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“丽音”是指在现有模拟电视系统中采用的一种全数字化的附加声频系统,采用的是HICAM-728技术(准瞬时压扩声音复用),中文译为“丽音”。
“Nation” refers to an all-digital, additional audio system used in existing analog television systems. It uses the HICAM-728 technology (quasi-instantaneous companding sound multiplexing) and is translated into “Namto” in Chinese.