Jay Yeary is a broadcast engineer specializing in audio. He is an AES Fellow and member of both SBE and SMPTE.
IP transmission will begin making inroads into North American broadcast facilities starting this spring, even if they have no plans to implement an IP-based infrastructure, thanks to the finalization of ATSC 3.0 specifications and the introduction of compatible consumer products at this year’s CES.
When it comes to audio-over-IP (AoIP), one area that seems to cause a substantial amount of confusion is whether a technology works at Layer Two or Layer Three.
At the 2016 Audio Engineering Society Convention in Los Angeles, I ran into a friend who was manning the booth of a broadcast audio console manufacturer.
The entire process of sound for film has always fascinated me partly because the working environment seems so extravagant compared to someone who has spent the majority of their professional life working in the trenches of broadcast audio for television.
Anyone who has been an audio engineer for a substantial period of time does so because they love what they do, not because they can’t move on to something else.
In my August column, “The Audio World Without ISDN,” we looked at the impending demise of ISDN and the options available for those who can no longer get service.
I was working on a string of projects back in the mid-1990s that required us to fly in talent to handle Spanish and Portuguese translation.
One of my missions at this year’s NAB Show was to take a deeper assessment of the state of interoperability of audio-over-IP devices in preparation for an upcoming project.
It should be apparent by now that future broadcast and media infrastructure will be IP-based.
Where we once simply sent a mix to the primary air chain, they can now end up in places we never dreamed, after going through file manipulation processes over which we have little information or control.
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