Subband coded digital transmission system using some composite signals

  • US 5,606,618 A
  • Filed: 12/27/1993
  • Issued: 02/25/1997
  • Est. Priority Date: 06/02/1989
  • Status: Expired due to Term
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First Claim
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1. An encoder for encoding a plurality of input signals, comprisingsteering means responsive to said plurality of input signals for generating at least one individual signal and a composite signal, said composite signal having a frequency spectrum in one frequency band, and said at least one individual signal having at least one respective frequency spectrum in a plurality of frequency bands excluding said one frequency band, said plurality of frequency bands respectively representing a corresponding one of said plurality of input signals within the plurality of frequency bands, andcontrol means responsive to said steering means for generating a steering control signal having at least one component relating to said frequency band of said composite signal.

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