Patent ID: 7050966

Claim:
A system for improving a signal intelligibility over an interference signal, the system comprising: a first input for receiving an information signal including a signal-of-interest possibly contaminated with environmental noise; a second input for receiving an interference signal including the environmental noise, the second input being capable of receiving the interference signal on a continuous basis regardless of whether the signal-of-interest is present or absent; an analysis filterbank for receiving the information signal through the first input and transforming the information signal in the time domain into a plurality of sub-band information signals in the transform domain; a signal processor for receiving and processing the sub-band information signals output from the analysis filterbank and the interference signal received through the second input on a continuous basis, the signal processor including a psychoacoustic processor for computing a dynamic range using a psychoacoustic model to render the sub-band information signal audible over the interference signal, and a synthesis filterbank for combining the audible sub-band information signals output from the signal processor to generate an output signal having the signal-of-interest with improved signal intelligibility.