Audacity Forum

As Gale wrote:
"select the input device you are actually recording into (not stereo mix or what U hear)."
See here: Device Toolbar

Check that your audio track(s) are not muted.

If you are getting feedback, then there is a signal loop somewhere - sound is going in, coming out, going back in again, and round and round. One place that the sound is coming out is through your speakers. If plugging headphones in stops the feedback, then the next task is to work out where the sou...

Try setting "Transport > Software Playthrough" to "enabled" (selected), and set the "recording input" and "playback output" devices in the Device Toolbar to your sound card , which will probably be marked as something like xxxxxx (hw:0,0) . Ensure that no othe...

Are you using headphones?

Try setting the recording device to mono in the Windows Sound Control Panel as well as in the Audacity Device Toolbar.

jelabarre59 wrote:I'm on 2.0.1 (Linux), and this seems to be broken again.

I'm on 2.0.3 (Debian Linux). Seems OK here. What problem are you seeing?

Try this version.

If you are using the current version of Audacity, automatic recovery will usually be successful the next time you launch Audacity. Which version of Audacity are you using? (look in "Help > About Audacity")

Ubuntu 10.04 comes to the end of its life-cycle in a few months. The problem may resolve itself when you upgrade.
If you like to stick with LTS versions and prefer to avoid new releases, 12.04 LTS has been out for nearly a year and may be your best choice.