Problems with noise removal

[Hello Waffles]

I can't seem to get noise removal to work.  I think I used to use it in 1.2, but now it constantly asks for me to select the audio noise profile and will never let me continue on to the second set.  Is there perhaps something in my preferences that would be causing this problem.  Help!

Thanks

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[audacity-help mailing list]

    | From Hello Waffles
    | Wed, 5 Sep 2007 13:56:40 -0700
    | Subject: [Audacity-help] Problems with noise removal
    | I can't seem to get noise removal to work.  I think I used to use it in
    | 1.2, but now it constantly asks for me to select the audio noise profile
    | and will never let me continue on to the second set.  Is there perhaps
    | something in my preferences that would be causing this problem.

There is no Preference setting that pertains to this, you should be able to
select some audio, get your Noise Profile then return to Noise Removal
and process the effect. We do have one report of this issue on Audacity
1.3.3 Beta and a Power PC (G3). Can you please confirm what operating
system you are on e.g. Windows XP,  OS X 10.4, and if you are on OS X,
whether you have an Intel Mac or Power PC. Also please tell us what version
of Audacity you are using (see Help > About Audacity or Audacity > About
Audacity in the program). If you are not already using the Beta 1.3.3 version,
please try that:
http://audacity.sourceforge.net/download/

If you are using 1.3.3, please try 1.3.2:
http://sourceforge.net/project/showfiles.php?group_id=6235&package_id=50145&release_id=459518

and let us know if that helps.


Gale Andrews



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[Richard Ash (audacity-help)]

Audacity Help wrote:
>
>     | From Hello Waffles
>     | Wed, 5 Sep 2007 13:56:40 -0700
>     | Subject: [Audacity-help] Problems with noise removal
>     | I can't seem to get noise removal to work.  I think I used to use it
> in
>     | 1.2, but now it constantly asks for me to select the audio noise
> profile
>     | and will never let me continue on to the second set.

If users have failed to install audacity and are running it from the .dmg
that is distributed for OS X, I think they will hit this problem, because
audacity tries to write out a file with the noise removal profile in it,
and will fail if the location for that file is read-only.

Richard


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[audacity-help mailing list]

    | From Hello Waffles
    | Wed, 5 Sep 2007 13:56:40 -0700
    | Subject: [Audacity-help] Problems with noise removal
    | I can't seem to get noise removal to work.  I think I used to use it in
    | 1.2, but now it constantly asks for me to select the audio noise profile
    | and will never let me continue on to the second set.  Is there perhaps
    | something in my preferences that would be causing this problem.

Further to our last response, if you are on OS X and are only running
Audacity from the downloaded .dmg instead of having installed it, it is
possible the location to which Audacity tries to write the noisegate.nrp
Noise Removal Profile file will be read-only and so the Noise Profile will
not be created.

If you are on OS X and have not installed it, please install it thus:

* Inside your Applications folder, create a folder called "Audacity".
* Double-click the downloaded .dmg to mount it
* Option-drag the whole of the .dmg contents (not the .dmg itself)
   into the "Audacity" folder you created
* Double-click Audacity.app inside the Applications folder to launch it


Please let us know if this helps.


Gale Andrews





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[Hello Waffles]

The OS I'm running is Windows XP with Service Pack 2.  Noise removal seems to be the only effect I'm having a problem with.  I copied and put in the text about the version from the help menu as I thought it also put in some other things that might be helpful.  Thanks so much for your quick response!

