ADVANCED SIGNAL PROCESSING SCHEMES

8.1 ADAPTIVE NOISE REDUCTION

8.1.1 Adaptive noise reduction technology
8.1.2 Adaptive noise reduction benefits
8.1.3 Impulse noise reduction

8.2 FEEDBACK REDUCTION

8.2.1 Feedback reduction by gain-frequency response control
8.2.2 Feedback reduction by phase control
8.2.3 Feedback reduction by feedback path cancellation
8.2.4 Feedback reduction by frequency shifting
8.2.5 Feedback reduction systems in combination

8.3 FREQUENCY LOWERING

8.3.1 Frequency lowering rules
8.3.2 Frequency lowering techniques
8.3.3 Commercially available frequency lowering schemes
8.3.4 Frequency lowering, speech intelligibility and candidacy

8.4 SPEECH CUE ENHANCEMENT
8.5 OTHER SIGNAL PROCESSING SCHEMES
8.6 CONCLUDING COMMENTS