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如果你想一边通信一边通话而又不想用DSVD,那么 Rockwell公司的AudioSpan会是不错的选择。不过RockWell公司似乎较少推广它的AudioSpan技术。用Rockwell芯片的Modem生产商也很少在产品说明书上介绍其功能及用法。所以知道其用法的用户并不多。
If you want to talk while communicating without thinking about DSVD, Rockwell’s AudioSpan is a good choice. However, RockWell seems to promote its AudioSpan technology less. Modem manufacturers using Rockwell chips rarely describe their functions and usage in product specifications. So do not know how to use its users.