VocalChain: all you need to add polish to your vocals in a single plug‑in.
Cubase’s VocalChain can polish and add character to your vocals in an instant.
For Artist and Pro users, the return of the Vocoder plug‑in (which we explored in the March 2024 column) was not the only significant addition in Cubase 13: Steinberg also added the new VocalChain plug‑in. While this essentially combines the facilities offered by a number of Cubase’s existing plug‑ins, it’s impressive just how quickly it lets you go from raw vocal to a polished mix‑ready sound. So, with a few vocal examples at hand (you can listen on the SOS website: https://sosm.ag/cubase-0524), let’s explore the possibilities.
Go With The Flow
The main screen above shows VocalChain in action. Arranged down the left edge is the full set of processing modules offered, and these are arranged as three sections, Clean, Character and Send. Your audio is processed through these in order to apply ‘corrective’ processing, add character/sonic flavour and then ambience/stereo imaging. Individual modules can be engaged or bypassed as required and, in a section, you can change the order of individual modules (drag a module up/down to reposition it). With a total of 16 modules (you can use them all if you need to), this is quite a toolkit. But because it loads as a single plug‑in and everything’s available in a single window, it’s very easy to navigate.
The GUI provides three different levels of control. In the screenshot, the Overview tab is selected (top‑left, highlighted in yellow), and beneath the spectrum display you then get access to the most significant parameter from each module. However, select the Clean, Character or Send tabs (when selected, these are highlighted in blue, cyan and green, respectively), and the choice of controls changes to focus on the modules in this section, with more control over specific modules. Finally, select an individual module, and the display changes again to provide access to the full control set for that module. It’s a clever bit of design that means you can quickly switch between different levels of editing.
There’s also a set of style/genre‑based presets to get you started, and these should not to be underestimated. OK, so there’s no AI involved here (VocalChain doesn’t listen to your audio and then make some setting suggestions in the way that, say, iZotope’s Nectar might) but they’re well worth exploring and can get you off to a flying start. You just find a preset that provides a suitable starting point and then tweak to taste, using any of the three control levels described above.
Time To Tweak
In terms of that tweaking, a sensible initial task is to use the input and output metering on the right to set your levels. Setting the input level control to get your signal into the green coloured range of the meter is a good start, as it will most likely ensure your signal hits the first active dynamics stage in the preset’s design at an appropriate level. You can then adjust the output level to find the happy place where the vocal sits most comfortably in the mix. It’s also interesting to watch the two meters during playback: with two compression stages, two dynamic filters and two de‑essers available, there can be a serious amount of dynamics management going on, should you need it.
While tweaking, one further feature makes it much easier to evaluate the impact of the changes you are making: the ability to solo each module. In the list of modules, this solo mode can be activated via the small ‘s’ button located to the left of each module’s name. Once activated, all other modules are bypassed (so the overall signal level might also change), but it allows you to more easily focus on what the current module is doing to your vocal’s sound. And, by also using the selected module’s bypass button, you can easily assess the impact the module is having on the unprocessed signal. These auditioning options are particularly useful for the various EQ, dynamics, filter and exciter/saturation modules.
Make It Pop
So, what about the processing itself? As I said, there’s a lot packed in here, but a few highlights can serve as examples — remember to check out the audio examples on the SOS website if you want to hear some of these options in context.
Let’s start with a ‘pop’ vocal example. VocalChain includes a number of suitable presets, such as Perfect Pop Dry Vocal or Shiny Pop Vocal, that can deliver a very crisp and compressed, if (deliberately) not particularly natural starting point. Another common pop production technique is to add some ‘weight’ to a lead vocal by blending in a vocal double an octave below the main sung line, and the Lead Vocal Reinforce preset does just that. While it also provides dynamics and EQ settings that are suitable for modern pop, the ‘weight’ is added using the Pitch module.
As shown in the screenshot, this can be used to apply some automatic pitch correction (either subtle or not so subtle — try the Trap Icon preset), but that’s not being used here. Instead, this preset uses the Detune and Formant controls to pitch‑shift the vocal down by an octave, along with a suitable downward shift of the formants that makes this down‑pitched voice sound a little more natural. Finally, the Mix control has been used to set the blend of the original voice and the ‘octave down’ version. So it’s the same vocal, but with more ‘weight’.
The Pitch module does automatic pitch correction but can also be used to fake a vocal double.
Rock On
Lots of rock or metal singers can achieve aggressive vocal distortion through their singing technique, but this is also something you can enhance or create through processing. Here, the Hot Rock Hot Valve Mic Chain preset does just that. While the Character section’s Exciter module contributes, it’s the Saturator module that does the heavy lifting.
As shown in the screenshot (and can be heard in the audio examples), using the Distortion mode and the Drive control maxed out, this preset doesn’t hold back, but it illustrates what’s possible. It’s also worth noting that the Filter Bank is engaged — this focuses the distortion in the 500Hz‑3.5kHz region. It’s a very useful option and, in this case, it enhances the gritty, lo‑fi nature of the sound. If you want to dial it back a bit, then Tape and Tube modes, and different Drive and Mix settings, make that easy. And, of course, all these controls can be automated in Cubase if you want to add that saturated edge just to specific words or phrases in the performance.
The Delay module also features a Filter Bank, but this feature really shines in the Ducker, where it can help prevent your ambience effects from adding clutter to a busy mix.
Duck Duck Go
The benefit of the Send section is that it avoids the temptation of sending your lead vocal to reverb or delay effects used for more general duties in your project and, instead, you can configure settings specifically for the vocal part. In busy mixes (for example, an uptempo EDM project), too much delay or reverb can easily muddy a mix. However, as the Platinum Female Vocal Chain preset illustrates, VocalChain’s toolset allows you to manage this while still getting epic with your vocal ambience.
The Filter Bank feature in the Saturator module lets you target the specific frequency range for any distortion.As shown for the Delay module in the final screenshot, two particular features are useful. First, as with the Saturator module, both the delay and reverb modules offer a Filter Bank, allowing you to trim out frequencies in the delay repeats (or reverb) so you don’t get excessive low mids (to clog up the mix) or (at the top end) repeats fighting with your hi‑hats. However, it’s the ducker’s Amount and Release controls that are the stars of the show. They allowing you to suppress the level of the delay (or reverb) while the source vocal is present, and then control how quickly that ducking is released (so you hear the delay in all its glory) between the vocal phrases. It’s a classic trick, and VocalChain makes it very easy to pull off.
Join The Chain Gang
There are plenty of very capable third‑party ‘vocal signal chain’ plug‑ins designed to tackle the same task, including some powerful ones that feature AI assistance. But until AI can read our minds, it can’t know exactly what kind of sound we’re trying to create, so there is always going to be project‑specific tweaking to be done. Arguably, VocalChain’s presets can provide just as valuable a starting point as many AI plug‑ins, and because the GUI makes it really easy to adjust every component in a single window, it’s super easy to tweak your vocal sound to suit the mix. Of course, the potential of getting quick results is only one aspect of using VocalChain.
There’s a lot more to explore in the plug‑in, so it’s a topic I’ll probably return to in a future column.
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