Quiet power up and power down of a digital audio amplifier

A closed loop audio amplifier system and method of powering up/down the system without producing audible artifacts are provided. During power up, a prebias voltage is provided to each output connected to a speaker to increase the voltage to a nominal output level. High impedance switches are then dr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ROECKNER WILLIAM J, CONNELL LAWRENCE E, RAKERS PATRICK L, MIDYA PALLAB, STEWART BRADLEY C, MAVENCAMP DANIEL A
Format:	Patent
Sprache:	eng
Schlagworte:	AMPLIFIERS BASIC ELECTRONIC CIRCUITRY ELECTRICITY PULSE TECHNIQUE
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