https://patentbrief.org/company/harman-international-industries-canada-ltd Plain-English explanations of patents assigned to Harman International Industries Canada Ltd, newest first. en-us Mon, 13 Jul 2026 12:25:28 GMT https://patentbrief.org/patent/us/8168877/musical-harmony-generation-from-polyphonic-audio-signals This 2012 patent describes a system that listens to music and automatically generates harmony notes to accompany a melody, even detecting and ignoring accidental strums on stringed instruments. Tue, 01 May 2012 00:00:00 GMT https://patentbrief.org/patent/us/8168877/musical-harmony-generation-from-polyphonic-audio-signals