Tag: "IP Codecs"

Just What the Heck Is a Codec?

| September 11, 2013

By Thomas R. Ray, III CPBE, AMD, DRB
Tom Ray Consulting
President
TALKERS
Technical Editor

NEW YORK — Got a call recently from someone inquiring about IP codecs and looking for an explanation as to exactly what they are.  I was puzzled at first because to me, it’s an easy-to-understand topic.  But not everyone is as tech savvy as I am.

So first, let’s look at our old friend ISDN – you know, the thing that’s eventually going away (in New York at present, you cannot order an ISDN line from Verizon – they are no longer installing them).

We use the term ISDN to describe…an ISDN codec.  These are devices that have two main parts – the audio coding section and the transport section.

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IP in Our Broadcast World:
Don’t Fear the Internet

| April 19, 2013

By Thomas R. Ray, III CPBE, AMD, DRB
Tom Ray Consulting
President
TALKERS
Technical Editor

NEW YORK — We have been discussing, on and off over the past couple of weeks, IP and IP codecs in our “broadcast” environments. This was a discussion that quickly escalated when Verizon quietly started telling customers in the northeast that ISDN was soon to be history.

At the recent NAB Show in Las Vegas, nearly everything I saw was IP based in some form or another. So the truth of the matter is, IP is here to stay and it’s up to us to make it work.

First and foremost, there was a comment by someone who stated, and I’m paraphrasing here, “Would you trust your high dollar sports remote to an IP connection over the public internet?” Apparently, CBS television has answered that question.

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2013 NAB: IP Codecs, Transmitters,
the Future of AM and other Cool Stuff

| April 11, 2013

By Thomas R. Ray, III CPBE, AMD, DRB
Tom Ray Consulting
President
TALKERS
Technical Editor

NEW YORK — Greetings from 29,000 feet over Colorado.  I’m returning from the NAB Show in Vegas and there were some very interesting items to see this year.  I am going to wait until next week so I can put together a good article regarding IP codecs, so please stay tuned for that.  I moderated a session in the Broadcast Engineering Conference on Sunday, April 7, called “IP for Radio”.  A lot of good information came out of that session – I need to go back and review my notes.

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More About IP Codecs

| March 4, 2013

By Thomas R. Ray, III CPBE, AMD, DRB
Tom Ray Consulting
President
TALKERS
Technical Editor

NEW YORK — Last week’s article on IP codecs generated numerous emails.  (In case you missed it, read that piece here.) The general gist of the emails is that these devices are not understood very well.  Granted, they are still a fairly new technology, but they are a mystery.  So, I’ll touch on several of the emails I received in hopes of clearing up some of the mystery.

The first note was from a station that is presently using an IP codec as an STL (Studio to Transmitter Link).   When they moved their facility several years ago, they found they would not be able to make a microwave shot to the transmitter site, and the local phone company fouled up the program line installation they requested (big surprise).  The station opted for the IP Codec route.

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