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AP8111 - TruBass Audio Enhancement Processor

Datasheet Summary

Description

Left channel audio line output Left channel audio line input 2.25V analog reference Not used 100Hz band-pass filter circuit 100Hz band-pass filter circuit 100Hz band-pass filter circuit Analog ground TruBass gain control.

+6dB gain when this pin short to ground.

Features

  • Operating Voltage 4.75V to 5.25V Low Operation Current 10mA typ Power down and Bypass mode selection Analog switch for mode and gain control External adjustment for speaker size setting (small, medium and large) Bipolar Technology Chip Package 28 pins SOP The TruBass technology rights in the AP8111 are owned by SRS Labs, a United States. Corporation and licensed to ASP Microelectronics Ltd. TruBass is protected under US and foreign patents issues and/or pending. TruBass and the symbol are tradem.

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Datasheet Details

Part number AP8111
Manufacturer ETC
File Size 457.42 KB
Description TruBass Audio Enhancement Processor
Datasheet download datasheet AP8111 Datasheet
Additional preview pages of the AP8111 datasheet.

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Full PDF Text Transcription

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P A ASP TruBass Audio Enhancement Processor AP8111 PRELIMINARY 1 Overview The AP8111 is a bass enhancement processor based on SRS Labs, Inc.’s patented TruBass technology. TruBass is a revolutionary psychoacoustic bass enhancement technology that provides deep, rich bass to small speakers without the need for a subwoofer or additional extra physical components. Deep bass now becomes possible even through speakers with limitations in driver and cabinet design. TruBass circuitry actively monitors the low-frequency content of an audio signal and optimizes the frequency and amplitude spectrum of the output signal to enhance bass perception. For systems with a subwoofer, TruBass complements and enhances bass performance.
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