所以对变换系数量化的 处理办法一般分为分带编码（Zonal coding）和阈值编码（Threshold coding）两 种。 4、熵编码 熵编码是一种基于量化系数统计特性所进行的无失真编码。
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The threshold management system primarily drives the reporting subsystem by enabling report color coding for critical and warning thresholds.
阈值管理系统主要由驱动报告子系统使报告彩色编码的关键和警告阈值。
Besides the high coding efficiency, the improved block-based adaptive threshold wavelet embedded coding algorithm preserves the properties of the SPECK and has high coding efficiency.
改进的分块自适应阈值算法不仅保留了原算法的优点，而且具有较高的编码效率。
Because of considering the temporal masking effects to set up a threshold and the valid hop size of transient points, this method is very suitable for perceptual audio coding.
由于考虑了时域掩蔽效应来设置检测门限和有效瞬态点间隔，非常适用于感觉音频编码。
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