Adaptive sample rate based on input signal bandwidth

Details Adaptive sample rate based on input signal bandwidth Adaptive sample rate based on input signal bandwidth

1986-10-31

1988-07-05

Shoop, Jr., William M.

Communications: electrical

Audible indication

Percussion-type sound producer

340347AD, 340347DD, H03M 700

Patent

active

047557958

ABSTRACT:
A method and apparatus selects an appropriate sampling rate for an input signal based on a dynamic measurement of the bandwidth of the signal. In the preferred embodiment, the bandwidth of the input signal is determined by comparing the power of the entire input signal with the power of the input signal within a selected bandwidth. A discrete Fourier transform is used to perform the bandwidth analysis.

REFERENCES:
patent: 3634760 (1972-01-01), Murtin et al.
patent: 3746997 (1973-07-01), Willett et al.
patent: 4359608 (1982-11-01), Watson
patent: 4568912 (1986-02-01), Kitamura et al.

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