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Audience, a Silicon Valley-based company that counts Microsoft co-founder Paul Allen (pictured) as a backer, has filed for an initial public offering.

In its IPO filing, the company stated its plans to raise $75 million in the offering.

In official documents filed today with the SEC, the company stated, “Our products enable a more consistent voice and audio experience, regardless of the use case or surrounding noise environment.”

Audience will trade on the NASDAQ; the company plans to use the stock ticker ADNC.

Audience has to date received $75 million in funding, the last of which came during a $15 million Series E. The company’s fifth and final round of institutional funding came from previous investors New Enterprise Associates, Tallwood Venture Capital, VentureTech Alliance and Vulcan Capital, the investment vehicle of Paul Allen.

Allen’s other investments include DreamWorks SKG, Oxygen Media and more than two dozen other technology, media and content companies. Altogether, his investment portfolio is a multibillion dollar stable.

Audience was founded way back in 2000 but did not publicly launch any products until 2008, when it debuted its first DSP voice processor at the CTIA Wireless trade show.

To date, the company claims to have sold more than 135 million mobile and tablet processors. Audience’s earSmart voice processors are use in more than 50 mobile device models from manufacturers such as Samsung and HTC and carriers such as AT&T, Docomo and SKT.

Audience claimed $47.9 million in revenue for 2012 and $79.9 million for the first three quarters of 2011.

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