US Patent Issued to Cisco Technology on Nov. 25 for "Receiver side noise reduction and speech enhancement for PSTN callers" (American, British, Irish Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,483,657, issued on Nov. 25, was assigned to Cisco Technology Inc. (San Jose, Calif.).

"Receiver side noise reduction and speech enhancement for PSTN callers" was invented by Keith Griffin (County Galway, Ireland), Samer Lutfi Hijazi (San Jose, Calif.), Raul Alejandro Casas (Doylestown, Pa.) and Yusuf Ziya Isik (Edinburgh, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one embodiment, an illustrative method herein may comprise: receiving, at a receiver, an audio codec stream; determining, by the receiver, a length of time associated with a look-ahead buffer of the audio codec stream; inputting, by the receiver, the audio codec stream int...