Datasheet > AP8302

AP8302

更新时间： 2024-09-23 00:04:31

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描述
SRS WOW HD Audio Processor IC

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AP8302 数据手册

AP8302

SRS WOW HD Audio Processor IC

OVERVIEW

The AP8302 is a WOW HD audio enhancement processor

based on SRS Labs’ award-winning WOW technology.

WOW delivers

a broadened stereo field, improved

dynamics and increased bass performance over stereo

headphones or a wide range of speaker sizes. WOW HD

goes a step beyond WOW by delivering a new purity to

sound with cleaner, livelier audio quality (definition),

advanced bass enhancement for fatter low frequency bass

(TruBass) and incredibly innovative “center” control to

place center information in the stereo mix in the forefront or

toward the back, in a delicate balance with the 3D stereo

width control (SRS 3D).

AP8302 operates under hardware mode or software mode in which the audio enhancement features are

programmable through I²C bus, making it suitable for wide range of applications with or without external

MCU. Extended flexibility in software mode operation allows AP8302 to load preset configuration of

WOW HD stored in external EEPROM for optimal audio effect. Enhanced selectable TruBass filter setting

by pin settings for speaker with typical resonant frequency between 40Hz and 400Hz minimizing external

components. Apart from the integrated TruBass audio enhancement, separate subwoofer output is also

available to support external connection to a subwoofer for dedicated bass reproduction. The built-in

input volume control prevents signal clipping during audio enhancement while incorporating output

volume control further reducing the total number of external components.

APPLICATIONS

SRS AUDIO TECHNOLOGIES

Docking system, TV set

SRS WOW HD

SRS WOW

SYSTEM BLOCK DIAGRAM

SRS 3D

SRS FOCUS

SRS TruBass

SRS Headphone

Definition

MCU or EEPROM

( Software Mode only)

I²C Bus

Power

Audio

Speaker

AP8302

Amplifier

Source

FEATURES

Cost effective single chip sound enhancement solution with SRS Lab’s WOW HD technology

Definition exposes more details of musical and theatrical vocals and high frequency elements

present in audio source

Center control incorporated in SRS 3D adjusts the center content of stereo image forefront or

backward and creates an ideal 3D sound space

TruBass filter selectable without external component

SRS Headphone mode incorporated with on/off control

All chip features real time software adjustable by I²C bus

Operating voltage: 2.7V to 5.5V

PB_AP8302-Rev1

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