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TWiRT 8 - Studio Buffet

Kirk Harnack - Executive Director, Int'l Business Development, Telos-Omnia-Axia
Chris Tobin - CBS Radio, New York
Chris Tarr - Entercom, Milwaukee, GeekJedi, and Broadcast Engineering Info
Colleen Kelly - TWiT Network IT Director

This week it's a Thanksgiving Studio Buffet.

We'll discuss the connection layout of a radio station from sources to transmission.  How does it connect together?  What's the sequence?  What mics are popular?  What audio console features are important?  And some words about audio processing, too.

TWiRT is supported by:
The Broadcasters Desktop Resource
Violet Microphones

Download link...

TWiRT 8 - Studio Buffet


TWiRT 7 - More Power Captain

Kirk Harnack - Executive Director, Int'l Business Development, Telos-Omnia-Axia
Tom Ray - VP, Engineering, Buckley BroadcastingWOR, New York
Chris Tobin - CBS Radio, New York

Guest is Hal Kneller, Market Development Manager, Nautel Ltd.


Topical Topics:

FutureSource Consulting says Internet Radio will drive more home networking and Internet Radio products.




Hal will talk with us about HD Radio, HD power increase, and digital plans in other countries.

Download link...

TWiRT 7 - More Power Captain


TWiRT 6 - Corny DSP

Cornelius Gould discusses Audio Processing

Kirk Harnack - Executive Director, Int'l Business Development, Telos-Omnia-Axia
Tom Ray - VP, Engineering, Buckley Broadcasting, WOR, New York
Chris Tobin - CBS Radio, New York
Cornelius Gould - Audio Design Engineer, Omnia Audio - Podcaster

 ** An unfortunate accident occurred during the first few minutes of recording.  We join the conversation in progress.  *** 

Audio Processing Introduction

Audio Processing Essays

How MP3 Works

Omnia-6EX Presets

Omnia ONE Presets

Download link...

TWiRT Episode 6 - Corny DSP


TWiRT - Episode 5 - Future Radio

Kirk Harnack - Telos, Omnia, Axia
Tom Ray - Buckley Broadcasting & WOR, New York
Chris Tobin - CBS Radio, New York
Chris Tarr - Chief Engineer, Entercom, Milwaukee

Special guest from Melbourne, Australia: Peter Smerdon, Contract Engineer,  formerly Chief Engineer for 3MP and SEN 

- CBS Radio Distributes WFAN, KROQ, WBZ, KSCF to More Markets Using HD2, HD3 Channels

- Remembering Don Markley and Louis King

Listener questions...

Brian Urban asks..

What is the future of radio? 

If HD Radio isn't the answer, what is?


From Peter Smerdon of Australia

Hi Kirk,
One of my areas of concern is transcoding errors in digital radio (some people call it cascading - or duelling - algorithms).
What do you now do for outside broadcasts (remotes) in this brave new world of digital radio, now that we all have been driven to codec solutions for remote site connections?
Are artifacts proving noticeable?
Cruelly, human voice (which is the majority of content coming down the "line" from the remote) seems to expose more coding artifacts than other content.
Is aptx better, being ADPCM vs the other Perceptual Coders (MPEG LII and LIII and AAC etc)?



TWiRT - Episode 5 - Future Radio


TWiRT - Episode 4 - STL

Kirk Harnack, Tom Ray, Chris Tobin, Chris Tarr and special (surprise) guest, Rich Parker of Vermont Public Radio.

- How are the TWiRT co-hosts interconnect to produce and record the show?  We explain.  A little mic talk, too.

- Clearwire adds WiMax service in more cities

- TV Channel 6's going away, and how that impacts Non-Commercial Educational FM stations

- How do radio stations transport high-quality audio from studio to transmitter?  Many methods are available.  And where does the audio processing go?  Rich Parker of Vermont Public Radio joins us for that discussion.

Trivia question: Who invented Spread Spectrum technology?

And we note that Argentinians serve meat with their meat.



TWiRT - Episode 4 - STL