I’m running into an issue where the synth loops I create in Ableton sound noticeably different—and a bit more distorted/saturated—when played back from my Octatrack, even though I’m gain-matching them. A tiny bit of Elektron “flavor” is fine, but in some parts of the loop, the difference is just too obvious.
Here is my workflow and what I’ve tried so far:
File prep: I export my synth loops from Ableton at around -14 LUFS.
OT Settings: I have already turned off the basic things like Time Stretch (attributes page) and verified that the playback rate is normal.
Routing: I play the sample from the OT, send it out via the Main Outs into my MOTU M4 line inputs, and back into Ableton.
The Gain Issue: When the audio comes back into Ableton, it is significantly quieter. I often have to add a +12 dB Utility in Ableton just to match the original -14 LUFS of the raw Ableton file.
Despite matching the final LUFS, the OT version sounds pushed/distorted in certain frequency areas.
Is this inherent to the Octatrack’s audio engine/converters, or am I doing something wrong in my gain staging? Could it be related to the internal track volume, the MASTER volume, or the way the OT handles headroom?
Would love to hear your insights or tips on how to get the cleanest, most transparent playback possible!
do you have a way to a/b them without sending the ot through the converters and adding gain? the extra ad/da stage could have an impact depending on the source material. you might want to check the input settings on your converters too, usually it’ll be something like 0dbu = -18dbfs
that said, i sold my ot because of the ‘color’ of the sound. but finding the most neutral way to a/b them would be my first suggestion
FX1 and FX2 set to none on the track and (if you’re using it) the master
Track volume at 127, master track volume at 127
VOL on Amp page at +63
Make sure MAIN is set to 0 on the MIX page.
Balanced cables between the octatrack and your interface
your interface has +18 dBu on the line level inputs. OT1 is +10 dBu on the outputs, OT2 is +17dBu, so you’ll need to make up either 8 or 1 dB on your interface.
Why are you measuring in LUFS? Just normalise it to peak at a specific dB. Even 0dB is ok because you can then alter the gain in the Octatrack if it’s too hot and clipping the output.
check that it sounds correct coming straight from OT → headphones
check that it sounds correct coming from OT → interface (monitor INPUT of interface, not DAW mix)
If it sounds bad when monitoring via headphones, it’s a problem with OT settings.
If that’s OK but it sounds bad listening from the interface INPUT, then it’s a problem with the interface settings.
If that’s OK but it sounds bad listening in the DAW, then it’s a problem with DAW settings.
I would agree with poster above that LUFS is not the best target in this situation, it’s peaks you have to think about. You loops could peak in Ableton but be handled gracefully by master limiters etc in a way the OT won’t. A synth track could easily peak in Ableton without audible distortion if you have compression/limiting on the Ableton master; if you export the track, that master limiting won’t be there and the sample will be distorted at any volume.
I’d export them normalized to -1db (or 0db if you want to), make sure there’s no clipping. Then in the Octatrack’s AED either go to sample attributes and set the default -12db to 0 db or compensate with amp volume (+63 in this case IIRC).
Track level 127, main out level at 0 (open mixer menu and check levels there).
Reset fx slots (FX1/FX2 + Clear) or manually check if you’re not blasting filter drive or smt like that.
As noted above the (default) Filter FX colours the sound even when fully open, so remove that and check again
Gain staging everything properly with an OT can be a fine art.
It’s a sampler! I personally like that they all have tonal characteristics. The first thing I do with a transparent modern sampler is find ways to introduce character - 303/404 vinyl sim, SP1200 emulation, bit and samplerate reduction etc. Perhaps better to lean into it, especially if you’re at the point where you’re treating it as a science experiment, it’s a path to insanity.
Personally I monitor everything that will be played by Octatrack through my Octatrack. I’d chasing ghosts all day if I didn’t. But it shouldn’t sound distorted and usually a bit of EQ does wonders if your goal is to get rid of OT’s colour.
Embracing it is probably the best choice. Go nuts with what the OT can do.