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Michael A Koulopoulos, Ronald P Rappel, Thomas R Hegg: CD transport apparatus. Vimak Corporation, Dick and Harris, February 22, 1994: US05289439 (30 worldwide citation)

An improved CD transport apparatus wherein said apparatus incorporates a digital signal processor for processing digital audio signals read from a compact disc. The digital signal processor additionally serves to alter the gain of the digital audio signal when various control operations are commande ...


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Michael A Koulopoulos, Russell A Siggelkoe, Thomas R Hegg: Multiple clock signal generator apparatus. Vimak Corporation, Dick and Harris, November 30, 1993: US05266908 (17 worldwide citation)

A digital-to-analog converter--preamplifier apparatus serving as an interface between a source of digital audio signal data and an amplifier is disclosed. A digital stage receives multiple digital audio signal inputs, a selected one of which is analyzed by a digital audio interface receiver, process ...


3
Michael A Koulopoulos, Russell A Siggelkoe, Thomas R Hegg: Digital-to-analog converter--preamplifier apparatus. Dick and Harris, September 7, 1993: US05243344 (9 worldwide citation)

A digital-to-analog converter--preamplifier apparatus serving as an interface between a source of digital audio signal data and an amplifier is disclosed. A digital stage receives multiple digital audio signal inputs, a selected one of which is analyzed by a digital audio interface receiver, process ...


4
Michael A Koulopoulos, Praduman Jain, Sriram Jayasimha: Method for correcting errors in digital audio data. Vimak Corporation, Dick and Harris, May 2, 1995: US05412638 (2 worldwide citation)

An improved method for correcting errors in a sequence of digital audio data for use in a system having a compact disc player device and a digital signal processor. A compact disc player device reads a compact disc and outputs digital audio data as a series of digitized samples and detects erroneous ...


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