Method and apparatus to enhance the efficiency of storing digiti

Details Method and apparatus to enhance the efficiency of storing digiti Method and apparatus to enhance the efficiency of storing digiti

1994-10-04

1996-08-06

Hoff, Marc S.

Coded data generation or conversion

Sample and hold

Having variable sampling rate

341 61, 341155, H03M 112

Patent

active

055437923

ABSTRACT:
A sampler develops a digital representation of an analog signal at a predetermined sampling rate. The highest frequency of a period of samples is determined and, if sampling rate of the sampler exceeds the Nyquist rate, indicating oversampling, redundant sample points are discarded from the period and the reduced record is stored. A multiplicity of periods make up a recorded session. To reconstruct the original signal, a common time domain is determined and the reduced records are expanded based upon the common time domain.

REFERENCES:
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patent: 4763207 (1988-08-01), Podolak et al.
patent: 4768017 (1988-08-01), Gordon
patent: 4816829 (1989-03-01), Podolak et al.
patent: 5119093 (1992-06-01), Vogt et al.
patent: 5126737 (1992-06-01), Torii
patent: 5302950 (1994-04-01), Johnson et al.

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