De-noising organ surround recording

JonesH · 24th January 2010

Hi,
I've recorded a Meassiaen piece in a nice cathedral with a nice organ with 5.0 in mind, and it sounds nice. However, I'm a little annoyed with the noise levels and would like to apply some denoising.

I have seven mics recorded (decca front, hamasaki square for ambience) and edited with Sequoia where I also made some spectral edits to remove disturbances. I have access to a nice M6000 reverb that I add for increased envelopment and timbre.

For de-noising I have access to WaveArts master restoration suite, iZotope RX pro and Sequoia. How would you go about to de-noise with surround in mind? Would you de-noise the individual mics or the dry mix before reverb, or...

All the best

Alexey Lukin · 24th January 2010

I'd denoise the dry recording of individual mics and then mix and add reverb (if needed).
My (biased) choice is RX Denoiser, algorithm C.

audio ergo sum · 24th January 2010

What kind of noise?
Static?
Low freq rumble?
Hiss/white noise ?
dynamic noises (coughes etc.)?

Each would be dealt with differently. Static noise is very hard to come by without affecting the music. Often it is best to leave the noise, even though the technical soul in us is ashamed...musical requirements rule over technical requirements.

JonesH · 24th January 2010

thanks for your replies, and sorry for being unclear. What I don't like is the static hiss; I've gotten rid of most dynamic noises such as clicks. I'll experiment a little with RX noise-reduction where needed...

**DrDeltaM** · 24th January 2010

I'd process them all at once in surround if possible, as that's how it's gonna be listened to anyway

You still can have different settings for the different channels if needed.

And denoise before you add reverb.

evm1024 · 24th January 2010

From my view some noise is not noise. For example if you end up with birds in the church they may chirp and fly which it part of the character of that performance and church.

other organ noises will include the wind supply. Bellows move and creak, some air sounds are much more pronounced on specific stops and other things like the swell shutters opening and closing. Some of these (air sound, chiff and air supply noise etc) are intrinsic to that instrument and need remain.

Just a thought.

Regards, Ethan

24th January 2010	#1
JonesH Lives for gear Joined: Nov 2007 Location: Sweden Posts: 1,050 Thread Starter 4 Reviews written	De-noising organ surround recording Hi, I've recorded a Meassiaen piece in a nice cathedral with a nice organ with 5.0 in mind, and it sounds nice. However, I'm a little annoyed with the noise levels and would like to apply some denoising. I have seven mics recorded (decca front, hamasaki square for ambience) and edited with Sequoia where I also made some spectral edits to remove disturbances. I have access to a nice M6000 reverb that I add for increased envelopment and timbre. For de-noising I have access to WaveArts master restoration suite, iZotope RX pro and Sequoia. How would you go about to de-noise with surround in mind? Would you de-noise the individual mics or the dry mix before reverb, or... All the best __________________ Johannes Sweden www.oproduktion.se

24th January 2010	#3
audio ergo sum Lives for gear Joined: Oct 2008 Location: Earth Posts: 3,587	What kind of noise? Static? Low freq rumble? Hiss/white noise ? dynamic noises (coughes etc.)? Each would be dealt with differently. Static noise is very hard to come by without affecting the music. Often it is best to leave the noise, even though the technical soul in us is ashamed...musical requirements rule over technical requirements. __________________ "The only true wisdom is in knowing you know nothing." - Socrates

24th January 2010	#5
DrDeltaM Moderator Joined: Sep 2003 Location: Belgium Posts: 4,347	I'd process them all at once in surround if possible, as that's how it's gonna be listened to anyway You still can have different settings for the different channels if needed. And denoise before you add reverb. __________________ Mathijs Indesteege aka Mathew Lane mixing - mastering - audio restoration - plugins http://www.mathewlane.com DrMS. Focus on your stereo field. - NEW v3.2 OUT NOW! DrMS spatial processor - native RTAS/AU/VST plugin » Digital Audio Product Support Joystick Audio - Benelux High End Distributor http://www.joystick.be

24th January 2010	#6
evm1024 Gear interested Joined: Dec 2007 Posts: 25	Some noise is not noise From my view some noise is not noise. For example if you end up with birds in the church they may chirp and fly which it part of the character of that performance and church. other organ noises will include the wind supply. Bellows move and creak, some air sounds are much more pronounced on specific stops and other things like the swell shutters opening and closing. Some of these (air sound, chiff and air supply noise etc) are intrinsic to that instrument and need remain. Just a thought. Regards, Ethan

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24th January 2010	#2
Alexey Lukin Lives for gear Joined: Dec 2007 Posts: 641	I'd denoise the dry recording of individual mics and then mix and add reverb (if needed). My (biased) choice is RX Denoiser, algorithm C.

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