The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 06, 1998

Filed:

Feb. 26, 1997
Applicant:
Inventor:

Peter Bo Holmqvist, Morrisville, NC (US);

Assignee:

Ericsson, Inc., Research Triangle Park, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M / ;
U.S. Cl.
CPC ...
375355 ; 341 61 ; 3647241 ;
Abstract

A sample rate converter is described for converting an input data stream including a plurality of input samples at one sample rate to an output data stream including a plurality of output samples at another sample rate. The converter uses an interpolation approach that utilizes an integer accumulator to track the timing relation between input samples and output samples. Based on the value of the accumulator, the method determines if the correct input samples are being used to calculate the current output sample. If so, the output sample is calculated as a function of the input samples and the accumulator value. The converter provides the robustness of a table based conversion approach without the need to pre-calculate and store a table, simplifies the calculations involved, and is less sensitive to numeric round off errors.


Find Patent Forward Citations

Holmqvist, Peter. (1998). Sample rate converter (U.S. Patent No. 5818888). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5818888

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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