The development and design of a high-quality vocal de-esser is described. Precise "ess" control is achieved by utilizing the characteristic properties of sibilants and a unique spectral detection technique. With appropriate gain reduction topologies, a constant sibilant balance can be maintained, independent of level or pre-equalization. The operating range exceeds 65dB without the need for user controls or adjustments. Other non-vocal applications of the methods illustrated are also discussed.
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