在任何存储信息的系统中，噪声都是一个限制因素，因为它限制了信噪比，从而限制了存储数据的总量。这适用于录音和重放领域，以及任何信息存储系统

Noise is a limiting factor in any system which stores information because it limits the signal-to-noise ratio and hence the total quantity of stored data. This applies in the field of sound recording and reproducing, as well as in any information storage system