US Patent 9024166 Preventing subtractive track separation
Patent 9024166 was granted and assigned to Harmonix on May, 2015 by the United States Patent and Trademark Office.
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Disclosed are techniques for preventing extraction of original audio tracks from a song. The techniques are executed on a game platform and involve providing a first and second audio track representing parts of a musical composition, mixing the first audio track and the second audio track to provide a mixed audio track, generating an audio modification data comprising a series of substantially random audio modifiers, and then modifying, before playback, the mixed audio track based on the audio modification data to provide a modified mixed audio track, such that subtracting the second audio track from the modified mixed audio track produces a third audio track with an audibly detectable deviation from the first audio track.
US Patent 09024166 Preventing subtractive track separation US Patent 9024166 Preventing subtractive track separation
US Patent 09024166 Preventing subtractive track separation
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