When Do Syncing

In the earth of professional video and audio production, maintaining a synchronized signal across multiple units, such as video cameras, screens, LED walls and multi-projector installations tin can exist the difference betwixt success or… disappointment (putting it mildly!).

So how can you synchronise the video signals coming out of dissimilar sources? In this blog, nosotros take a look at genlock, framelock and timecode sync.

• When do you demand to lock a device with others?
• What is genlock?
• What is framelock?
• What is timecode?
• Genlock vs framelock
• What is frame sync?
• Timecode vs sync

When do you need to lock a device with others?

Whenever nosotros talk nearly big, multiple display systems, it is of import that the video frames and signals are synchronized with all the available video sources. A single lag can result in a delay of video output in the display screens. Signals need to be synchronized among all the output video sources and that means locking a device with others.

What is genlock?

Genlocks, generator locking , is the technique is used to synchronize video signals, coming out of a point generator or like source, to the other flick resources. Genlock engineering science is widely used in video applications as it has the potential to mix video images and computer graphics.

One of the about common genlock applications is to synchronize cameras. The case unit shown hither implements a pulse which is used to create frames inside the camera. This pulse further sends a bespeak to inform all the devices to capture frames simultaneously.

Genlock eliminates vehement

In a scenario where you take multiple projectors or a large LED wall, you need to synchronize the output signals from the playback organization (often a media server, such as a WATCHMAX from Dataton). A synchronized output will ensure a loftier quality image and a flicker-free and tear-gratis image.

What is frame lock?

When videos and movies are shown across multiple brandish screens, it'due south crucial that all the screens display frames simultaneously. Framelock helps in creating a virtual sheet in which the image continuity is maintained beyond all the screens. It involves the use of multiple hardware resource. From a 3D stereoscopic perspective this locking is a critical aspect.

What is timecode?

The timecode can be defined as a list of numeric codes, which are generated at a compatible interval of fourth dimension with the help of a fourth dimension synchronisation system. If we are required to synchronise multiple cameras, video or audio recorder, nosotros generally implement timecode.

Genlock vs Framelock

Genlock is used to sync video signal or pixels to an external synchronisation source whereas framelock is used to sync the frame charge per unit of a video source to an external synchronisation source.

In the case of genlock, while synchronising the SDI output to an external source, the SDI refresh rate is adamant with the help of a sync source. With framelock, the SDI refresh rate is determined with the help of valid modes. These modes are displayed in the output video format list.

Hardware supported by Framelock and Genlock

The following is a list of supported hardware by framelock and genlock:

• Quadro G-Sync, along with the Quadro FX 4400, Quadro FX 4500, or Quadro FX 5500
• Quadro 1000-Sync II, along with the Quadro FX 4600, Quadro FX 5600, Quadro FX 4800, Quadro FX 5800, Quadro 5000.
• Quadro Sync, forth with the Quadro K5000
• Quadro Plex 1000 (Model: I, 2 and Four) along with the Quadro Plex 2200 D2, or Quadro Plex 7000.
• AMD S400 combined with the AMD W7100, W9100, and the newer WX7100 and WX9100 cards

What is frame sync?

Frame synchronization can be defined as the manner to synchronize display pixel scanning to a synchronization source.

During this process, the multiple brandish systems are synchronized with each other past transmitting a synchronization signal from a master organization to all the other systems in the entire network. This process is accomplished with the assistance of a frame synchronizer.

Timecode vs Sync

See timecode every bit a clock which counts in frames. These clocks tin can exist synchronised then that the timecode values are identical on each device, connected electronically, or synchronised and run independently.

Synchronization can be defined as the process of merging the audio signals with video signals or frames with the pixels of the video source. Also, you can sync lights, visuals, SFX to the signal resources.

Typical applications for sync

• Circulate TV studio: Broadcasting can be defined as the process of transmitting audio besides as video content with the help of an electronic communication medium, as in radio and tv.
• Video wall with multiple display servers:A video wall is generally a setup that is comprised of multiple monitor screens, video projectors, or TV sets. Yous can use LCD panels, directly view LED arrays, blended project screens, light amplification by stimulated emission of radiation phosphor displays, and rear projection cubes.
• Live shows with multiple media servers:Live shows similar concerts, stage shows, or events implements media servers to broadcast its live coverage. The media server can be defined every bit a dedicated server which is responsible for processing the playback of video, even so images and other artistic compositions as well as being integrated with equipment such as audio and lighting consoles.

Lead image: This archive all the same is from the set up of "Minute to Win Information technology", U.s.. WATCHOUT production past Groundwork Images.

 

jeffersonwhingent.blogspot.com

Source: https://newsandviews.dataton.com/genlock-framelock-timecode-sync-when-do-i-need-them

Share this post