System on a chip with multiple independent outputs

An audio output circuit includes a DAC module, a line out circuit, and a headphone amplifier circuit. The digital to analog conversion (DAC) module is coupled to convert an audio component of digitized multimedia data into an analog audio signal. The line out circuit is coupled to amplify the analog...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Felder, Matthew D, Seaberg, Charles Eric
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An audio output circuit includes a DAC module, a line out circuit, and a headphone amplifier circuit. The digital to analog conversion (DAC) module is coupled to convert an audio component of digitized multimedia data into an analog audio signal. The line out circuit is coupled to amplify the analog audio signal based on a line out volume setting. The headphone amplifier is coupled to amplify the analog audio signal based on a volume setting to produce an amplified analog audio signal.