What Stutter Edit 2 does and why you'd use it in Reaper

Stutter Edit 2 is a plugin that creates rhythmic stuttering and glitch effects by repeating small slices of audio in time with your song's tempo. In Reaper, it sits on a track or bus and lets you automate those stutters to hit on beat, giving you control over when the effect happens and how intense it gets. You load it like any other plugin, draw automation to trigger the effect, and it syncs automatically to your project's BPM.

The plugin is useful when you want a vocal or instrument to stutter in rhythm — think of a DJ scratching a record or a vocal effect that repeats a syllable several times before moving forward. Without Stutter Edit 2, you'd have to manually slice the audio and copy it, which takes much longer and doesn't stay locked to tempo if you change your song's speed.

Reaper works with Stutter Edit 2 because Reaper accepts VST and AU plugins (depending on your operating system), and Stutter Edit 2 is built as both. The plugin reads Reaper's tempo information automatically, so the stutters always stay in sync with your track.

Key Takeaways

  • Stutter Edit 2 loads into Reaper as a standard plugin on any audio track or bus, and it reads your project's BPM automatically.
  • You control when the stutter effect happens by drawing automation on the plugin's parameters, usually the Mix or Trigger knob.
  • The plugin repeats audio in rhythmic intervals — you choose the note length (sixteenth notes, eighth notes, and so on) and how many times it repeats.
  • Stutter Edit 2 works best on vocals, drums, and synths, and you can layer multiple instances on different tracks for complex effects.

Installing Stutter Edit 2 so Reaper can find it

Stutter Edit 2 comes as a read from iZotope's website. After you buy and read it, run the installer for your operating system — Windows or Mac — and choose the default installation folder. The installer automatically places the plugin files in the correct location where Reaper looks for plugins.

Once installed, open Reaper and go to Options > Preferences > Plug-ins. Click the Re-scan button to force Reaper to search for new plugins. Reaper will scan your system and add Stutter Edit 2 to its plugin list. This usually takes a few seconds. After the scan finishes, close Preferences.

If Reaper doesn't find it after rescanning, check that you installed the correct version — VST for Windows, or AU/VST for Mac. On Mac, some users need to install both the AU and VST versions for full compatibility. If you're still stuck, restart Reaper after installation and rescan again.

Loading Stutter Edit 2 onto a track or bus

Click on the track where you want the effect. In the track's FX button (the small icon on the left side of the track), click it to open the effects chain. A window appears showing all plugins on that track. Click Add to open the plugin browser.

Type "Stutter" in the search box at the top of the plugin browser. Stutter Edit 2 appears in the list. Click it once to select it, then click OK to load it. The plugin window opens automatically, showing all its controls.

If you want the effect on multiple tracks at once — for example, stuttering a vocal and a synth together — load Stutter Edit 2 on a bus instead. Create a new bus in Reaper by going to Track > Insert new track, then set it as a bus. Route your vocal and synth tracks to that bus, then load Stutter Edit 2 on the bus. This way, both tracks stutter together with one plugin.

Setting the basic parameters before you automate

When Stutter Edit 2 opens, you see several main controls. Mix controls how much of the effect you hear — turn it all the way down and you hear only the original audio, turn it up and the stutter becomes louder. Repeat sets how many times the audio repeats in each stutter — 2 repeats means the sound plays twice, 4 repeats means it plays four times.

Note Length controls the timing of each repeat. If you set it to sixteenth notes, each repeat happens on a sixteenth-note beat. If you set it to eighth notes, the repeats are slower and further apart. Start with sixteenth notes for a tight, fast stutter, or eighth notes for something more spacious.

ThresholdFade controls how quickly each repeat fades out — higher values make the repeats blend together smoothly, lower values make them chop off sharply.

Adjust Mix to around 50% and Repeat to 4 as a starting point. Play your track and listen. If the stutter is too fast, increase Note Length. If it's too slow, decrease it. Once you have settings you like, you're ready to automate.

Automating the stutter effect to trigger on beat

The key to using Stutter Edit 2 musically is automation — drawing a line that tells the plugin when to turn the effect on and off. In Reaper, right-click on the track name and select Show track automation envelope. A new lane appears below the track showing automation.

