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今天人类在资料品质、储存、传输、价格的要求下,信号的处理朝着数位化的方向走是必然的趋势。因为唯有经过数位化的信号才能避免干扰提高品质,而且缩小产品体积提高可携性。另外信号数位化的好处就是便于作任何的处理,包含编辑、修改及储存。而另一方面由于信号在数位化后的资料非常大(尤其在专业水准时),对于资料储存及传输上造成瓶颈,相对的压缩及解压缩的技
Today, human beings in data quality, storage, transmission, price requirements, the signal processing toward the digital direction is an inevitable trend. Because only through digital signals to avoid interference to improve quality, but also to reduce the size of the product to improve portability. In addition the benefits of digital signal is easy to make any processing, including editing, modification and storage. On the other hand, the signal is very large after the digitization (especially in professional standards), the bottleneck caused by the storage and transmission of data, the relative compression and decompression technology