Epson and Coding Technologies Shows Audio Decoder Chip

Epson S1V30220

Epson will be showing off its latest audio decoder chip, the S1V30220, at 3GSM in Barcelona. Through support for MPEG-4 AACPlus version 2 (Enhanced AACPlus) this chip can turn any mobile phone into an ace music player.

The S1V30220 is a single chip solution and supports AACPlus, AAC, MP3 and MIDI content. It also handles post-processing functions such as loudspeaker equalisation, digital volume control and stereo to mono down mix.

This chip also offers an MMC/SD Card interface and FAT file system, allowing for stand-alone audio decoding without the need for a host processor. A complete PC-based development/evaluation kit is available.

The actual donkey work for the incorporation of AACPlus into the S1V30220 was done by a Swedish company, Coding Technologies, which is typical of the kind of small company exhibiting at 3GSM 2006.

About Coding Technologies

Coding Technologies provides the best audio compression for mobile, broadcasting, and Internet. SBR(TM) (Spectral Band Replication) from Coding Technologies is a backward and forward compatible method to enhance the efficiency of any audio codec; putting the "PRO" in mp3PRO and the "Plus" in aacPlus. Parametric Stereo from Coding Technologies and Philips again significantly increases the efficiency of audio codecs for stereo signals at low bit rates. Products from Coding Technologies are fundamental enablers of open standards such as 3GPP, 3GPP2, MPEG, Digital Radio Mondiale, HD Radio, and the DVD Forum.

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