Lu, I sincerely hope you don't get any offers...this from the receiving end...:-)
I must add that some of the worse audio we hear in VK is poorly adjusted W1HY audio processed signals...aaagh!...some are so bad a lot of us simply QSY and pretend we didn't hear the call....:-) 73's Gary On 23 April 2011 04:38, Lu Romero <lrom...@ij.net> wrote: > This is a subject close to my heart... > > I have a lot of tools at my disposal to "mangle" audio both > here at work and also at home. Soundtrack Pro is one of my > favorite weapons of mass destruction, and I have lots of > plug ins to modify stuff with. > > Also, I have a lot of hardware > compressor/limiter/preamp/leveler/phase rotator/exciters too > to create audio mayhem with. > > Having said all that, I will tell you what I do for > recording audio... I simply record my mic (almost > exclusively the Yamaha CM500'ds electret capsule) completely > flat through my MicroHam MicroKeyer 2's sound card into the > N1MM computer DVK via the MicroHam record facility. Then, I > apply all compression, equalization and gating within the K3 > using its built in processing tools. > > That's it. Nothing else. Nada. Bupkis. > > Some of you have heard me on the air. I believe my "canned" > sound is identical (discounting voice box fatigue) to my > recorded sound. I cannot tell them apart off air. > > It has taken me a little while to get used to the tools > available in K3 to have what I consider competitive contest > audio punch. The "digitalness" of the radio is very > different from my venerable TS850S that, with lots of > outboard junk, provided me with 11 years worth of crackly > punch that sliced and diced through piles like the Ginsu > knife it was. You just have to keep in mind the "Spinal > Tap" rule and not get carried away. A little goes a long > way. Mic technique and placement is important. > Equalization is important. Room acoustics is important. > Voice technique is important. > > One thing I would love to have in the K3 audio chain is a > fast attack medium decay "AGC/Leveler" of some sort, pre-RF > compression/clipper, post gate. This would make the rig > perfect from the audio perspective and with careful, > judicious use, would help those with "thin" voices or poor > mic placement, however, you could get into serious trouble > if too much AGC was applied in a noisy environment, so maybe > we should leave well enough alone... > > Never forget that we are transmitting into an extremely > noisy medium where transmitted audio dynamic range and > wideband frequency response is your enemy. If this was > broadcast FM or TV, our priorities would be very different. > But its not, its "communications" audio. The point is to be > clearly understood and get the message through, not to sound > like Orson Wells or Ernie Anastos. > > I dont know about time processing either. KT0NY mentions he > time compressed his clips from 3 seconds to 2.6 seconds. 4 > tenths of a second total shortening. Does that really buy > you a lot? Yes, I can do the math, but does it REALLY buy > you *THAT* much to risk inteligibility? > > Im in K9YC and W3FPR's corner on this discussion. And if > anybody wants to make me a good offer on 6 rack units of > Behringer, Symetrix, Aphex and London processing gear that > the K3's processor/gate has obsoleted, let me know. > > -Lu-W4LT- > K3 # 3192 > > --------------------------- > > Message: 26 > Date: Fri, 22 Apr 2011 10:39:04 -0400 > From: Don Wilhelm <w3...@embarqmail.com> > Subject: Re: [Elecraft] optimizing recorded audio > To: Tony Estep <estept...@gmail.com> > Cc: elecraft@mailman.qth.net > Message-ID: <4db19308.7010...@embarqmail.com> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > When doing audio processing, always keep a copy of the > original file > until you are done. > Each step in the process does create some loss of quality. > That means, > the more you mess with it, there is potential for the result > to end up > bad. Keep notes on what is being done - how much leveling, > how much > tempo change, etc. Then after your experimentation is > complete, start > again with the original file and apply the full changes - > the result > will be better than the result obtained by incremental > changes during > your experimentation. > > I would also recommend using only the K3 to apply > compression. You > already have compression applied to the mic input, and that > same > compression will be added to the computer audio stream. In > general, > compressing an already compressed file will produce bad > results. > > I have done only a moderate amount of audio editing work, so > I consider > the words of those experts (like Jim Brown) who have done a > lot of it as > sage guidance for me. > > 73, > Don W3FPR > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > -- VK4FD - Motorhome Mobile Elecraft Equipment K3 #679, KPA-500 #018 Living the dream!!! ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
