| 词条 | Ravenna (networking) |
| 释义 |
| name = Ravenna | manufacturer = ALC NetworX (a Lawo company) | date = {{start date and age|2010}} | switchable = Yes | routable = Yes | 1gig = yes | latency = | maxchannels = | samplingrate = 768 kHz (or DSD512){{cn|date=July 2016}} | bitdepth = 32-bit{{cn|date=July 2016}} }} Ravenna is a technology for real-time transport of audio and other media data over IP networks. Ravenna was introduced on Sep. 10, 2010 at the International Broadcasting Convention in Amsterdam.[1][2] Ravenna can operate on most existing network infrastructures using standard networking technology. Performance and capacity scale with network performance. Ravenna is designed to match broadcasters' requirements for low latency, full signal transparency and high reliability. Fields of application include in-house signal distribution for broadcasting houses and other fixed installations, flexible setups at venues and live events, outside broadcasting support, and inter-studio links across wide area network links and production facilities. Standard protocolsRavenna is an IP-based solution. As such it is based on protocol levels at or above layer 3 of the OSI reference model. All protocols and mechanisms used within Ravenna are based on widely deployed and established standards:
Open technologyRavenna is an open-technology standard without a proprietary licensing policy. A first-draft version of the Ravenna specification[3] is publicly available. The development is jointly executed within the RAVENNA Partner Group under the leadership of ALC NetworX GmbH, Munich. Current Ravenna partners include: {{div col|colwidth=20em}}
Standardization activitiesRavenna contributes to the standardization efforts within AES SC-02-12-H X192 - High-performance streaming audio-over-IP interoperability.[5][6] As a result of the X192 Task Group work, the AES67-2013 standard for audio applications of networks - high-performance streaming audio-over-IP interoperability was published on September, 11th, 2013.[7] Ravenna is already compatible with AES67, since all relevant mechanisms, protocols and formats used for synchronization, transport and payload mandated by AES67 are fully supported. See also
References1. ^{{cite news|title=RAVENNA revealed|url=http://www.tvbeurope.com/show/event-news-content/full/ravenna-revealed|accessdate=13 September 2010|newspaper=ibc e-daily}} 2. ^{{cite news|title=ALC and Lawo launch IP distribution system|url=http://www.prosoundnewseurope.com/website-content/full/alc-and-lawo-launch-IP-distribution-system?goback=.gmp_2056907.gde_2056907_member_29840066|accessdate=14 September 2010|newspaper=Pro Sound News Europe}} 3. ^{{cite web|title=RAVENNA Operating Principles - Draft 1.0|url=http://ravenna.alcnetworx.com/infos-downloads/white-papers.html|publisher=ALC NetworX|accessdate=10 June 2011}} 4. ^{{cite web|title=RAVENNA Partner Companies|url=https://www.ravenna-network.com/partners/}} 5. ^{{cite news |url=http://www.radioworld.com/article/ravenna-submitted-for-standardization/23890 |title=Ravenna Submitted for Standardization |publisher=Radio World |date=2011-07-12 |accessdate=2011-07-12}} 6. ^{{cite news |url=http://www.radioworld.com/article/why-axia-and-ravenna-hooked-up/214824 |title=Why Axia and Ravenna Hooked Up |date=2012-08-08 |author=Paul McLane |publisher=Radio World |accessdate=2012-09-12}} 7. ^{{cite news |url=http://www.aes.org/standards/blog/2013/9/aes67-2013-audio-over-ip-130911|title=AES67-2013, Networks, audio-over-IP interoperability |publisher= AES Standards News Blog|date=2013-09-11}} External links
2 : Digital audio|Audio network protocols |
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