×

Multi-band programmable compression system

  • US 4,882,762 A
  • Filed: 02/23/1988
  • Issued: 11/21/1989
  • Est. Priority Date: 02/23/1988
  • Status: Expired due to Term
First Claim
Patent Images

1. A multi-band compression system comprising means for receiving an audio signal, band split filter means coupled to said receiving means for separating said received audio signal into a plurality of frequency bands, a plurality of compressor means, each of said compressor means being coupled to said band split filter means for compressing a respective one of said frequency bands, summing means coupled to the output of each of said compressor means for combining said respective compressed frequency bands and generating a composite audio signal, means responsive to a first set of control signals for setting the compression ratio of each of said compressor means to a preselected separate value, and means responsive to a second set of control signals for setting the average gain of each of said compressor means to a preselected level independently of the others of said compressor means, wherein said means responsive to said first and second control signals provides frequency response equalization of said composite audio signal.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×