US Patent Issued to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE on March 31 for "Method and apparatus for encoding and decoding audio signal using complex polar quantizer" (South Korean Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,241, issued on March 31, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Method and apparatus for encoding and decoding audio signal using complex polar quantizer" was invented by Byeong Ho Cho (Daejeon, South Korea), Seung Kwon Beack (Daejeon, South Korea), Jong Mo Sung (Daejeon, South Korea), Tae Jin Lee (Daejeon, South Korea), Woo Taek Lim (Daejeon, South Korea) and In Seon Jang (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A complex number quantization-based audio signal encoding method may comprise: estimating a scale factor for each subband of an input audio signal; perform...