US Patent Issued to Massachusetts Institute of Technology on Nov. 18 for "Method and system for data-hiding within audio transmissions" (Massachusetts Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,902, issued on Nov. 18, was assigned to Massachusetts Institute of Technology (Cambridge, Mass.).

"Method and system for data-hiding within audio transmissions" was invented by Ishwarya Ananthabhotla (Cambridge, Mass.) and Neil Gershenfeld (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for hiding data within cover audio uses a set of sample codebook waveforms that are each assigned a unique representative digit value. A hidden data sequence representing the data is formed from the waveforms by concatenation of the waveforms assigned to the digit values of the data. The sequence is superimposed upon segments of the cover au...