getting rid of truck noise, etc...

jnorman · 29th January 2010

i have to record in a church tomorrow that i have recorded in before. it is, like most older churches, in town and suffers from the regular passage of heavy trucks and other noisy interruptions.

i have had success using noise reduction plugins to get rid of l background noise - IF i can record a sample of the noise all by itself. so, before i begin the session, i will record 10-15 seconds of just background noise - this will take care of HVAC and other more constant sources.

but, the occasional passage of a heavy truck or loud car with no muffler, etc, i may not get in my short back ground recording.

what is the best way/what is your preferred method of getting rid of heavy truck noise or other intermittent noises which can degrade the overall recording? surgical EQ? other? thanks.

willi1203 · 30th January 2010

izotope RX

mixedupsteve · 30th January 2010

Quote:

Originally Posted by willi1203

izotope RX

I agree. I just got it and I'm no expert but you can sample a section of the recorded track and it will use that for noise removal.
If your recording isn't a live performance then you might be able to eliminate alot of noise with gobos etc.

GYMusic · 30th January 2010

Izotope RX

Matti · 30th January 2010

RX and RenoVator, both with spectral editing for the louder passages and coughs, cell phones etc.

Matti

JonesH · 31st January 2010

Exactly. Or more general, spectral editing of some sort can be a tremendously powerful tool. Just be careful to not over-do it, it can introduce nasty artifacts sometimes.

jozzafunk · 1st February 2010

Rx is brilliant, do it in stages ie Apply small amounts of reduction to slightly different noise profiles several times. A close truck is hard to get rid of but if it sounds fairly natural, treated gently with RX, it will blend into the background much better than if it has noise reduction artifacts all over it. If it really jumps out, consider adding some more truck noise in around it to ease it in.

I watched a film the other day 'Seraphine'. It's a French film, and a great watch but some of the sound post was bizarre. Outdoor scenes, no dialogue or even useful PFX seemed to use production sound so heavily noise treated there was loud, and distracting 'space monkeys' going on - the most common artifact from overdoing the reduction. My wife was saying "what the hell is that noise ?" - I don't know what they were monitoring on, perhaps it was intentional, but it wasn't working for me. I thought the general balance of the mix was a bit off so probably a low sound post budget.

jnorman · 1st February 2010

well,, as it turned out, i was able to get rid of almost all the truck and vehicle noises, and the tracks turned out pretty well, with one tiny exception - a cell phone. right in the middle of a 9 minute piece, i got that "bzz, bzz,,,bzz, bz, bz" sound from someone's cell doing its connect to the tower thing - no ringing or anything, just the buzz thing.

it is pretty low in the mix, but still annoying, and i dont know quite how to get rid of it. any ideas?

mixedupsteve · 1st February 2010

Quote:

Originally Posted by jnorman

well,, as it turned out, i was able to get rid of almost all the truck and vehicle noises, and the tracks turned out pretty well, with one tiny exception - a cell phone. right in the middle of a 9 minute piece, i got that "bzz, bzz,,,bzz, bz, bz" sound from someone's cell doing its connect to the tower thing - no ringing or anything, just the buzz thing.

it is pretty low in the mix, but still annoying, and i dont know quite how to get rid of it. any ideas?

How did you clean up the rest? Izotope works on those sounds too but you might be able to use a freebie or much cheaper plug in. Can you post a clip?

jnorman · 1st February 2010

steve - i used ReaFir plug in Reaper. worked really well. sure, i can post a clip - did you want to hear just the buzz thing, or a representative sample of the recording?

mixedupsteve · 1st February 2010

Quote:

Originally Posted by jnorman

steve - i used ReaFir plug in Reaper. worked really well. sure, i can post a clip - did you want to hear just the buzz thing, or a representative sample of the recording?

Just the buzz bz bz part with maybe 5 sec before.

jnorman · 2nd February 2010

steve - here is a short clip. the buzz is about in the middle or so.

