Digital signal processing method and apparatus

Details Digital signal processing method and apparatus Digital signal processing method and apparatus

1996-09-18

1999-07-06

Grant, William

Excavating

371 211, 371 212, 371 391, 36414802, 36414803, 36446817, 36446902, H03M 1300

Patent

active

059205776

ABSTRACT:
To interpolate data produced in the course of transmission or recording/reproduction of .SIGMA.,.DELTA. modulated 1-bit digital data an interleaver distributes input contiguous 1-bit audio data over a range broader than can be typically interpolated, an error detector performs 4-bit-width detection on the distributed data transmitted over a transmission channel, a deinterleaver deinterleaves the distributed output data for converting the distributed output data into the contiguous 1-bit audio data that existed prior to interleaving, at the same time as it reallocates the error detection information detected by the error detector in corresponding bit locations, and an interpolator specifies error data in output data of the deinterleaver using the error detection information produced by the error detector for interpolating the specified error data.

REFERENCES:
patent: 5005089 (1991-04-01), Thanos et al.
patent: 5594791 (1997-01-01), Pahr
patent: 5648238 (1997-07-01), Yarrington

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