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为了最佳利用给定的传输信道的容量,在DAB中,要由许多数据压缩的声音节目和不同数量的数据业务,构成一个复合信号,然后再经相应的处理进行传送。
In order to make best use of the capacity of a given transmission channel, DAB consists of a number of data compressed audio programs and different amounts of data traffic to form a composite signal, which is then processed accordingly.