Audacity Forum

Most laptops don't have a line-in. I'm not quite I understand how are you connecting it to the usb port... You should be using some sort of line-to-usb adapter such as in this picture: http://kozco.com/tech/audacity/pix/UCA202.jpg Right? Which device is that? You can't connect an analog signal direc...

Most laptops don't have a line-in... just a mic-in, which is not suitable for line level signals... Read your laptop's manual see if it has a line-in socket. Otherwise you'll need an external usb converter. Something like this: http://kozco.com/tech/audacity/pix/UCA202.jpg The small device in the pi...

I didn't, but then I'm not sure if I have exported/imported anything in 1.3.13 on the mac that I needed lame/ffmpeg...

Check if you haven't accidentally activated Sound Activated Recording in the Transport menu.

You can probably automate the process with a nyquist script, but steve is the nyquist expert here, so lets wait for him to comment on it.

Audacity 1.3.3 is very old... you should upgrade to the latest 1.3.13.

You can get it from here: http://audacityteam.org/download/

(moved to the 1.3.x forum)

Apply an high pass filter.

Check this similar topic on the same subject: http://forum.audacityteam.org/viewtopic ... 28&t=55277

Which Audacity version and which Windows version?

For better understanding of the desired effect can you describe the steps to produce this "manually" in audacity?

I can't guarantee that upgrading to 1.3.13 will solve this problem, but you should definitely do it... Audacity development branch (1.3.x) has been in freeze mode for a while... that means no new feature are being added... mostly bug correction is being done until the release of the next stable seri...