Audacity Forum

Many karaoke tracks are available on YouTube and can be downloaded with an appropriate plug-in for Firefox web browser. Many more karaoke tracks are commercially available at low prices (try Amazon for example).

Is there a rule of thumb for the maximum headroom to allow when sample rate conversion is the final stage? To be sure of no clipping (worst case scenario) I think that you would need to allow 6 dB of headroom. In practice it will almost always be much less. For most musical material 1 dB will proba...

Unfortunately it is not possible to make a high quality recording out of a low quality recording. Those recordings are quite low quality - there's not a lot that you can do about that. You may find that you get slightly preferable results if you use a little " Noise Removal " instead of th...

OK, You have got "Monitor of Built-in Audio Analog Stereo", so I think that you should be able to use that to record sounds that are playing on your computer. Open Audacity and with "host" set to "ALSA" in the Device Toolbar , look in the "Record Input" settin...

The maximum amplitude of an audio signal is 0 dB.
Audio signals are measured "below" 0 dB and are therefore negative values.
What exactly are you trying to do (and why)?

Did you set the Audacity High Quality Conversion settings to Dither = None? (see my previous post for how).

Interesting. When PulseAudio is properly installed it should be the default "sound card", but on your system it clearly isn't. This is my .asoundrc file, try it on your machine - if it works, great, if it doesn't you can easily delete it again: pcm.pulse { type pulse } ctl.pulse { type pul...

Is your webcam physically disconnected, or does your computer have a built in webcam or something?
See where it says: What is that?

Open a Terminal window and enter: Then press the F4 key.
If possible, please post a screenshot (otherwise, please describe what is shown).

Could you post the "Audio Device Info" that appears with the webcam disconnected.