数字广播是指通过数字传播方式传送或者接收无线电频谱。
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在数字广播系统中，模拟广播信号通过数字化，压缩成诸如MP2等格式。然后通过数字模块进行传送。
根据传送方式可以分为单通道和双通道。[1]
参考资料
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