1. 1) 総務省4K放送・8K放送情報サイト,http://www.soumu.go.jp/menu_seisaku/ictseisaku/housou_suishin/4k8k_suishin.html
2. 2) Recommendation ITU-R BT.2020-2: "Parameter values for ultra-high definition television systems for production and international programme exchange" (2015)
3. 3) Recommendation ITU-R BS.2051-2: "Advanced sound system for programme production" (2018)
4. 4) ISO/IEC 14496-3: "Information technology --Coding of audio-visual objects-- Part3: Audio" (2009)
5. 5) Report ITU-R BS.2159-8: "Multichannel sound technology in home and broadcasting applications" (2019)