Control system for deinterleaving memories in digital audio repr

Details Control system for deinterleaving memories in digital audio repr Control system for deinterleaving memories in digital audio repr

1985-10-30

1987-12-01

Atkinson, Charles E.

Excavating

371 39, G06F 1110

Patent

active

047109238

ABSTRACT:
A control system for deinterleaving memories in a digital audio reproducing apparatus. A plurality of cross-interleaved symbols are written into or read out from the memory areas of a RAM. The control system includes three processors for controlling the symbols. The first processor prepares a memory area with a predetermined storage capacity in the RAM. The second processor reads and writes the first symbol of a plurality of cross-interleave symbols into the memory area. The third processor likewise reads and writes the second symbol into the memory area. The second processor includes a counter for determining the address. The third processor includes an adder producing a sum of the counter output and a fixed amount to determine the second address.

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patent: 4541091 (1985-09-01), Nishida et al.
patent: 4546474 (1985-10-01), Sako et al.
patent: 4593394 (1986-06-01), Tomimitsu
patent: 4598403 (1986-07-01), Odaka

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