues with QMOD technology will now enjoy the lowest standard latency for…

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Working with Latency in Digital RF Applications

Latency is the delay between the video source and the time it takes to appear on the TV or screen. For live presentations from an on-site video switcher, the delay is usually due to scaling and rescaling the video, as well as processing delays in switching and effects. This can typically range from nearly instant to a few seconds. In digital RF and IPTV, an HD program…

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Doug’s Q-Tips – Viewing QMOD/QIP Web Pages from the USB port

When you don’t have an Ethernet connection – which is often the case in a new installation – you can view the QMOD Web pages through the front USB port.  The IP address of the USB port on the QMOD is 192.168.227.227. You will need to assign a special address to connect with the QMOD internal network: Connect a USB cable from the QMOD to your Windows PC.  The unit…

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IPTV Receiver Overview – BrightSign Media Players

We are constantly evaluating IPTV receivers, evaluating streaming capability, options for creating and updating playlists, and how well they perform in an integrated system control environment. In general, there are two classes of players: Basic IPTV players that present a list of titles, selected by an IR remote. Simple setup for playlist, select from list with IR…

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