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In 2012, Comrex adapted BRIC technology to transport video as well as audio. The resulting product, named LiveShot, could send video and audio bidirectionally over IP networks (including Wi-Fi and 3G/4G), with less than 500 milliseconds of delay. Weighing only 3 pounds, LiveShot was designed for news
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In 2006, Cheney's technical successor Tom
Hartnett, in partnership with company co-director Kristine Bobo Specht, developed BRIC (Broadcast Reliable Internet Codec) technology. A full-featured suite of tools, BRIC incorporated sophisticated jitter buffers and proprietary algorithms to provide better
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Throughout the 1960s and 1970s, Comrex developed audio products for the television market. In 1968, founder John Cheney developed Models 7035 and 7040 receivers for wireless microphone systems. In 1973, the 450 RA/TA wireless microphone system, designed for TV news, is the first to enable reporters
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Comrex was founded in 1961 by John Cheney, a broadcast engineer. His mission, as outlined in Comrex's inaugural press release, is "to apply advanced state of the art knowledge and techniques to the production of high quality, practical equipment which can be operated by non-technical personnel.”
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In the years that followed, LiveShot was updated with CrossLock technology, a method of network bonding in which a VPN is established between the transmitting and receiving units. CrossLock greatly improved LiveShot's broadcasting reliability, especially over unstable IP networks. LiveShot's
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to move more than 1000 feet from the camera. In 1975, The Comrex wireless cue system, composed of the CTA cue transmitter and the CRA (now LPQRA) receiver, enables field reporters and producers to hear production audio and instructions, without a wired connection to a news van.
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BRIC technology was also used to develop the BRIC-Link. An IP codec, BRIC-Link was intended for use as an STL or in other point-to-point applications. Since its introduction in 2009, it has been used widely in both radio and television by many organizations, including the NBA.
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in 2006. ACCESS was distinguished from its competitors by the hand-held design of the portable unit. Due to this form factor, and to the variety of networks on which it could function, ACCESS did not require the stationary set-up of the codecs that preceded it.
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2000 – The Matrix is developed. An ISDN codec, the Matrix also includes optional modules which enable it to function on a variety of circuits, including future networks which will be implemented years later.
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1978 – The
Frequency Extender, including the PLX and TLX transmitters, and RLX receivers, and 2F transmitter-receiver, allow broadcasters to send audio with bass over one plain old telephone (
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1996 – The Nexus is introduced. An ISDN codec with a terminal adapter housed in a case smaller than a shoebox, combined with easy menus, make this unit popular with non-technical users.
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1991 – Comrex introduces its first digital codec, the DXP and DXR. Each is used with a terminal adapter to send and receive bidirectional 7.5 kHz audio with virtually no delay.
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1983 – The two-line
Frequency Extender (PTLX and RTLX) is introduced. These units transmit 5 kHz over two lines and utilize a five-band compounding system for noise reduction.
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1997 – The
Hotline POTS codec is developed. Capable of sending bidirectional 10 kHz audio on one phone line, it becomes a standard for POTS broadcasting.
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price-point, along with its versatility, have made it popular with small stations, educational organizations, and government facilities.
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416:) line by frequency-shifting program audio 250 Hz. Frequency Extenders become popular with remote broadcasters and news reporters.
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1985 – The STLX Sports
Console incorporates additional features into the two-line Frequency Extender, specifically for sportscasters.
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1990 – The 3XP and 3XR are introduced – these carry 8 kHz audio, split into three parts and shifted onto three lines.
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1998 – The Vector is backward compatible with the Comrex
Hotline, and has a frequency response of 15 kHz.
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2012 – The STAC VIP is developed – building off of the features of STAC, STAC VIP works on IP phone systems.
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In 2023, Comrex introduced BRIC-Link III at the NAB 2022 show. BRIC-Link III has CrossLock VPN technology.
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1987 – The PLXMicro repackages the
Frequency Extender into a portable case, compatible with cellphones.
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From the late 1970s onward, Comrex began building products for remote radio broadcasters:
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In 2015, the BRIC-Link II, an updated version of the BRIC-Link, was introduced.
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quality audio over inherently unstable networks, like the public internet.
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is an
American corporation that designs and manufactures equipment for
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1988 – Comrex introduces the TH-X, a hybrid that includes an extender.
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1989 – The 2XP and 2XR two-line
Frequency Extenders are introduced.
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may be in need of reorganization to comply with
Knowledge's
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crews and ENG reporters who needed lightweight equipment.
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2004 – The STAC talk show management system is introduced.
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2016 – Comrex develops the VH2, a two-line VoIP hybrid.
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2002 – Comrex acquires Gentner's digital hybrid line.
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143:. Unsourced material may be challenged and removed.
495:With BRIC in place, Comrex released the ACCESS
446:From 1991 to 2000, Comrex released a series of
540:"Radio World: Comrex Access Works With 4G LTE"
241:to make improvements to the overall structure.
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55:Learn how and when to remove these messages
356:Tom Hartnett, Kris Bobo Specht (directors)
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685:Electronics companies established in 1961
570:"Comrex Access: Why Every Show Needs One"
275:Learn how and when to remove this message
257:Learn how and when to remove this message
203:Learn how and when to remove this message
645:"Radio World: Comrex Delivers LiveShot"
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690:1961 establishments in Massachusetts
680:Telecommunications equipment vendors
141:adding citations to reliable sources
620:"Comrex now shipping BRIC-Link III"
618:Staff, RedTech (January 12, 2023).
597:"Comrex BRIC-Links Are a Slam Dunk"
595:Sprysenski, Mike (March 1, 2016).
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36:This article has multiple issues.
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487:ACCESS and BRIC-Link Technology
128:needs additional citations for
44:or discuss these issues on the
16:American technology corporation
81:format but may read better as
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314:; 63 years ago
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296:Private (employee-owned)
385:television broadcasting
90:converting this article
340:Devens, Massachusetts
137:improve this article
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239:editing the article
655:on August 14, 2016
649:www.radioworld.com
550:on August 14, 2016
544:www.radioworld.com
288:Comrex Corporation
92:, if appropriate.
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574:TALKERS.COM
442:ISDN Codecs
330:John Cheney
247:August 2016
193:August 2016
102:August 2016
674:Categories
527:References
391:Beginnings
352:Key people
163:newspapers
41:improve it
659:August 1,
603:August 1,
580:August 1,
554:August 1,
47:talk page
514:LiveShot
450:codecs.
301:Industry
152:"Comrex"
624:RedTech
465:Hybrids
361:Website
327:Founder
317: (
309:Founded
177:scholar
377:Comrex
366:comrex
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497:codec
381:radio
184:JSTOR
170:books
83:prose
661:2016
631:2023
605:2016
582:2016
556:2016
448:ISDN
414:POTS
383:and
368:.com
319:1961
312:1961
156:news
79:list
139:by
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