TrueCircuit Technology

Metadata

Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE J
Volume: 110, No. 2, pp. 98–102
Abstract: An increasing number of broadcasters, production, and post-production houses are planning to use standard internet protocol (IP) networks to distribute video, audio, control, and metadata in realtime. Standard ethernet networks suffer from such problems as nondeterministic bandwidth, latency, and excessive jitter for reliable realtime transport of video and audio. Ethernet (IEEE 802.3) and packet switching have long been the underlying technology for computer networks, but are now barely used for voice and video communications. This is due to the unreliable and unpredictable nature of the so-called “best effort” service provided by IP networks, which results in a high degree of uncertainty in how quickly a packet will be delivered to its destination. New realtime internet protocols are being developed to guarantee a requested quality of service over an internet connection. However, even where implemented, they do not guarantee end-to-end delay or latency, only bandwidth. Without latency guarantees, IP networks will not truly be able to distribute realtime video and audio content.
Publication Date: 2001-02-01
DOI: 10.5594/J16491
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J16491
Author(s): Carsten Baumann
bio
Carsten Baumann is director of product management at Leitch Inc., Burbank, CA, where he has been responsible for defining and developing TrueCircuit technology in Leitch's product portfolio since May 2000. He moved to the U.S. early in 1999 and became director of sales for the western U.S. Baumann joined Leitch's U.K. division in 1995 and was head of sales management and market development management. After graduating from the Technical Engineering School in Giessen, Germany, in 1986, he began his career in broadcast engineering at JVC Professional in Germany, where he received his fundamental training and became a system and maintenance engineer on broadcast studio equipment.
Yendo Hu
bio
Yendo Hu is vice-president of video products at Path 1 Network Technologies, which prides itself as the premier source of QoS technology for corporate networks and the internet. Prior to Path 1, Hu was director of systems engineering at Tiernan Communications Inc. where he developed MPEG-2 video and multiplexing compression technology, which lead to the first commercially available MPEG-2 4:2:2 level solution. Hu was instrumental in establishing Tiernan as a major HDTV corporate distribution compression provider for the television networks. Prior to that, he worked at Bell Labs. Yu received bachelor's and master's degrees in electrical engineering from Cornell University, and a Ph.D. in electrical engineering from the University of California, San Diego.
Copyright: © 2001 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

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2. 802.3, 1998 Edition Information Technology, “Telecommunications and Information Exchange Between Systems,” Part 3: Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications. EXTERNAL
3. Shenker S. Partridge C. Guerin R. , “Specification of Guaranteed Quality of Service,” IETF, RFC , 2212 : Sept. 1997 . EXTERNAL
4. Braden R. , “Resource Reservation Protocol (Version 1 Functional Specification),” IETF, RFC , 2205 : Sept. 1997 . EXTERNAL
5. Awduche D. , “Requirements for Traffic Engineering over MPLS,” IETF, RFC , 2702 : Sept. 1999 . EXTERNAL
6. Blake S. , “An Architecture for Differentiated Services,” IETF, RFC , 2475 : Dec. 1998 . EXTERNAL
7. Smith A. Partain D. Seligson J. , “Definitions of Managed Objects for Common Open Policy Service (COPS) Protocol Clients,” Draft-IETF-RAP-COPS-Client-MIB-03.txt: May 2000 . EXTERNAL
8. Kunzman A. J. Wezel A. T. , “1394 High Performance Serial Bus: The Digital Interface for ATV,” original publication in the IEEE Transactions on Consumer Electronics , 14 : 893 – 900 , Aug. 1995 . EXTERNAL
9. “Fibre Channel Technology Overview: A white paper by the Fibre Channel Industry Association; “Fibre Channel Fundamentals: A white paper by Tom Weimer of Spectra Logic Corp.;” “Fibre Channel Overview by Zoltan Meggyesi;” Wright M. , “Fibre Channel Finally Fills the Gap in I/O Subsystems,” EDN Magazine. . EXTERNAL

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Carsten Baumann and Yendo Hu; TrueCircuit Technology, SMPTE Journal ( Volume: 110, Issue: 2, February 2001); SMPTE, 2001
doi: 10.5594/J16491
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Carsten Baumann and Yendo Hu; <cite id="bib-10-5594-j16491">TrueCircuit Technology</cite>, SMPTE Journal ( Volume: 110, Issue: 2, February 2001); SMPTE, 2001
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