ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,159, issued on July 7, was assigned to DOLBY INTERNATIONAL AB (Dublin).
"Harmonic transposition in an audio coding method and system" was invented by Per Ekstrand (Saltsjobaden, Sweden) and Lars Villemoes (Jarfalla, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to transposing signals in time and/or frequency and in particular to coding of audio signals. More particular, the present invention relates to high frequency reconstruction (HFR) methods including a frequency domain harmonic transposer. A method and system for generating a transposed output signal from an input signal using a transposition factor T is des...