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Cirrus Logic Inc. is a fabless semiconductor supplier, specializes in analog, mixed-signal, and audio DSP integrated circuits (ICs). As of 2015 Cirrus Logic has its headquarters in Austin, Texas. The company's audio processors and audio converters feature in many professional audio and consumer entertainment products, including smartphones, tablets, portable media players, automotive entertainment systems, home-theater receivers, televisions and docking stations. Cirrus Logic's analog mixed-signal converter chips are also used in a wide variety of energy-related applications, including its new line of LED controllers for the incandescent light-bulb replacement market, as well as energy-measurement chips for applications such as digital utility meters.