Audacity ® 1.3.2-beta (Unicode)
A Free Digital Audio Editor
Audacity is a free program written by a team of volunteer developers around the world. Coordination happens thanks to SourceForge.net, an online service that provides free tools to open-source software projects. Audacity is available for Windows 98 and newer, Mac OS X, Linux, and other Unix-like operating systems. Older versions of Audacity are available for Mac OS 9.
This is a beta version of the program. It may contain bugs and unfinished features. We depend on your feedback, so please visit our website and give us your bug reports and feature requests.
http://audacity.sourceforge.net/
Information
MP3 importing enabled
Ogg Vorbis importing enabled
ID3 tag exporting enabled
FLAC plug-in support enabled
LADSPA plug-in support enabled
Libresample support enabled
PortAudio v19
wxWidgets 2.6.3
Program build date: Oct 27 2006
Settings folder: C:\Documents and Settings\Owner\Application Data\Audacity

On 9/5/07, Audacity Help <[hidden email]> wrote:

    | From Hello Waffles
    | Wed, 5 Sep 2007 13:56:40 -0700
    | Subject: [Audacity-help] Problems with noise removal
    | I can't seem to get noise removal to work.  I think I used to use it in
    | 1.2, but now it constantly asks for me to select the audio noise profile
    | and will never let me continue on to the second set.  Is there perhaps
    | something in my preferences that would be causing this problem.

There is no Preference setting that pertains to this, you should be able to
select some audio, get your Noise Profile then return to Noise Removal
and process the effect. We do have one report of this issue on Audacity
1.3.3 Beta and a Power PC (G3). Can you please confirm what operating
system you are on e.g. Windows XP,  OS X 10.4, and if you are on OS X,
whether you have an Intel Mac or Power PC. Also please tell us what version
of Audacity you are using (see Help > About Audacity or Audacity > About
Audacity in the program). If you are not already using the Beta 1.3.3 version,
please try that:
http://audacity.sourceforge.net/download/

If you are using 1.3.3, please try 1.3.2:
http://sourceforge.net/project/showfiles.php?group_id=6235&package_id=50145&release_id=459518

and let us know if that helps.


Gale Andrews



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[audacity-help mailing list]

    | From Hello Waffles
    | Fri, 7 Sep 2007 11:37:29 -0700
    | Subject: [Audacity-help] Problems with noise removal
    | The OS I'm running is Windows XP with Service Pack 2.  Noise
    | removal seems to be the only effect I'm having a problem with.
    | I copied and put in the text about the version from the help menu
    | as I thought it also put in some other things that might be helpful.  
    | Audacity (R) 1.3.2-beta (Unicode)
    | MP3 importing enabled
    | Ogg Vorbis importing enabled
    | ID3 tag exporting enabled
    | FLAC plug-in support enabled
    | LADSPA plug-in support enabled
    | Libresample support enabled
    | PortAudio v19
    | wxWidgets 2.6.3
    | Program build date: Oct 27 2006
    | Settings folder: C:\Documents and Settings\Owner\Application Data\Audacity
   
Thanks for your extra information. Are you using CleanSpeech Mode as set
on the Batch tab of Preferences? There are problems when using Noise
Removal with this option turned on, because when this option is enabled,
Audacity tries to write a noisegate.nrp file containing the Noise Profile and it
would appear it cannot do so in your case, perhaps because the directory is
not writeable. Also from what I can see on my Windows system, it would
appear that the .nrp file is not being written to the location I think it should
be written to (the "Presets" folder in the folder where audacity.cfg is stored).

At any event it would be best if you upgraded to 1.3.3:
http://audacity.sourceforge.net/download/beta_windows

If you are using CleanSpeech and you can do without it, please uncheck
this option in in the 1.3.3 Preferences and restart Audacity. The Noise Profile
should then be written to memory and the Noise Removal should work. If
you need to use CleanSpeech, can you help us by trying to capture a Noise
Profile in 1.3.3 and let us know if you can then run step 2 in the effect. If
you can, would you be able to go to Windows Start Button > Search and
search for noisegate.nrp and let us know where it is on your drive? On my
system it is written into the Audacity installation folder, is not deleted on
exit, and its presence there causes Audacity to crash on launch if it is
running in CleanSpeech Mode (the presence of the .nrp file is not a
problem in 1.3.2). Therefore in 1.3.3 you may have to delete the .nrp file
manually if you want to use CleanSpeech mode.

Thanks for your patience.

             
Gale Andrews
 




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