Datasheet > PT8405

PT8405

更新时间： 2024-11-29 06:05:43

品牌	Logo	应用领域
普诚科技 - PTC		解码器编码器
页数	文件大小	规格书
3页	157K
描述
MP3/WMA Decoder and MP3 Encoder IC

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中文翻译

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数据手册

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PT8405 数据手册

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

MP3/WMA Decoder and MP3 Encoder IC

PT8405

DESCRIPTION

The PT8405 is a single chip MPEG audio encoder/decoder capable of decoding all layers compressed

elementary streams, as specified in MPEG 1 and MPEG 2 ISO standards, including the so called MP3.

Enhance with time-stretch and pitch-shift functions, this chip is suitable for language learning

application. Another decoding function that PT8405 support is the Window Media Audio or WMA by

Microsoft.

With external AD converter interface or build-in S/PDIF interface, it can also compress incoming digital

signal into MPEG1/2 layer 3 format, so called MP3.

FEATURES

• Decoder supports all layer and all the sampling frequency of MPEG1 (32/44.1/48KHz), MPEG2

(16/22.05/24KHz) and MPEG 2.5.

• Support Microsoft Window Media Audio V2/V7/V8/V9 format for decoding.

• Support MPEG layer 3 all sampling frequency for encoding.

• Time-stretch and pitch-shift functions for various applications, including language learning

• Serial/parallel bit stream input interface

• Parallel bit stream output interface

• Build-in S/PDIF for MP3 encoding input

• DAC master clock (256*fs¹/ 384*fs for 16 / 24 bit DAC) is supported

• Spectrum analyzer output register for spectrum graphic display

• Build-in volume and digital equalizer control

• Low operating voltage, 2.5V.

• 44-pin plastic LQFP

APPLICATIONS

• Portable MP3/WMA player

• Language learning machine

• PDA, Electronic dictionary

• All other MP3/WMA applications

¹fs: sampling frequency

PT8405 V1.1

- 1 -

March, 2006

12 3

中文翻译

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