Audio plays back at a faster or slower rate than expected

This is usually the result of mismatched clock rates and/or multiple clock masters. For example, if you are playing back audio recorded at 44.1 kHz, but you have set the clock for 48 kHz, the audio will play back faster and at a higher pitch than expected. Make certain you have set only one device as clock master, all other digital devices configured to slave, and that the selected sample rate matches the audio source.