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最近发表一种新的方法，以兼容方式把隐含的数据加到ＣＤ信号上。此方法是基于减抖动的噪声成型量化，并提供一固定比特率的隐含数据信道。现介绍产生较高平均值的可变比特率的自适应扩展此方法的过程。
Recently, a new method was released to add implicit data to a CD signal in a compatible manner. This method is based on jitter-less noise shaping quantization and provides a fixed-bit-rate implied data channel. The process of adaptively extending this method to introduce variable bit rates that produce higher averages is now described.