Apple’s iPhone Chipmaker Audience Inc plans to raise $75 million in an Initial Public Offering. Investment Banks such as JP Morgan, Credit Suisse, Deutsche Bank are among the underwriters.Aims to list shares under symbol “ADNC”. Audience Inc based Mountain View Calif stated in a regulatory filing. Audience Inc has not revealed how many share will it float and its price per share. Audience began shipping chips in 2008, attracting Apple, Samsung, LG Electronics Inc. and HTC Corp. Investments Companies New Enterprise Associates Inc., Vulcan Capital Venture Capital and Tallwood Venture Capital own much of the company.