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-   -   simulating FM radio DJ (https://www.dvinfo.net/forum/all-things-audio/494713-simulating-fm-radio-dj.html)

Brian Luce April 18th, 2011 02:26 AM

simulating FM radio DJ
How do you do it? Would you even use a filter? Is it something you merely suggest with the camera? FM is so clear -- and yet not quite life like, or is it?, is there something you should process it with in Vegas?

Greg Miller April 18th, 2011 03:17 PM

Re: simulating FM radio DJ
FM stereo stations in the US are sharply bandpassed at 50Hz and 15kHz, because of the 19kHz pilot tone and the PLL servo loops on the carrier frequency..

Aside from that, they're all over the place. Pop format stations might use an RE20, a lot of mic EQ and compression; classical stations might use a condensor mic, little or no processing. And everywhere in between.

Because of the 75uSec pre-emphasis curve, most FM stations tend to have some very specialized processing, to avoid overmodulation when the audio has a lot of high frequency content. However, this might be working very lightly or very heavily, depending on how the EQ and overall levels are set.

And now some stations are using digital STLs with bitrates that I consider inadequate (perhaps as low as 96kbps) so you have the additional distortions from the codecs.

Basically you need some educated guesswork depending on which station you want to mimic.

Jim Andrada April 18th, 2011 05:13 PM

Re: simulating FM radio DJ
Phase-locked loop - Wikipedia, the free encyclopedia

Just in case some were wondering...

Bill Davis April 18th, 2011 10:49 PM

Re: simulating FM radio DJ
Also never forget that the people who typically end up on the radio - have fully developed RADIO VOICES.

That starts with being singled out from the mass of humanity for some natural vocal abilities and then the industry rapidly filters out those who can't manage stuff like the enunciation and diction required.

Then out of THAT group, the industry skims the best of the crop who have BOTH the sound and the chops.

That's part of what you're trying to re-create.

Seriously, the easiest way to get a "radio announcer" sound - is simply to to hire someone who has a "radio announcer" voice to begin with.

If they do, a recording with an SM-57 will sound worlds better than a Neumann recording someone with an ordinary voice.

Just saying.

Gary Nattrass April 19th, 2011 04:01 AM

Re: simulating FM radio DJ
To get an authentic FM radio sound limit the frequency bandwidth to suit the type of radio in shot, compress it to oblivion and then add some small room ambience to simulate the speaker in the room.

That is how I used to do it now I have pro tools and TL Space so I have a small/med/large radio pre-set that does it straight away.

Rick Reineke April 19th, 2011 03:21 PM

Re: simulating FM radio DJ
All main stream stations use specific processors like the Eventide Opimod to get their 'signature' sound. (usually to be louder and get more usable distance than the competition) These processors have a number of stages: EQ, single and multi-band compressors, multi-band exciters, peak limiter volume maximizes and even sophisticated auto levelers. Of coarse as was already stated, without a good voice, it ain't gonna help much.

Andrew Smith April 19th, 2011 04:17 PM

Re: simulating FM radio DJ

Do you have a script for what you want the FM announcer to say?


Brian Luce April 19th, 2011 04:55 PM

Re: simulating FM radio DJ
Wow guys, my head is spinning. Okay, so there IS a sound specific to FM. So, I have the script, the actor with the voice, I also have an Oktava 012 from Soundroom, Senn k6/me66 and Rode NT3 and Sony Vegas and limited edition of Soundforge. What I want is THE most cliche FM rock station processing.

Can I make it work?

Andrew Smith April 20th, 2011 05:28 PM

Re: simulating FM radio DJ
An extra set of testicles on the talent helps. Over here the really good VO guys are referred to as "four balls" out of respect.


Brian Luce April 21st, 2011 09:51 AM

Re: simulating FM radio DJ

Originally Posted by Andrew Smith (Post 1641287)
An extra set of testicles on the talent helps. Over here the really good VO guys are referred to as "four balls" out of respect.


Okay, just ordered a set from B&H. Can any of the processing be done in Vegas 10?

Andrew Smith April 21st, 2011 11:36 PM

Re: simulating FM radio DJ
For Vegas you'll need to use them as a plug-in.


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