Recent Patents in Signal Processing (April 2012) - Audio Signal Processing

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Recent Patents in Signal Processing (April 2012) - Audio Signal Processing

For our April 2012 edition, we focus on recent patents in music signal processing. These range from inventions in music classification, music-based authentication, and noise cancellation.

If you have an interesting patent to share when we next feature patents on audio signal processing, or if you are especially interested in a signal processing research field that you would want to be highlighted in this section, please send email to Shantanu Rane (rane AT merl DOT com).

US 8,134,062, "Apparatus and method for generating music using bio-signal", by J. -P. Kim and S. -T. Jung, filed 4 February 2010, issued 13 March 2012, assigned to Samsung Electronics Co., Ltd (Korea).

US 8,099,770, "Apparatus, and an associated methodology, for facilitating authentication using a digital music authentication token", by B. Makkinejad, filed 30 January 2008, issued 17 January 2012, assigned to Hewlett-Packard Development Company, L.P. (Houston, TX).

US 8,013,230, "Method for music structure analysis", by J. Eggink, filed 21 October 2008, issued 6 September 2011, assigned to Sony Corporation (Tokyo, JP) .

US 7,964,783, "System and method for evolving music tracks", by M. Rosario, filed 2 June 2008, issued 21 June 2011, assigned to University of Central Florida Research Foundation, Inc. (Orlando, FL).

US 7,923,623, "Electric instrument music control device with multi-axis position sensors", by D. Beaty, filed 17 October 2008, issued 12 April 2011, assigned to D. Beaty (Mesa, AZ).

US 7,858,868, "Method for classifying music using Gish distance values", by T. Kemp and M. Tolos, filed 8 July 2005, issued 28 December 2010, assigned to Sony Deutschland GmbH (Cologne, Germany) .

US 8,145,478, "Apparatus and method for widening audio signal band", by K. Iwata, filed 12 May 2006, issued 27 March 2012, assigned to Panasonic Corporation (Osaka, Japan) .

US 8,139,780, "Using ray tracing for real time audio synthesis", by R. Shearer, filed 20 March 2007, issued 20 March 2012, assigned to International Business Machines Corporation (Armonk, NY).

US 8,139,773, "Method and an apparatus for decoding an audio signal", by H. Oh and Y. Jung, filed 28 January 2010, issued 20 March 2012, assigned to LG Electronics Inc. (Seoul, Korea).

US 8,135,140,"System for active noise control with audio signal compensation", by V. Shridhar and D. Wertz, filed 20 November 2008, issued 13 March 2012, assigned to Harman International Industries, Incorporated (Northridge, CA).

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