Matti · 2nd February 2010

If you mean the pedal or something like:

Matti

Sorry, cellphone buzz which I cannot hear, maybe it gets buried in the mp3 thing or I´m older than want to think

Alexey Lukin · 2nd February 2010

It's the cell phone buzz between 10 and 14 seconds in the left channel.
After 5 mins of Spectral Repair in RX it's killed (Attenuate mode used, Strength set to 1.5, FFT size set to 256 and 128).

Matti · 2nd February 2010

Its 4.50 am here, maybe that´s why I cannot hear this one, wav please

Matti

zoff · 2nd February 2010

Quote:

Originally Posted by MATTI

Its 4.50 am here, maybe that´s why I cannot hear this one, wav please

Matti

Can't hear it either.

Matti · 2nd February 2010

In the original... Maybe a hint of it in the corrected one?

Matti

mixedupsteve · 3rd February 2010

I didn't hear it either.

Tommy-boy · 3rd February 2010

Wavelab also has spectral editing which is quite good.

29th January 2010	#1
jnorman Lives for gear Joined: Sep 2004 Posts: 1,807 Thread Starter 2 Reviews written	getting rid of truck noise, etc... i have to record in a church tomorrow that i have recorded in before. it is, like most older churches, in town and suffers from the regular passage of heavy trucks and other noisy interruptions. i have had success using noise reduction plugins to get rid of l background noise - IF i can record a sample of the noise all by itself. so, before i begin the session, i will record 10-15 seconds of just background noise - this will take care of HVAC and other more constant sources. but, the occasional passage of a heavy truck or loud car with no muffler, etc, i may not get in my short back ground recording. what is the best way/what is your preferred method of getting rid of heavy truck noise or other intermittent noises which can degrade the overall recording? surgical EQ? other? thanks. __________________ jnorman sunridge studios salem, oregon

31st January 2010	#6
JonesH Lives for gear Joined: Nov 2007 Location: Sweden Posts: 1,050 4 Reviews written	Exactly. Or more general, spectral editing of some sort can be a tremendously powerful tool. Just be careful to not over-do it, it can introduce nasty artifacts sometimes. __________________ Johannes Sweden www.oproduktion.se

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30th January 2010	#2
willi1203 Gear maniac Joined: Apr 2007 Location: Switzerland Posts: 267	izotope RX

30th January 2010	#4
GYMusic Lives for gear Joined: Sep 2002 Location: Santa Ynez, Taxafornia Posts: 840	Izotope RX

30th January 2010	#5
Matti Lives for gear Joined: Dec 2004 Location: Finland Posts: 3,756	RX and RenoVator, both with spectral editing for the louder passages and coughs, cell phones etc. Matti

1st February 2010	#7
jozzafunk Gear maniac Joined: Jan 2009 Location: Wellington NZ Posts: 164	Rx is brilliant, do it in stages ie Apply small amounts of reduction to slightly different noise profiles several times. A close truck is hard to get rid of but if it sounds fairly natural, treated gently with RX, it will blend into the background much better than if it has noise reduction artifacts all over it. If it really jumps out, consider adding some more truck noise in around it to ease it in. I watched a film the other day 'Seraphine'. It's a French film, and a great watch but some of the sound post was bizarre. Outdoor scenes, no dialogue or even useful PFX seemed to use production sound so heavily noise treated there was loud, and distracting 'space monkeys' going on - the most common artifact from overdoing the reduction. My wife was saying "what the hell is that noise ?" - I don't know what they were monitoring on, perhaps it was intentional, but it wasn't working for me. I thought the general balance of the mix was a bit off so probably a low sound post budget.

2nd February 2010	#15
Matti Lives for gear Joined: Dec 2004 Location: Finland Posts: 3,756	Its 4.50 am here, maybe that´s why I cannot hear this one, wav please Matti

3rd February 2010	#18
mixedupsteve Lives for gear Joined: Dec 2008 Location: Chestertown MD USA Posts: 969	I didn't hear it either.

3rd February 2010	#19
Tommy-boy Gear addict Joined: Aug 2006 Location: Suburbs of Philly, PA Posts: 432	Wavelab also has spectral editing which is quite good.