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Author Topic: How to suppress audience peaks in audacity ?  (Read 3213 times)

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Offline MakersMarc

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How to suppress audience peaks in audacity ?
« on: January 27, 2019, 03:44:15 PM »
So a typical seated 😈 show at the Fox. Music before amplifying has peaks around -6, but the audience peaks at 0. How do I compress those peaks before amplifying the music I’m Audacity.

Thanks!
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Offline noahbickart

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Re: How to suppress audience peaks in audacity ?
« Reply #1 on: January 27, 2019, 04:20:12 PM »
So a typical seated 😈 show at the Fox. Music before amplifying has peaks around -6, but the audience peaks at 0. How do I compress those peaks before amplifying the music I’m Audacity.

Thanks!

Use a “brick wall” limiter with a threshold of -6db fast attack. Slow release. No makeup gain. Then normalize.
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Offline capnhook

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Re: How to suppress audience peaks in audacity ?
« Reply #2 on: January 27, 2019, 05:27:37 PM »
Envelope tool first.
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Offline MakersMarc

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Re: How to suppress audience peaks in audacity ?
« Reply #3 on: January 27, 2019, 05:28:16 PM »
Sweet, thanks Rabbi!
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Re: How to suppress audience peaks in audacity ?
« Reply #4 on: January 27, 2019, 05:28:46 PM »
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Offline capnhook

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Re: How to suppress audience peaks in audacity ?
« Reply #5 on: January 27, 2019, 05:40:29 PM »
Envelope tool first.

?

Yeah, bring the loud area down a bit with the envelope tool, save, re-load, and then hard limit if at all necessary.  Sounds more natural that way.
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"Don't ever take an all or nothing attitude when it comes to making a difference
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"It'll never be over, 'till we learn."
 
"My dream is to get a bus and get the band and just go coast to coast. Just about everything else except music, is anti-musical.  That's it.  Music's the thing." - Jeb Puryear

Offline heathen

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Re: How to suppress audience peaks in audacity ?
« Reply #6 on: January 27, 2019, 09:41:31 PM »
http://taperssection.com/index.php?topic=117279.0

Specifically see the links under "Compression / Limiter / Volume Envelope."
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Re: How to suppress audience peaks in audacity ?
« Reply #7 on: January 27, 2019, 11:11:28 PM »
That’s a great resource thanks!
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Offline Scooter123

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Re: How to suppress audience peaks in audacity ?
« Reply #8 on: January 28, 2019, 12:18:01 AM »
I don't use Audacity, but I use a limiter and sometimes combine it with a volume reducer for the area. 
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Offline morst

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Re: How to suppress audience peaks in audacity ?
« Reply #9 on: January 28, 2019, 09:23:24 AM »
Envelope tool first.

?

Yeah, bring the loud area down a bit with the envelope tool, save, re-load, and then hard limit if at all necessary.  Sounds more natural that way.


I have done this with excellent results on acoustic house concerts. Use envelope tool to reduce ALL applause sections manually. Hopefully there are not many more than one per song ending. If you do this, you might even get to use some make up gain at the limiting stage.
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Re: How to suppress audience peaks in audacity ?
« Reply #10 on: February 19, 2019, 05:41:10 PM »
Ditto the envelope tool in Audacity. I use it aggressively, perhaps over-zealously on applause. Especially on 007 recordings where I've got a loud clapper on one side or the other (or both) at a seated venue.

Can sound a little weird/un-natural at times but who gives a shit what crowd noise sounds like? After applying envelopes, I can often get 9 to 10 or maybe even 12 dBFS gain on the actual music. And not blowing a gasket in my ears/playback system is worth it to me...

YMMV, of course.

https://archive.org/details/bfft2017-08-08.mk4v.flac16 <-example of mine squashing the crowd between tunes using the envelope tool...

Offline opsopcopolis

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Re: How to suppress audience peaks in audacity ?
« Reply #11 on: February 20, 2019, 11:46:55 AM »
So a typical seated 😈 show at the Fox. Music before amplifying has peaks around -6, but the audience peaks at 0. How do I compress those peaks before amplifying the music I’m Audacity.

Thanks!

Use a “brick wall” limiter with a threshold of -6db fast attack. Slow release. No makeup gain. Then normalize.

This, or you can use makeup gain instead of normalizing
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Offline morst

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Re: How to suppress audience peaks in audacity ?
« Reply #12 on: February 20, 2019, 02:42:22 PM »
So a typical seated 😈 show at the Fox. Music before amplifying has peaks around -6, but the audience peaks at 0. How do I compress those peaks before amplifying the music I’m Audacity.

Thanks!

Use a “brick wall” limiter with a threshold of -6db fast attack. Slow release. No makeup gain. Then normalize.

This, or you can use makeup gain instead of normalizing


Yeah, make up gain is BEFORE the limiter so it gives you a chance to use a little bit more than if you just normalized it afterwards. I don't ever normalize, I limit.
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Offline opsopcopolis

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Re: How to suppress audience peaks in audacity ?
« Reply #13 on: February 20, 2019, 06:21:56 PM »
So a typical seated 😈 show at the Fox. Music before amplifying has peaks around -6, but the audience peaks at 0. How do I compress those peaks before amplifying the music I’m Audacity.

Thanks!

Use a “brick wall” limiter with a threshold of -6db fast attack. Slow release. No makeup gain. Then normalize.

This, or you can use makeup gain instead of normalizing


Yeah, make up gain is BEFORE the limiter so it gives you a chance to use a little bit more than if you just normalized it afterwards. I don't ever normalize, I limit.

Yup. Actually calling it makeup gain in the context of a limiter is kinda misleading. It’s just gain. Make up gain refers to post compression gain, where as limiter gain is pushing the track pre limiter, allowing it t hit the out ceiling at the desired rate
« Last Edit: February 20, 2019, 06:59:17 PM by opsopcopolis »
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Offline morst

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Re: How to suppress audience peaks in audacity ?
« Reply #14 on: April 03, 2019, 04:10:34 AM »
Yup. Actually calling it makeup gain in the context of a limiter is kinda misleading. It’s just gain. Make up gain refers to post compression gain, where as limiter gain is pushing the track pre limiter, allowing it t hit the out ceiling at the desired rate
Whoops, you are correct! Make up gain is last!
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