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Squealer-Killer with Real-Time Equalization

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Real-Time equalization is achieved in this unit under near feedback conditions. Off-line equalization is accomplished in seconds. Band gains are continuously being adjusted to accommodate a wide range of dynamic frequency spectra. Feedback is suppressed by high Q assignable Notch filters, usually within 50 milliseconds and before the human ear can detect it. An inexpensive 8-Bit Microcomputer controls the system.

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AES - Audio Engineering Society