LiveShot encodes and decodes video to the H.264 codec standard, which is the state-of-the-art codec for high quality video using low network bandwidth. But not all H.264 encoders are alike. Within the standard, several lesser-quality profiles are available to conserve processing power. For optimal video quality, LiveShot encodes with H.264 HIGH profile. While this option is unavailable in competing products, all H.264 options that maximize quality over poor networks and decrease latency are implemented in LiveShot.
Comrex has years of experience encoding live, low-latency audio over IP networks for broadcast, and LiveShot shows it. In addition to standard AAC audio coding, LiveShot uses HE-AAC and AAC-ELD audio coding, both reducing network bandwidth and lowering delay.
LiveShot can encode and decode an audio/video stream with less than 200mS delay (depending on encoding mode and network factors). LiveShot uses an automatic decoder buffer manager to keep delay to an absolute minimum.
LiveShot delivers full-duplex video and stereo audio. In addition, a full-duplex cue channel is available between the systems.
LiveShot utilizes CrossLock technology to create a stable and secure connection across the public Internet. CrossLock adds intrusion protection, encryption, and forward error correction. Using CrossLock, LiveShot units are able to connect at the touch of a button.
The most advanced network management tool on the market today, CrossLock gives users the ability to use multiple IP networks together simultaneously. When a new network is introduced, Crosslock will immediately evaluate how much bandwidth is available, while factoring in latency and jitter information, and combine the two connections to take advantage of all available bandwidth (in bonding mode).
More than just combining networks, CrossLock can also monitor and dynamically adjust how much of your stream is being placed on each network, in real time. When necessary, CrossLock can apply appropriate error correction, recovery, or concealment techniques. And when a network becomes unusable, CrossLock can isolate it, without any user intervention.
CrossLock alternatively has the ability to use multiple networks to send identical streams (in redundancy mode).
Comrex Switchboard is a feature that allows users to bypass common IP networking snags (like private LANs and firewalls) by routing data through a private server maintained by Comrex.
Switchboard within the hardware codec enables the following functions:
Switchboard TS is included in the purchase of any LiveShot codec.
The Comrex Connect Modem is designed to support the unique needs of remote broadcasters. A high-powered, industrial strength 4G/LTE modem outfitted with a high-gain antenna, the Connect Modem is more powerful than most USB data modems available on the market, to handle the heavy data load of a broadcast over IP.
North TV Cuts from Cable with LiveShot
“LiveShot is surprisingly easy to use… I can give a person here who’s never seen or operated LiveShot a 10-minute explanation of how it works and they’ll be able to operate it without a problem—that’s critical with the volunteers we have.”
K-Wave Broadens Audience with LiveShot for Visual Radio
“With LiveShot and the same exact camera, same lighting, and same set design, no one would know that our host wasn’t in the studio. The quality is amazing, and we’re pretty happy with it.”
LiveShot Allows SHCTV To Go Live With Ease
“LiveShot has opened our channel up to 24/7 streaming. Our signal now goes through our own system; I have control over it… Now, I can truly go live with anything.”
LiveShot Makes BCTV Look Great
“If a product can get us the shots we need, it helps us stay in business and succeed in a competitive market. Comrex LiveShot has taken us to a whole new level of video production and distribution.”
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