In the client, before transmitting the request to the server.
客户端,请求发送给服务器之前。
Well, before transmitting the voice, PCM first converts voice into pulse signals, then changes the pulse signals into digital signals.
首先把声音变成脉冲信号,再把脉冲信号变成数字信号进行转输。
Something further must be done to the amplified signals before they can be sent to the transmitting antenna.
对于放大了的信号,必须作进一步的处理后,才能把它们馈送到发射天线上去。
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