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Signal processing method and device for digital signal reproduction apparatus

  • US 4,991,033 A
  • Filed: 09/28/1988
  • Issued: 02/05/1991
  • Est. Priority Date: 09/30/1987
  • Status: Expired due to Fees
First Claim
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1. A signal processing device for use in a digital signal reproduction apparatus which reproduces digital signals in a record medium in which plural channels of digital signals are recorded thereon in plural tracks, said digital signals being reproduced by plural reproduction heads associated with said plural tracks, said signal processing device comprising:

  • address signal generation means for generating a write-in address signal and a read-out address signal;

    memory means comprising m (where m is an integer not less than

         2) memories for writing and reading, in response to said write-in address signal and said read-out address signal, digital signals which are read out in parallel from plural tracks of said record medium by said plural reproduction heads, time-divided for every associated reproduction heads, and multiplexed with a multiplexing factor of n (where n is an integer not less than

         2), said memories respectively storing signals supplied from an identical reproduction head in identical addresses, each of said memories storing signals supplied from respective reproduction heads in different addresses.

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