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MP3 Audio Decoder

PT8401

PT8401 v 1.3

Page 1

Updated March 2002

Princeton Technology Corp.

Description

The PT8401 is a single chip MPEG audio decoder capable of decoding all layers compressed elementary

streams, as specified in MPEG 1 and MPEG 2 ISO standards. With external A/D converter, it can also

compress incoming signal by using ADPCM algorithm, therefore it can also playback ADPCM bitstream.

Features

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Supports all the sampling frequency of MPEG1 (32/44.1/48KHz), MPEG2(16/22.05/24KHz) and

MPEG2.5

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Serial Bit Stream Input Interface

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I

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Power Saving Mode Support

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Supports DAC Master Clock (256*fs / 384*fs for 16 / 24 bit DAC)

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Built-in Tone and Digital Equalizer Control

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Bass Booster Function

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3D Sound Effect Function

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Pause Function

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Fast Forward Function

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Available in 44-pin Plastic LQFP Package

Applications

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Portable MP3 Player (Flash Memory Type)

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PDA with MP3 Player

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Cellular Phone with MP3 Player

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Hard Disk MP3 Player (IDE Interface)

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CD MP3 Player

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Digital Voice Recorder