[studiorecorder] Re: noise reduction

  • From: Sheila Winther <Sheila.Winther@xxxxxxxxxxxxxxxxxxx>
  • To: "studiorecorder@xxxxxxxxxxxxx" <studiorecorder@xxxxxxxxxxxxx>
  • Date: Tue, 13 Dec 2016 14:43:14 +0000

Steve, I see the notch filter, but I really don't understand what it does or 
how to use it.  Any good tutorials out there that you know of?  As you can 
tell, I'm not an engineer.  :)

Sheila Winther
Volunteer Services Coordinator/Recording Studio Manager
Idaho Commission for Libraries
325 West State Street
Boise, Idaho  83702
208-334-2150
www.libraries.idaho.gov<http://www.libraries.idaho.gov>

From: studiorecorder-bounce@xxxxxxxxxxxxx 
[mailto:studiorecorder-bounce@xxxxxxxxxxxxx] On Behalf Of Steven Tate
Sent: Monday, December 12, 2016 2:07 PM
To: studiorecorder@xxxxxxxxxxxxx
Subject: [studiorecorder] Re: noise reduction


Sheila,

You could also try the notch filter in Audacity.



Steve

________________________________
From: 
studiorecorder-bounce@xxxxxxxxxxxxx<mailto:studiorecorder-bounce@xxxxxxxxxxxxx
<studiorecorder-bounce@xxxxxxxxxxxxx<mailto:studiorecorder-bounce@xxxxxxxxxxxxx>>
 on behalf of Sheila Winther 
<Sheila.Winther@xxxxxxxxxxxxxxxxxxx<mailto:Sheila.Winther@xxxxxxxxxxxxxxxxxxx>>
Sent: Monday, December 12, 2016 2:35 PM
To: studiorecorder@xxxxxxxxxxxxx<mailto:studiorecorder@xxxxxxxxxxxxx>
Subject: [studiorecorder] Re: noise reduction


Thanks Neal,

No, these tones were mixed into the analog recording from a little tone 
generator.  And this tone generator did a double tone, so I can just delete the 
first tone between chapters, but the second one is mixed into the first 
sentence of audio.  I think Jayson is on the right track with the high pass 
filter.  I'll let you know.



Sheila Winther

Volunteer Services Coordinator/Recording Studio Manager

Idaho Commission for Libraries

325 West State Street

Boise, Idaho  83702

208-334-2150

www.libraries.idaho.gov<http://www.libraries.idaho.gov>
[http://libraries.idaho.gov/sites/all/themes/idahoTemplate/showcase.jpg]<http://www.libraries.idaho.gov/>

Idaho Commission for Libraries | Building the capacity of 
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Idaho Commission for Libraries Address: 325 W State St., Boise, ID 83702 Phone: 
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From: 
studiorecorder-bounce@xxxxxxxxxxxxx<mailto:studiorecorder-bounce@xxxxxxxxxxxxx
[mailto:studiorecorder-bounce@xxxxxxxxxxxxx] On Behalf Of Neal Ewers
Sent: Monday, December 12, 2016 12:18 PM
To: studiorecorder@xxxxxxxxxxxxx<mailto:studiorecorder@xxxxxxxxxxxxx>
Subject: [studiorecorder] Re: noise reduction



Hi Sheila. In Sound Forge, I can pick a particular frequency to minus. I wonder 
if you can do that in audacity? If you're talking about the tones that Studio 
Recorder puts in, I can try to see if I have any luck removing them. If you're 
talking about other tones, perhaps you could send me an example.



Thanks.



Neal





From: 
studiorecorder-bounce@xxxxxxxxxxxxx<mailto:studiorecorder-bounce@xxxxxxxxxxxxx
[mailto:studiorecorder-bounce@xxxxxxxxxxxxx] On Behalf Of Sheila Winther
Sent: Monday, December 12, 2016 12:33 PM
To: studiorecorder@xxxxxxxxxxxxx<mailto:studiorecorder@xxxxxxxxxxxxx>
Subject: [studiorecorder] noise reduction



We are converting our analog talking books to digital.  The analog recordings 
have tone indexing mixed into the audio.  Has anyone found a good way to remove 
the low frequency tone without destroying the voice audio?  I use Audacity 
noise reduction for background tape hiss, but if I change the values of the 
noise reduction enough to effect the tone, it really makes the rest of the 
audio sound over processed.  Any help will be much appreciated.



Sheila Winther

Volunteer Services Coordinator/Recording Studio Manager

Idaho Commission for Libraries

325 West State Street

Boise, Idaho  83702

208-334-2150

www.libraries.idaho.gov<http://www.libraries.idaho.gov>


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