US Patent Issued to V-NOVA INTERNATIONAL on June 17 for "Residual filtering in signal enhancement coding" (British Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,335,508, issued on June 17, was assigned to V-NOVA INTERNATIONAL Ltd. (London).

"Residual filtering in signal enhancement coding" was invented by Guido Meardi (London) and Lorenzo Ciccarelli (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to aspects of the invention there is provided a method of encoding an input signal, the method comprising: producing a base encoded signal by feeding an encoder with a downsampled version of an input signal; producing a first residual signal by: obtaining a decoded version of the base encoded signal; and using a difference between the decoded version of the base encoded signal and the downsampled versi...