The JPEG format for encoding still images was standardized during the 1980s and 1990s. It uses the Discrete Cosine Transform (DCT), which was developed at the end of the 1970s, and Huffman encoding.
To compress 8K/119.88-Hz (hereafter simplified to 120-Hz) video and 22.2 ch audio, we have been developing an 8K/120-Hz encoder since FY 2017. Using this encoder, we conducted live transmission ...
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