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Tips and Tricks Video 148

UHD-4K SQD vs 2SI The Video industry is always trying to improve its level of quality. In this context, 4K UHD is now coming to our TV sets and the best example will be the next world cup in Russia in June that will be covered in 4K in all the stadiums and broadcasted to each country in its native format. 4K UHD requires 8 times more bandwidth than a regular HD signal. It means that 12Mbps are needed. If we remember the difficulties faced moving from SD-SDI (270Mbps) to HD-SDI (1,485Mbps), dealing with 12Gbps SDI could be considered as quite a challenge. Fortunately, for those now wanting to take any risk, some tips exist allowing well-known process, and a lot of broadcasters are using the 4 links 3Gbps technique. So, the signal is divided in 4 equal parts and transported on 4 different coaxial cables. Two modes exist for splitting the pixels, each of one with advantages and disadvantages.
Tips and Tricks Video 129

Tips and Tricks Video 129

SDI outputs – Which one to use ? (French and English document) Since scopes are now 3G compatible, a passive loop-through is not possible anymore because at these frequencies the metallic continuity would represent a real antenna bringing a lot of interferences in the signal. The waveform monitor outputs are then all active and it means that without mains, no signal is available on these connectors. But there are many output connectors. So witch one to select and how to choose and to set the right one ?
Tips and Tricks Video 125

Tips and Tricks Video 125

Video on optical fiber measurement (French and English document) Because optical connection solutions are easier to use and manipulate, they are becoming increasingly popular in the broadcast industry. Nevertheless, when a difficulty occurs in deploying the solution, it is useful to have an equipment able to check the main parameters of the transmission path. This is precisely what the SFP option of the WFM2300 does and here are some tricks on how to use it appropriately.
Tips and Tricks Video 124

Tips and Tricks Video 124

PTP – A new reference (French and English document) To deploy systems interconnected with IP links, the most difficult issue to solve is synchronization of all the equipment’s with a unique clock. With this in mind, an old standard has been adapted for Broadcast applications: PTP (Precision Time Protocol). Originally, this technology has been used by banks for High Frequency Trading operations in order that all computers in the world have a unique clock that is millisecond accurate. This protocol has now been adapted for Broadcast applications and is well described in the recommendation SMPTE ST 2059-2.
Tips and Tricks Video 128

Tips and Tricks Video 128

When Power Cord matters (French and English document) Nothing is more simple than a power cord ! But it’s not completely true when security matters. As a matter of fact, for equipment that is so important that requires redundancy, this parameter has to be considered. And who has never unplug a power cord by mistake? Particularly when synch generators are concerned, all details are important.
Tips and Tricks Video 132

Tips and Tricks Video 132

UHD in WFM and WVR 8k (French and English document) All the oscilloscopes of the 8k series (even the very first units delivered in 2010) are now capable of measuring UHD signals and/or signals having a wide color gamut (HDR). To do so, it is necessary to add the suitable upgrade kits. Whatever is the selected kits, a Firmware upgrade is also needed and this is THE trick of the month.
Tips and Tricks Video

Tips and Tricks Video 131

TS-DF measurement (Time Stamp Delay Factor) (French and English document) In our Broadcast industry, the advent of IP transport requires to adapt to new techniques and to become familiar with new indicators. The IP has a long life and measurement techniques too. However, new algorithms had to be developed in order to adapt to Broadcast. It is in this context appears now the TS-DF indicator that measures the jitter of a network and its cumulative effect over time.
Tips and Tricks

Tips and Tricks Video 130

AS-10PAD Versus AS-11 DPP (French and English document) After many months of discussion, the French television trade organizations have adopted a common format for the file exchanges between technical industries and broadcasters. The adopted format in France is based on the AS-10 international standard form AMWA while on the UK side, they have adopted the AS-11 standard within the DPP organization. What are the differences
TipsTricks

Tips and Tricks Video 142

Picture Quality BRISQUE is a concept developed by the University of Texas to evaluate in real time and without reference the quality of a video sequence. Based on these algorithms, Tektronix introduces a new TekMOS measurement index that takes into account the quality of the image once decoded and not in its compressed data stream.

Items 1 to 9 of 51 total

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