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Author Topic: Feedback in Vocal PA  (Read 8856 times)

Kevin McDonough

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Re: Feedback in Vocal PA
« Reply #20 on: August 22, 2014, 08:59:13 AM »

Thanks Lee, the thing about it is the main problem is some low end that sounds like its about to take off, so hopefully atleast with the HPF on it will eliminate this problem

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hey

yeah was just gonna be my suggestion, was surprised it took until the second page for someone to suggest it.

There is nothing useful the human voice can produce below around 300Hz. Anything that the mic picks up below this will just be background noise, bangs, foot sounds, and as you can see spill from the kickdrum and bass guitar.  Now you probably wont want to high pass all the way up to there or the voices will start too thin, but you'll definitely want to engage it in some way to cut out all of that unwanted noise (as you would with many other instruments that don't have specific bass frequencies in them).

If its just a switch in our out, definitely turn it on. If you have a knob and can change the frequency, then use your ears. Start at maybe 120Hz and gradually turn it up until you get to the point where you still have a nice clear vocal sound, but it doesn't sound too thin or trebbly.


k

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g'bye, Dick Rees

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Re: Feedback in Vocal PA
« Reply #21 on: August 22, 2014, 03:59:30 PM »



There is nothing useful the human voice can produce below around 300Hz.



Bull crap.

Middle C is 261 and just about everyone can sing that.  The A above middle C (A4) is 440.

I can (and do) sing two octaves below that on a regular basis.  That's 110. 
« Last Edit: August 22, 2014, 04:10:59 PM by dick rees »
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James A. Griffin

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Re: Feedback in Vocal PA
« Reply #22 on: August 22, 2014, 04:20:12 PM »

There is nothing useful the human voice can produce below around 300Hz.

Huh?
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Art Welter

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Re: Feedback in Vocal PA
« Reply #23 on: August 22, 2014, 05:09:05 PM »

There is nothing useful the human voice can produce below around 300Hz. Anything that the mic picks up below this will just be background noise, bangs, foot sounds, and as you can see spill from the kickdrum and bass guitar.
Or low notes sung by performers.
J. D. Sumner hit a G0 (24.5 Hz), one full tone below the lowest key on the piano the end of a 26-second slide at an Elvis concert in 1977.
He, and countless performers I have worked with regularly sing fundamentals octaves below 300 Hz.

The 100 Hz low cut on the Mix Wiz is a good compromise for most vocalists, 300 Hz is Tiny Tim Territory -Mickey Mouse.

Dick- I just found my voice dropped at least a half step, I can now hit the low E on a regular guitar, around 80 Hz, but tone wise don't think any bass singers need worry about me taking their gig..

Art
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Jay Barracato

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Re: Feedback in Vocal PA
« Reply #24 on: August 22, 2014, 05:11:04 PM »

I can hit the d below middle c consistently (147). Its the only note I can hit consistently but if anyone needs a drone in d I am your guy.

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Re: Feedback in Vocal PA
« Reply #25 on: August 22, 2014, 05:16:49 PM »

If I want to be rock=solid down to a low D (below your E) all I have to do is wet my head down and run around the block in the MN weather the day before...

I consistently hit the G, though, and use it as a relative reference in figuring out ringing frequencies.  I reference the tone of the ring to the G, then step up until I'm in the octave sequence of the ringing tone.  Count up the octaves, multiply the frequency and BAM!!!...organic feedback extermination.

No perfect pitch needed.
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Art Welter

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Re: Feedback in Vocal PA
« Reply #26 on: August 22, 2014, 05:20:35 PM »

No perfect pitch needed.
Relatively speaking  ;).
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Re: Feedback in Vocal PA
« Reply #27 on: August 22, 2014, 05:21:59 PM »

Relatively speaking  ;).

Thanks, Uncle Art!
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Steve M Smith

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Re: Feedback in Vocal PA
« Reply #28 on: August 22, 2014, 05:40:24 PM »

I can (and do) sing two octaves below that on a regular basis.  That's 110.

That's nothing.  I can sing so low, it's DC.


Steve.
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Art Welter

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Re: Feedback in Vocal PA
« Reply #29 on: August 22, 2014, 06:15:07 PM »

That's nothing.  I can sing so low, it's DC.
Steve,

Around here, DC output is politely called passing wind, not singing  8).
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Re: Feedback in Vocal PA
« Reply #29 on: August 22, 2014, 06:15:07 PM »


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