Digital-to-digital sample rate converter

Details Digital-to-digital sample rate converter Digital-to-digital sample rate converter

1994-12-23

1997-04-15

Hoff, Marc S.

Coded data generation or conversion

Digital code to digital code converters

Data rate conversion

3647241, H03M 700

Patent

active

056214049

ABSTRACT:
A digital-to-digital sample rate converter for converting digital input signals x(n) having a first sample rate F into digital output signals y(m) having a second sample rate F.multidot.L/M, wherein L/M is an arbitrary rational fraction. The digital lowpass filter needed for sample rate conversion has a piecewise continuous linear hull curve. This allows an efficient and low-cost hardware solution, since only one multiplier is needed for the digital-to-digital sample rate converter.

REFERENCES:
patent: 4496974 (1985-01-01), Heitmann
patent: 4604720 (1986-08-01), Stikvoort
patent: 5111417 (1992-05-01), Belloc et al.
patent: 5389923 (1995-02-01), Iwata et al.
patent: 5485152 (1996-01-01), Wilson et al.

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