Eventide Sheen Machine
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Manufacturer Information
Eventide
https://www.eventide.com
support@eventide.com
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What Sheen Machine Is For
Sheen Machine is a plug-in designed to bring soft brightness and a sense of "air" in the upper spectrum, while avoiding the typical side effects of boosting highs (sibilance, harshness, overly emphasized attacks). It is aimed at those mixing vocals, synths, guitars, pianos, overheads, or ambiance buses, who want an immediate, clean, and musical result.
Whether to repair a somewhat dull take, rebalance a source that is too dull, or enhance the sense of detail in a mix, Sheen Machine offers a modern approach to "exciter" and high-end processing, focused on controlling the output rather than simply increasing energy in the highs.
Main Features
Structural Split: Cleaner highs thanks to transient/tonal separation
The core of Sheen Machine is based on Eventide's Structural Split technology, derived from the brand's advanced tools. The plug-in analyzes the incoming signal to split it into two complementary layers: Transient (attacks, noises, pops, plosives, sibilance, "noise" elements) and Tonal (sustained notes, harmonics, timbre, ambiance, sustain). This separation allows targeted EQ curves to add "sheen" and air without inflating the transients, where traditional equalization acts more globally.
One knob, one goal: the sheen
Sheen Machine condenses a usually complex processing method into a simple gesture: turn the knob to adjust the amount of sheen. This approach is particularly effective when you need a quick setting in a mixing context, without interrupting your creativity with a long chain of processing or a very fine parametric EQ.
The interface also includes practical production-oriented functions: undo/redo, input gain, and built-in bypass to instantly compare the processed signal with the original.
Typical Mixing Applications
On vocals, Sheen Machine helps achieve a more open and "premium" upper spectrum while limiting excessive "ess" sounds. On synths, pads, and textures, it adds clarity and a pleasant high-frequency halo. On acoustic instruments or close-miked takes, it can restore brightness without making the sound brittle, making it an excellent choice when a simple high-shelf boost becomes too aggressive.
Technical specifications
| Type | Full software |
| Downloadable | Yes |
| Mac | macOS 10.14 or later (Intel and Apple Silicon) |
| Windows | Windows 10 or later |
| Structural Split Technology | Transient / Tonal separation for more musical high-frequency processing |
Questions frequently asked
Is Sheen Machine compatible with macOS and Windows?
Compatibility is ensured on macOS 10.14 or later, on Intel and Apple Silicon processors. Windows 10 or later is also supported.
How to avoid sibilance when adding air to a vocal?
The Structural Split technology separates the signal into Transient and Tonal components. Sibilance, plosives, and attacks belong to the Transient layer, while the brightness processing targets the tonal elements. This approach limits the boosting of 'ess' sounds associated with a simple high-frequency boost.
Which control is used to dose the brightness?
A single potentiometer adjusts the amount of sheen applied to the signal.
Can this plug-in be used on synths and guitars?
The processing is designed for synths, pads, guitars, pianos, and acoustic instruments. It can enhance the clarity of textures or brighten a dull recording without excessively emphasizing attacks.
Does the plug-in offer a bypass and input gain control?
The interface includes an input gain and a bypass to compare the processed signal to the source. Undo and redo functions also allow reverting adjustments made.




