Back in the 1990‘s, we developed an alternative way to process signals based on phase cancellation in order to reduce sibilance.

Unlike traditional compression methods, this procedure is much more unobtrusive and simplifies control to one single parameter. SPL‘s De-Esser quickly became a standard reference among recording studios, broadcast stations and live sound engineers.

The Dual-Band De-Esser expands on this concept by making use of two frequency bands that can be used independently or jointly. Two de-esser stages increase processing effectiveness without introducing audible artifacts. Focused processing with high and low bands makes it possible to process sibilant sounds with great precision. Furthermore, input signals are automatically adjusted so the processing is uniform, regardless of the distance between source and microphone. The Male/Female modes adapt processing in the lower band to male or female voices.

Key Features:

• Sibilance reduction by phase cancellation
• Very effective - very unobtrusive
• 2-band processing: Hi-S and Lo-S
• Only 2 controls - easy and fast to use
• De-S intensity LED display
• Male/Female voice selection
• ON/bypass switch
• Signal LED
• Single-Slot 500 series rack module
• Made in Germany

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