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The Case for AoIP Interoperability and the Rise of AES67

By Martin Dyster on Feb 29, 2016 4:58:00 PM

The global television broadcast community is poised at the brink of the next great revolution in technological advancement – audio and video over IP. The great leaps that we’ve witnessed over the last 50 years, from black and white to color, mono to stereo, analogue to digital, 4:3 to 16:9, SD to HD and from stereo to 5.1, have benefitted the viewer at home each step of the way, and has been embraced with the purchase of the latest TV or Home Cinema system. However, in the backrooms of TV stations, broadcast engineers around the world have toiled over system designs, white papers and equipment catalogues while manufacturers have raced to bring out the next best widget designed to do the job.

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Topics: AoIP for Television, Audio over IP, AES67

AES67 Breaks Out at ISE 2016

By Dave Sarkies on Feb 17, 2016 3:15:00 PM

Typically, when you think of a trade show in Amsterdam, you probably think IBC. Certainly the late-summer show is an important convention, but one geared specifically to broadcasters. Integrated Systems Europe (ISE), on the other hand, is aimed at the larger international Audio Video industry, with an emphasis on A/V technologies for live performance settings and business applications – anything from boardroom videoconference systems to the latest speakers for live venues.

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Topics: AES67, aoip, Audio over IP

Shay: Manufacturers Plugged In to AES67

By Dave Sarkies on Jan 20, 2016 5:00:00 AM

The Audio Engineering Society held its second annual Plugfest this past November at NPR studios in Washington, with nearly a dozen manufacturers in attendance, each working toward the goal of audio interoperability. Telos Alliance Chief Science Officer Greg Shay was on hand, and says despite the attendees being competitors, there was a spirit of cooperation that made the event a success.

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Topics: AES67, Audio over IP, aoip

Audio over IP and the Future of Television

By Ken Tankel on Oct 29, 2015 12:00:00 AM

 

Video and audio were handled separately for years before SDI video with embedded audio came into use.  Embedded audio appeared to be a step forward.  The reality is that embedded audio has not reduced lip sync issues and metadata is still easily separated from the audio that it describes.  This is particularly unfortunate because metadata will become more essential with new audio services.  Audio embedding and de-embedding was never perfect and it remains limited.  SDI is, at heart, a video format and it cannot support the future of audio.  Channel based audio is heading for replacement by carriage of the objects that make up the channels.  Multiple languages, emergency audio, and services for the blind are all competing for space in broadcast services.  These expanded audio services provide flexibility and enhanced consumer experiences for broadcast and OTT services and even handheld devices.  AES67, Livewire+ and related standards offer a path to making all of this work – including lip sync!  AES and SMPTE are working together, and the results will enable the sub-sample accurate linking of Audio over IP (which has existed in radio for over a decade and is growing in TV) and video, all without requiring it to be glued together until final delivery.

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Topics: AoIP for Television, Audio over IP, AES67

How AES67, the New Audio over IP Standards, will Bring the Convergence of Telecommunications, Studio Audio, and Intercom

By G.F. Shay and M.J. Dyster on Sep 16, 2015 12:00:00 AM

AES67 is a new industry standard for interoperability of high quality audio over IP networks from the Audio Engineering Society, published just under two years ago (September 2013). This standard was quickly embraced by all of the main broadcast audio equipment vendors, and compatibility modes announced by all of the major competing networking audio vendors: Livewire, Q-LAN, Ravenna and Dante. Outside of broadcast, there has also been a high level of audio industry acceptance.

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Topics: Audio over IP, AES67, aoip

AES67: The State of the Union

By Clark Novak on Aug 14, 2015 3:00:00 PM

If you’ve been paying attention the past few years (and even if you haven’t!), you’ve no doubt heard about AES67, the IP-Audio networking standard adopted by the Audio Engineering Society in 2013. The standard has been a topic of conversation nearly everywhere since it was ratified.

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Topics: AES67, Audio over IP, aoip

Telos Alliance Leads the Way on AES67

By Dave Sarkies on Jan 15, 2015 9:43:00 AM


When the Audio Engineering Society published the AES67 standard for Audio over IP in September 2013, it symbolized the culmination of years of development work by people across the broadcast industry. But for Telos, it symbolized not just an industry standard, but the realization of the vision of our founder, Steve Church. As such, we were proud to have been involved since the project’s inception, and have seen it through to fruition.

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Topics: AES67, aoip, Audio over IP

What’s the Deal with AES67?

By Marty Sacks on May 22, 2014 4:19:00 PM

By now, you’ve likely heard that the Audio Engineering Society (AES) has ratified the AES67 standard, which defines how Audio over IP (AoIP) systems from different manufacturers should interoperate.

The question, now that there’s a published specification, is — where do we go from here?

You might be interested in knowing that the team here at Axia has been involved in helping create this vital interoperation spec since the very beginning. We helped create and sustain the effort to create an interoperability spec, as well as contributing our technology and experience, to make creating the standard easier. Being the first company to develop AoIP technology for broadcast studios allowed us to help in ways that companies that were newer to this tech weren’t able to.

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Topics: AES67, Audio over IP, aoip

Telos Alliance's Greg Shay on the AES67 IP Audio Standard

By Kirk Harnack [TWiRT] on Sep 12, 2013 8:47:00 AM

Our Chief Science Officer, Greg Shay, was able to take few moments recently and join Telos' Kirk Harnack on his weekly "This Week in Radio Tech" podcast. The topic: AES67, a framework to standardize low-latency IP-Audio and provide for interoperability that was recently published by the Audio Engineering Society.

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Topics: AES67, Audio over IP, aoip

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