Real Time Multiport IP Switch
optimized for video traffic with strong multidirectional, FEC based,
IP noise reduction system designed to "clean up" dropped
or corrupted pixels, lines, or frames caused by switching circuits
found in "Noisy" Fiber and Radio based IP connections.
Always sold in matched pairs.
Streaming SD or
HD video requires that a constant flow of data be maintained from
the source to the receiving device. The characteristics of both
digital video and IP networks, however, result in significant challenges
to maintaining the quality of that flow,
The IP Scrubber utilizes the patented Forward Error Correcting
erasure coding technology to dynamically protect video, audio and
large data streams from common transport impairments, including
packet loss, latency, jitter and lost packets typical of wired,
fiber and wireless IP networks.
The IP Scrubber can improve links with up to 40% packet loss while
using an incrementally small bandwidth overhead (5-10%) when compared
to existing convolution and Reed-Solomon FEC technologies. Our FEC
technology all but eliminates QoS buffering delays and dropouts
by recovering lost packets without requiring retransmission. Any
packetized stream can be protected, independent of the type of media
encoding or compression, data rate, or use of encryption.
The unit can be immediately and transparently integrated into legacy
or new applications to protect, enhance and rehabilitate marginal
The IP Scrubber is ideal for IPTV and Internet TV applications.
In video streaming entertainments or security applications, the
IP Scrubber allows the bundling of multiple streams onto a single
protected multicast link. Our control panel allows the user to easily
surf each stream and select one or more streams for viewing or storage.
The IP Scrubber is based on a real-time Linux operating system.
Every IP Scrubber comes with a full one year warranty and two year
application firmware upgrade policy.
This FEC technology is in use today by federal, state and commercial
users to assure accurate and on-time delivery of streaming video.
The video compression techniques (MPEG-2, MPEG-4/H.264, or WMV9/VC-1)
used for streaming video are highly sensitive to the loss of any
packets in transmission. If not recovered, missing packets —
or even a single missing packet — of a video stream can result
in frozen frames, frame skips, macroblock errors, or other distortions
to the image.
Missing packets can be re-transmitted, but the time required for
any such retransmission of the data will be perceived as an interruption
of the data flow unless the data has been adequately buffered at
Even with buffering, high instantaneous levels of packet loss may
cause the buffer to be emptied while waiting for successful re-transmissions,
thus producing a perceptible interruption or glitch in the playback
of the stream.
If the stream is destined to many receivers, the retransmission
of lost packets for each individual receiver is impractical.
Shared networks — the most obvious example being the public
Internet — may experience packet loss as a result of network
Packets may be lost as a result of degradations in network quality
due to buffer overflows caused by jitter, configuration errors or
link failures related to equipment faults, power failures, or denial
of service attacks.