In this paper finally designs a really voice communication system, including three parts: Acoustics Echo Cancellation (AEC), Speech Enhancement and automatic gain control (AGC).

本文最终设计了一个真实的语音通信系统，包括声学回声消除(aec)、语音增强和自动增益控制(agc)三部分。

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Finally, as I'll discuss more in my speech to Parliament tomorrow, this deepening of our alliance sends a clear message of our commitment to this region, a commitment that is enduring and unwavering.

WHITEHOUSE: President Obama��s News Conference with Prime Minister Gillard of Australia | The White House