TWiRT 27 - FSK and Loose Ends

What are FSK, BPSK, and QPSK?  Plus mic processing and an AES white paper.

Kirk Harnack - Executive Director, Int'l Business Development, Telos-Omnia-Axia
Tom Ray - VP, Engineering, Buckley Broadcasting, WOR, New York, W2TRR
Chris Tobin - CBS Radio, New York

Some web sites mentioned in this episode:

Frequency Shift Keying (FSK)

Phase Shift Keying, including BPSK and QPSK

EBU Evaluations of Multi-Channel Audio Codecs (pdf)

Audio Noise Reduction Techniques - Meenakshi Singhvi (pp 42-46)

Watch the Video at ODTV.me

Download the show here...

TWiRT 27 - FSK and Loose Ends

TWiRT 26 - Frequency Modulation

We discuss FM - how it's generated, amplified and transmitted, with an explanation of the FM stereo process.

Kirk Harnack - Executive Director, Int'l Business Development, Telos-Omnia-Axia
Tom Ray - VP, Engineering, Buckley Broadcasting, WOR, New York, W2TRR
Chris Tobin - CBS Radio, New York
Chris Tarr - Entercom, Milwaukee, GeekJedi, and Broadcast Engineering Info

Some web sites mentioned in this episode:

http://en.wikipedia.org/wiki/Armstrong_Tower
http://www.wdrcobg.com/meriden.html
http://www.fybush.com/sites/2005/site-050610.html
http://en.wikipedia.org/wiki/FM_broadcasting

Watch the Video at ODTV.me

Download the show here...

TWiRT 26 - Frequency Modulation

TWiRT 25 - A Lot of Pizzi

Skip Pizzi discusses where radio broadcasters need to be headed, and we discuss Arbitron's PPM.

Kirk Harnack - Executive Director, Int'l Business Development, Telos-Omnia-Axia
Tom Ray - VP, Engineering, Buckley Broadcasting, WOR, New York, W2TRR
Chris Tobin - CBS Radio, New York

This week's guest is Skip Pizzi.  Skip is a consultant to corporate, legal, government and broadcast industry clients on the subjects of new media and digital transition.  He is also now the Technology Editor at Radio Ink magazine, and kicking off a new section, Tech Ink.

Watch the Video at ODTV.me

Download link here...

TWiRT 25 - A Lot of Pizzi

TWiRT 24 - Amplitude Modulation

Foundation Series - The TWiRT engineers discuss and explain AM - generating, amplifying, transmitting

Kirk Harnack - Executive Director, Int'l Business Development, Telos-Omnia-Axia
Tom Ray - VP, Engineering, Buckley Broadcasting, WOR, New York, W2TRR
Chris Tobin - CBS Radio, New York
Chris Tarr - Entercom, Milwaukee, GeekJedi, and Broadcast Engineering Info 

Some resources that exemplify our discussion points:

Definition of Amplitude Modulation

AM demonstrated on an oscilloscope - not the way I would have shown it, but it's instructive.

Interactive AM demo - Adjust the on-screen controls to get an idea of AM parameters.

Watch the video at ODTV.me

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TWiRT 24 - Amplitude Modulation

TWiRT 23 - Vive l'Audio!

Vive l'Audio!

Kirk Harnack - Executive Director, Int'l Business Development, Telos-Omnia-Axia
Tom Ray - VP, Engineering, Buckley Broadcasting, WOR, New York, W2TRR
Chris Tobin - CBS Radio, New York
Chris Tarr - Entercom, Milwaukee, GeekJedi, and Broadcast Engineering Info 

French audio processing Guru, David PERREAU along with GOOM.com engineer, Fred BLONDET.

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TWiRT 23 - Vive l'Audio!