ES3986 - ESS

ES3986 Digital-Audio Processor

The ES3986 digital-audio processor chip is ESS Technology’s highly integrated, optimal-quality, and costeffective single-chip solution for the emerging digital-audio market. Its target applications include internet audio platforms, MP3 CD players in boom box and combination systems, portable MP3 CD player, etc. Based on the programmable multimedia processor .

Features

such as key control and echo. The chip also provides the voice-activated ADPCM codec for voice recording and language learning through MIC input. The ES3986 supports a variety of CD servos directly to provide the system solution of lower BOM cost and manufacturing flexibility. With its low system power consumption, the built-in antishock capabilities, and 16Mbit DRAM support, the ES3986 is very suitable for portable audio applications. Figure 1 shows a typical standalone system using a MP3 player, where the MP3 stream from a CD-ROM is passed to the ES3986, which parses the system layer and de.