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Oki touts 'smallest' audio DAC LSI

Posted: 22 Dec 2006 ?? ?Print Version ?Bookmark and Share

Keywords:DAC? LSI? stereo? Oki?

Oki's ML2611 audio LSI

Oki Electric Industry Co. Ltd has announced sample shipments of its audio LSI, the ML2611, featuring stereo-playback capable DAC, 3D surround functionality and speaker ampall in a single chip.

The LSI touts the world's smallest package size (3-by-3.2mm) for a 16bit audio DAC and is equipped with an authentic acoustic sound used in a variety of portable equipment. Mass-production quantities of this new device will ship beginning June 2007.

Today's portable equipment such as mobile phones, portable navigation devices (PND) and electronic dictionaries are being equipped with music playback and TV functions. However, it is difficult to play back low frequency sounds authentically in these devices because of the limited space. To address the problem, Oki designed the ML2611 LSI to improve sound quality in portable equipment.

This device incorporates a stereo DAC, a stereo speaker amp, a stereo headphone amp and the audio enhancement technology SRS WOW from SRS Labs Inc., which has already been adopted in a variety of MP3 players.

"Previously this level of acoustic technology was implemented using DSP or a CPU. With ML2611, Oki has incorporated SRS WOW, an authentic audio enhancement technology, in a single chip, while maintaining low-power consumption. The company was able to do this with System C technology, in which Oki has advanced skills," said Masahiko Morioka, president of silicon solutions company at Oki Electric Industry. "We believe our new LSI will enable engineers to easily add low power consumption accurate acoustic sound without developing additional software."

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