Audacity Forum

Do you mean that in the recording the left and right channels are out of sync with each other?

The problem is that there is only one set of "Preferences" for Audacity, so all projects that are open will share the same "Snap To" setting. The same is true of other settings (such as the location of LAME, the Temp folder location, Keyboard and Mouse preferences and so on. The ...

Look at the bottom of the "Transport" menu.
"Software Playthrough" should be OFF (not selected).

It's the nature of the "Change Pitch" effect.
Karaoke players often change both the pitch and the speed - you can do this with the "Change Speed" effect - the sound quality will be much better.

If you use the "Change Speed" effect on the track that is 124 bpm and increase the speed by 0.8% then it should be quite close. Move the tracks left/right so that they both start at exactly time=0.0 Select the 124 bpm track and increase the speed by 0.8%. Check near the end of the tracks: ...

Upgrade to Audacity 1.3.12, then see here: http://manual.audacityteam.org/man/Latency_Test

Which version of Audacity?
What operating system?
What sort of microphone?
Do you have "Snap To" enabled? (near bottom of main Audacity window)

I think the problem is your cable. I think it's the wrong sort

Can you find a picture of the cable that you are using, or pictures of what each end of the cable looks like.

There are some general tips here regarding this type of problem http://wiki.audacityteam.org/wiki/Troubleshooting_Recordings#Skips Given that you are using a relatively high spec computer my guess is that either you have bad sound card drivers or (more likely) another program is interfering with the...

What media player are you playing it back with?
If you import the MP3 back into Audacity does it play in Audacity?