Click the dropdown menu in that automation lane (it usually says "Volume" by default) and select Stutter Edit 2 > Mix. Now the automation lane controls the Mix parameter of Stutter Edit 2. The line starts at whatever Mix value you set in the plugin window.

To create a stutter effect, click on the automation line at the exact moment you want the stutter to start. Drag that point upward to increase the Mix value — this turns the effect on. Click again a beat or two later and drag downward to turn it off. The automation line now shows a peak, and when you play the track, the stutter happens only during that peak.

For example, if you want a vocal to stutter on the last beat of a four-beat measure, click the automation line at beat 4, drag it up to 100%, then click at the start of the next measure and drag back down to 0%. Play the track and the stutter happens exactly on beat 4. You can draw as many peaks as you want — one per measure, one per beat, or scattered throughout the song.

Troubleshooting common issues

If Stutter Edit 2 sounds out of sync with your track, check that your Reaper project's BPM matches the actual tempo of your song. Go to Project > Project Settings and look at the BPM field. If it's wrong, change it to match your song. Stutter Edit 2 reads this BPM and syncs to it, so if the BPM is incorrect, the stutters will be off-beat.

If the plugin doesn't respond to automation, make sure you're automating the correct parameter. Some users accidentally automate Volume instead of the Mix knob on Stutter Edit 2 itself. Check the automation lane dropdown and confirm it says "Stutter Edit 2 > Mix" or whichever parameter you want to control.

If Reaper crashes when you load Stutter Edit 2, try updating Reaper to the latest version. Go to Help > Check for updates. Also check iZotope's website for any plugin updates — sometimes a newer version of Stutter Edit 2 fixes compatibility issues with newer versions of Reaper.

If the stutter effect sounds too digital or harsh, increase the Fade parameter in the plugin to smooth out the repeats. If it sounds too mushy, decrease Fade. If the repeats are too frequent, increase Note Length to make them happen less often.

Layering Stutter Edit 2 for more complex effects

You can load Stutter Edit 2 multiple times on the same track or different tracks to create layered stuttering. For example, load one instance set to sixteenth-note repeats on your vocal, and another instance set to eighth-note repeats on a synth. Automate them separately so the vocal stutters on one beat and the synth stutters on another. This creates a more interesting, textured effect than a single stutter.

Another approach is to load Stutter Edit 2 on a bus with multiple tracks routed to it, then load a second instance on an individual track. The bus instance creates a general stutter across all tracks, while the track instance adds a tighter, more focused stutter on top. Automate them at different times for a layered, dynamic sound.

Experiment with different Note Length settings on each instance — one at sixteenths, one at eighths, one at triplets. The different rhythms interact and create a more complex glitch effect than any single instance alone.

Frequently Asked Questions

Do I need to buy Stutter Edit 2 or is there a free version?

Stutter Edit 2 is a paid plugin from iZotope. There is no free version, but iZotope sometimes offers trial periods or discounts. Check their website for current pricing and any promotions. Some free alternatives exist — like Glitch by Illformed or built-in Reaper effects — but they don't offer the same level of control or tempo-sync reliability.

Can I use Stutter Edit 2 on drums?

Yes. Stutter Edit 2 works well on drum tracks, especially on snare or hi-hat. The effect creates a rhythmic glitch that locks to your song's tempo, making it useful for builds and transitions. Load it on a drum bus to stutter all drums together, or on individual drum tracks for more control.

What's the difference between automating Mix and automating Repeat?

Automating Mix turns the effect on and off — at 0% you hear no stutter, at 100% you hear the full effect. Automating Repeat changes how many times the audio repeats while the effect is active. Mix is usually what you automate to trigger the stutter at specific moments. Repeat is useful if you want the intensity of the stutter to change over time.

Does Stutter Edit 2 work on Mac and Windows?

Yes, iZotope makes Stutter Edit 2 for both Mac and Windows. On Mac, install both the AU and VST versions for best compatibility with Reaper. On Windows, install the VST version. Both versions sync to Reaper's tempo automatically.

Can I save my Stutter Edit 2 settings so I don't have to set them up every time?

Yes. Once you have settings you like, Reaper saves them as part of your project file. When you reopen the project, Stutter Edit 2 remembers all your parameter settings and automation. You can also save individual plugin presets within Stutter Edit 2 itself by clicking the preset menu in the plugin window, though this is less common than relying on Reaper's project save.