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Stereo Mic Thinkpad Active Noise Canceling Headphones Disclosure Number: IPCOM000018731D
Original Publication Date: 2003-Aug-04
Included in the Prior Art Database: 2003-Aug-04

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This article describes a process to implement an inexpensive active noise cancelling headphone product, ideal for mobile customers of Thinkpad and NetVista branded PC's which implement the AD1981B AC'97 audio codec.