The DE555 is a new generation of de-essing technology, providing transparent, precise de-essing with unique flexibility. Intelligent signal analysis allows the DE555 to effectively de-ess at any signal level – no manual input threshold adjustment required. Other options include continuously adjustable ratio and release controls to fine- tune the de-essing amount, plus a high frequency (HF) only mode for reducing the signal level of only the ‘sss’ and not the original dialog.
Key filter options include high pass and band pass filtering. A unique focus control further enhances the key filter’s ability to separate ‘essing’ from actual dialog. The key filter output can also be monitored. Real-time displays of de-essing amounts and key filter response enable quick and easy setup.

Reducing Sibilance
More aggressive de-essing settings for background vocals allow the lead vocal to stand out more, as the lead vocalist articulation comes out, while the background vocals remain, well, in the background.
Shift
When using DE555 HF only mode, the frequency shift control will move around the HF only processing as much as one octave below or above the selected key frequency. Very useful for attenuating different frequencies other than the original key frequency.
Smooth Guitar Tone
Fret squeaks produced by the guitar player can be reduced using a de-esser. The same tips apply as when de-essing a vocal or dialog track - too much can sound unnatural - so don’t overdo it.
"McDSP is all over Magnum Opus Broadcasting... the DE555 and 6060 are on various interview clips. A show like this is mixed 'in the box', so it's important to have the finest tools by your side."
Steve Levine
Music Producer, Songwriter, Broadcaster (Culture Club, Westworld, The Beach Boys)
"McDSP is all over Magnum Opus Broadcasting... the DE555 and 6060 are on various interview clips. A show like this is mixed 'in the box', so it's important to have the finest tools by your side."
Steve Levine
Music Producer, Songwriter, Broadcaster (Culture Club, Westworld, The Beach Boys)
Features
  • Advanced de-essing technology

  • Unique key filter focus and de-essing controls

  • Real-time metering and key filter response plot

  • High frequency (HF) only option
  • Double precision processing

  • Zero latency

  • Collection of presets from award winning mix engineers

  • Mono and stereo versions
Formats
  • HD: AAX DSP/Native, AU, VST3
  • Native: AAX Native, AU, VST3
WANT TO LISTEN TO THE DE555 IN ACTION?
The Power of De-Essing
Any source with abrasive high-end can be not only annoying to listen to, but it can also border on painful in some cases.
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Filter Type
Choose between a high pass or band pass filter.
Key Listen
Press the “Listen” button to monitor only the filtered signal to make sure that what is being compressed is exactly the right frequency.
Shift Control
When using DE555 HF only mode, the frequency shift control will move around the HF only processing as much as one octave below or above the selected key frequency.
Display Graph
The graphs in this section visualize the frequencies that are being keyed in and the amount of compression being applied.
IO Meters
Accurately monitor the input and output levels with these meters.
HF Exclusive
This switch toggles the compression to either only compress the signal that has been keyed in, or the entire signal.
Sound Examples
Dialog 1
Dialog 2
Drums
Female Vocal 1
Female Vocal 2
Male Vocal
Violin
Vocal Chop
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