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ESFM Demystified (2023-01-13) by jwt27
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ESFM Demystified (2023-09-23) by jwt27
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US Patent 5,578,779 METHOD AND INTEGRATED CIRCUIT FOR ELECTRONIC WAVEFORM GENERATION OF VOICED AUDIO TONES by ESS Technology (1996-11-26)
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US Patent 5,581,045 METHOD AND INTEGRATED CIRCUIT FOR THE FLEXIBLE COMBINATION OF FOUR OPERATORS IN SOUND SYNTHESIS by ESS Technology (1996-12-03)