Tone restoring apparatus

Details Tone restoring apparatus Tone restoring apparatus

1986-04-01

1988-01-26

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

Recording for changing duration, frequency or redundant...

360 32, G11B 500

Patent

active

047220090

ABSTRACT:
In a tone-restoring apparatus, a first and a second hold circuit latch at a period of 2T data signals read from a digital memory in response to a first and a second address supplied to the digital memory, and a first and a second multiplier circuit multiply the data signals latched in the first and second hold circuit by a monotonically increasing weighting function W.sub.1 (x) (0.ltoreq.x.ltoreq.NT, 0.ltoreq.W.sub.1 (x).ltoreq.1) or a monotonically increasing weighting function W.sub.2 (x) (0.ltoreq.x.ltoreq.NT, 0.ltoreq.W.sub.2 (x).ltoreq.1). An adder circuit adds the output signals from the first and second multiplier circuits to each other.

REFERENCES:
patent: 4620238 (1986-10-01), Gaskell et al.

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