Crystal Vision shows latest keying, audio and distribution solutions at the 04 NAB Show (Boo N55)

On Booth N1525 at the 2014 NAB Show Crystal Vision will be demonstrating the new control options for its Safire 3 real-time chroma keyer, including a dedicated touch screen control panel and a web browser running on any device. Also on show will be products to provide both simple and sophisticated station branding: the LKEY 3 linear keyer and the MultiLogo three-layer logo keyer with its internal storage for up to 500 graphics and advanced audio features. The introduction of dual channel audio embedders and video distribution amplifiers helps bring financial savings to systems, while Crystal Vision demonstrates its usual audio flexibility with the ADP 310 which provides discrete audio processing and delay for both analogue and digital audio.

Booth visitors will be able to try out the recently-added Shadow Density and Key Shrink processing features on the Safire 3 real-time chroma keyer using two new control methods which are both available now. Ideal for all live virtual productions and the only dedicated chroma keyer for 1080p, Safire 3 works with 3Gb/s, HD and SD sources and features multi-point sampling for easy auto-setup, an extensive range of fine-tuning tools including built-in colour correction and lighting compensation, and timing adjustments including a frame synchroniser on each input and ten frames of video delay. The latest enhancements for Safire 3 have focused on making it a pleasure to operate, with the two new control methods developed through consultation with knowledgeable customers who operate chroma keyers on a daily basis. The Safire 3 Controller is a stylish dedicated 3U control panel able to operate any number of Safire 3 chroma keyers over an Ethernet network, with the large, intuitive eight inch touch screen and physical controls making it ideal for live use. It can sit on a desk stand, be fitted into a desk or be rack mounted. Eight hard buttons can be used to select the chroma keyer to be controlled, to monitor the incoming and outgoing signals and to recall and store presets and can also take the operator straight to the home screen or back through previous menus. Soft buttons on the touch screen are used in conjunction with physical knobs to access the various intuitive setup menus, which allow the key processing, masks and engineering settings to be configured with ease. Also available now, the free VisionWeb Control allows Safire 3 to be operated from a web browser running on any device which is connected to the same network from PC to tablet. To access the control menus (which have a similar feel to those of the Safire 3 Controller), the operator simply types the IP address of the frame into the web browser.

At the 2014 NAB Show Crystal Vision will be covering all applications for adding graphics to a video source, with the introduction of products to provide both simple and sophisticated station branding. Designed for the simple keying of one graphic over 3Gb/s, HD or SD video streams, the affordable LKEY 3 brings with it a number of new features appearing on a Crystal Vision linear keyer for the first time: it is the companys first 1080p-compatible linear keyer, and features masks with adjustable edge softness, as well as a frame synchroniser on each input along with an additional ten frames of video delay ideal for matching any big system processing delays.

For engineers seeking a more powerful device, the latest version of the MultiLogo logo keyer is a sophisticated video and audio branding tool for adding up to three graphics to HD or SD video sources, and provides 4 GB or 8 GB of internal storage for up to 500 graphics. Features include numerous key processing controls, look-ahead preview, clip recording and trimming, Quick Text, the ability to store 255 partial presets and relay bypass protection. MultiLogo can embed up to four audio groups into its video outputs, with audio mixing allowing this output audio to be generated from a mix of the audio embedded on the video input and a voiceover or sound effect sourced from either the two internal audio stores or from an external AES input. The voiceover or sound effect can be faded in and out and have its level adjusted, while the main programme audio can be partially or fully dipped allowing it to be either mixed with or be replaced by the voiceover. Audio and video cross fading is additionally available.

Crystal Vision will be showing new products for both discrete and embedded audio on Booth N1525. The ADP 310 is a flexible audio processor and delay line for systems using discrete analogue or digital audio, and is designed for applications such as processing audio, matching audio to a delayed video path or reordering audio channels. The ADP 310 can provide processing and delay for four stereo pairs of AES or two stereo pairs (four mono channels) of analogue audio, with the audio inputs and outputs configured using the standard Crystal Vision piggybacks: the 3G-AIP2 and 3G-AOP2 for analogue audio and the DIOP4 for AES. The ADP 310 provides extensive audio processing. Audio gain adjustment allows the audio levels to be increased or decreased to match the rest of the system with each channel independently adjustable between +18dB and -18dB in 0.1 steps, while stereo to mono conversion is available to help those broadcasting a multi-language service. Each of the audio channels can be muted to silence or can be individually inverted, while asynchronous 48kHz AES can be resampled. The ADP 310 can also be used as an analogue or digital audio delay line, with up to 400ms of user adjustable delay available. Flexible audio routing allows any of the channels to be shuffled. Signal monitoring is available, with two GPI outputs providing alarm indication of reference missing and audio silence.

TANDEM 320 is the latest embedded audio product from Crystal Vision and is shipping now. For engineers who require

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