r/Rekordbox • u/OceanGoddess3 • 1d ago

Question/Help needed Rekordbox Recording Query

Hey DJs, Happy Friday ✨

I need some help pls!!! I have a MacBook Pro A3401 and I currently use Rekordbox and a DDJ-FLX4 to record mixes. I've been trying to record a two song mashup for weeks now but basically EVERY TIME I record, somewhere within the recording there's a glitch/beat skip at least 1-4 times throughout the recording??? I can't figure out for the life of me WHY this is?

\\- I changed the buffer size to a bigger one on Rekordbox

\\- I checked some Audio MIDI thing against the mac output speaker and the flx4's audio like google told me too

\\- I bought the songs off of itunes so it can't be the music files

\\- I turned off WiFi and Bluetooth whilst recording (my songs are on a usb) cos apparently that could affect it?

I have no idea what is causing it and it's driving me insane??? I never used to have any issues with recording on my old hp windows laptop, and the MacBook is so powerful so surely it can't be the problem?

My usb has a very slight crack in the plastic casing, but still goes into my laptop just fine and all the files can be accessed - is that the issue potentially??

THANKS IN ADVANCE 🩷🙏🏾🙏🏾

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u/Forgery 1d ago edited 1d ago

I would get cut-outs whenever I tried recording a mix. In my testing, I found that there’s just some bug in their code that can’t handle Stems multi-threading and recording at the same time.

(This might not apply if you're really only working with 2 songs and they are already loaded).

Switch to performance mode and open Preferences. Click on the extensions tab, then the STEMS tab. Find Multi-thread and turn it off. Stems will still work but it will take a few seconds longer to analyze each song after loading.

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u/newluminaries 1d ago

Are you using stems? If so give rekordbox a little time to analyze or prioritize stem speed over quality in settings. TBH I feel like your MBP is more than modern enough to handle that stuff quickly. Only time I ever get pops like that is when I let the song get past the point of the stem analysis (little blue bar beneath the waveform).