US2017201217A1
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Adaptive tracking rail audio amplifier
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US2013272547A1
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Adaptive rail power amplifier technology
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US9040806B1
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Multi-channel noise reduction system with direct instrument tracking
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US8842852B1
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Audio dynamics processing control system with exponential release response
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US2011311072A1
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High definition distributed sound system
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US2007133825A1
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Multi-channel noise reduction system with direct instrument tracking
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US2006008096A1
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Audio dynamics processing control system
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US9137618B1
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Multi-dimensional processor and multi-dimensional audio processor system
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US2006005694A1
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Active instrument subwoofer system for low frequency enhancement
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US7035413B1
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Dynamic spectral matrix surround system
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US5263091A
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Intelligent automatic threshold circuit
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US5268527A
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Audio power amplifier with reactance simulation
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US5124657A
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Composite signal processor and single-ended noise reduction system
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US4881047A
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Automatic gain expansion system
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US4893099A
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Extended response dynamic noise reduction system
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US4696044A
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Dynamic noise reduction with logarithmic control
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US4745309A
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Adjustable RMS circuit
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