Lowered pitch in playback

It seems that Audacity is recording at a lower pitch when there are other tracks in the project. If I open a new project and record a new track, playback is perfect. Any tracks I try to record alongside this track have lower pitches in playback…

I’m using Audacity 2.2 on Windows 10 with a Line6 PODxt Live audio interface.

How far off is it?

For example one semitone is a little less than a 6% difference, and the difference between 44.1kHz and 48kHz is a little less than 9%. If it’s less than one semitone it’s not a sample rate issue.

Sample rate conversion isn’t supposed to change the speed/pitch, unless something goes wrong.

I’m using Audacity 2.2 on Windows 10 with a Line6 PODxt Live audio interface.

Are you playing-back through the POD or your soundcard? Can you play-back through the POD?

The clocks (oscillators) in two different devices will never match perfectly* and some consumer soundcards are far-enough off to cause a problem. (If you record and play-back on the same device, you’ll never know there’s a problem.)


  • Pros use a super-accurate master clock and interfaces with master-clock inputs so everything can be accurate and synchronized down to the exact-sample.

Thanks for your reply DVDdoug. I do playback through the POD, and have discovered the issue.

The sample rate and bit depths for the POD did not match for recording and playback. It was a pretty simple fix:

Control Panel > Hardware and Sound > Manage audio devices then navigated to the Advanced tab in the POD devices listed under both Recording and Playback.

I’m sure I don’t have much life left in this PC anyways, it’s almost a decade old…

Using windows 10, audacity 3.04
Been using audacity for about 10 years suddenly the playback is low pitched I haven’t changed anything since the last time I used it.
I checked the sample rates on my device, my audio hardware for mic and playback speakers as well as in Audacity, everything is set to the same level. But for some reason the playback is low pitched.
I am recording my voice only. As I stated I’ve done this for years, no parameters were changed anywhere, was just doing this.
Any ideas?