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 E˛Deesser
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 The E˛Deesser is unique in that it allows you to separately process, audition and even route the sibilant and voiced parts of a vocal track: an extremely powerful feature that has been previously unavailable in de-essers. This patented feature provides unprecedented flexibility in the de-essing process, and opens up a new field of audio applications and effects, all in an Easy and Efficient way. It makes the E˛Deesser the ultimate de-essing tool for post production, broadcast, cinema, and vocal recordings.
A new approach to de-essing
A de-esser is usually a simplified multi/single band compressor driven by a filtered side chain. With the E˛Deesser, the detection process is completely independent from the processing, offering unprecedented flexibility in controlling and adjusting the amount of sibilants in your recording. You may combine wide band reduction with narrow band or low pass sibilance reduction, or even reduce a certain frequency range while boosting the sibilants’ global volume. And there's more: you can add some sparkle to the voiced parts without touching the sibilants…
Powerful sibilant detection
Most de-essers have an absolute detection ratio. Not so with the E˛Deesser; it detects sibilants uniformly regardless of the input volume, so you don't have to worry about monitoring the input level while adjusting the settings. Like most de-essers, you can freely adjust the E˛Deesser’s detection frequency. But unlike most de-essers, you can also adjust the responsiveness of the detection process as well as the reduction ratio, which is extremely useful when balancing between sibilant and voiced processing. Optional lookahead
You can choose between zero delay latency, a short latency or a long latency. The lookahead value is adjusted according to the detection and latency parameters, while keeping fixed plugin latency for the host automatic delay compensation. The sibilants attacks can be then perfectly detected without using a low response parameter, i.e. fast attack and release behaviors. Thus you can obtain a very smooth and transparent de-essing process : even with extreme sibilant reduction, the voice always sounds natural, without any abruptness or "lisp" effect. For live or tracking situations, the zero delay latency remains a very efficient and transparent option, when extreme sibilant reduction is not necessary.
Don't cut your vocal brightness
With a conventional de-esser, you have to lower the compression threshold for more pronounced sibilant reduction, which has the side-effect of reducing the overall brightness in the vocal, rendering it dull. We at Eiosis believe that a good de-esser should cut sibilants without affecting the tonal qualities of the sound. The E˛Deesser allows you to reduce sibilants gain while keeping the voiced parts intact, ensuring that the vocal’s brightness remains untouched.
Adjust the Detection
If you find the transition between sibilants and voiced parts becoming too abrupt, simply reach for the response and the reduction knobs in the detection section. This allows you to fine tune the transition between sibilant and voiced parts, ensuring uniform correction and giving you complete control over precision and smoothness of the sound. In most de-essers, changing the detection filter’s frequency also changes the behaviour of the detection process. Not so with the E˛Deesser: adjusting this frequency has no effect on the sibilants’ equalization. | Dennis Sands
I find the AirEQ plugin the most musical, versatile, and powerful eq I’ve come across to date.
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