Soundbooth Clean Up Audio question at DVinfo.net

Brian Barkley · June 28th, 2009, 07:43 AM

I am editing a project in which many interviews have been shot in office buildings and hotels with high humm, usually A-C, in the background. I have been unable to filter out the A-C without affecting the voice.

Any recommendations on audio EQ settings? Maybe my settings in Clean Up are incorrect.

(CS-3)

Adam Gold · June 28th, 2009, 10:42 AM

You probably have already done this, but I think that if you have a section where there is nothing but the AC noise, you could capture/identify a bit of that to tell Soundbooth exactly what to remove, hopefully without affecting anything else.

Pete Cofrancesco · June 29th, 2009, 02:09 PM

I've never had great success removing noise. Generally what happens is when you reduce the gain for the frequency range the noise is in, it effects the voice, either by losing the base or cutting the highs. Take it all out, then it sounds unnatural, take a little and you still hear the noise, only slightly less.

Just get a lav mic for next time.

Christopher Drews · June 29th, 2009, 02:46 PM

Different side of things but Apple's SoundTrack Pro has an amazing room tone remover. Works by analyzing the tone, then employs phase cancellation.

Might want to look into that if you are stuck.
-C

Gary Brun · June 30th, 2009, 05:51 AM

I have a great program that I use often.. (Im PC based) to remove noises etc.
Try the trail version. iZotope RX.

June 28th, 2009, 07:43 AM	#1
Brian Barkley Major Player Join Date: Jan 2009 Location: Overland Park, KS Posts: 233	Soundbooth Clean Up Audio question I am editing a project in which many interviews have been shot in office buildings and hotels with high humm, usually A-C, in the background. I have been unable to filter out the A-C without affecting the voice. Any recommendations on audio EQ settings? Maybe my settings in Clean Up are incorrect. (CS-3) Last edited by Brian Barkley; June 28th, 2009 at 07:44 AM. Reason: additional info

June 30th, 2009, 05:51 AM	#5
Gary Brun Major Player Join Date: Jun 2007 Location: Kråkstad Norway. Posts: 229	I have a great program that I use often.. (Im PC based) to remove noises etc. Try the trail version. iZotope RX. __________________ http://www.mlotv.com

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June 28th, 2009, 10:42 AM	#2
Adam Gold Inner Circle Join Date: Jan 2007 Location: Woodinville, WA USA Posts: 3,467	You probably have already done this, but I think that if you have a section where there is nothing but the AC noise, you could capture/identify a bit of that to tell Soundbooth exactly what to remove, hopefully without affecting anything else.

June 29th, 2009, 02:09 PM	#3
Pete Cofrancesco Inner Circle Join Date: May 2004 Location: USA Posts: 2,995	I've never had great success removing noise. Generally what happens is when you reduce the gain for the frequency range the noise is in, it effects the voice, either by losing the base or cutting the highs. Take it all out, then it sounds unnatural, take a little and you still hear the noise, only slightly less. Just get a lav mic for next time.

June 29th, 2009, 02:46 PM	#4
Christopher Drews Major Player Join Date: Jul 2007 Location: Los Angeles, CA Posts: 628	Different side of things but Apple's SoundTrack Pro has an amazing room tone remover. Works by analyzing the tone, then employs phase cancellation. Might want to look into that if you are stuck. -C