Method of analyzing a digital media by a digital media player

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system

Reexamination Certificate

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C369S053100

Reexamination Certificate

active

11331527

ABSTRACT:
A method of analyzing a digital media by a digital media player and displaying the condition of the digital media whether or not the player ejects the digital media, provides useful information for the end user. Preferably, an ASIC of the digital media player measures jitter, HF and BLER and inputs the measured values into a microprocessor of the player. If the measured values are greater than respective pre-established threshold values, the microprocessor tabulates and stores running averages to an electronic memory. If the running averages are excessive, the player will deliver an error message to the end user preferably on an electronic display of the digital media player.

REFERENCES:
patent: 5812506 (1998-09-01), Pietrzykoski et al.
patent: 6278784 (2001-08-01), Ledermann
patent: 2002/0054549 (2002-05-01), Ohtsu
Robert Harley, “The Analog Compact Disc,” dated Dec. 1994, (includes a “sidebar” review of the Clover Systems QA-101 CD Analyzer), Stereophile.com website.
Operating Manual for the Clover QA-101 Compact Disc Analyzer, Clover Systems internet website.
Description QA-101, Clover Systems internet website, Copyright 2001.

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