This paper gives a brief description of the design principles of a PCM multiplex terminal for fibre-optic communication, namely, speech channel, timing, synchronization, coding decoding and format.

本文扼要的介绍了脉冲编码传输设备的原理，其中包括有话路、定时、同步、编译码和帧结构。

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Mr Obama's speech was broadcast live by only one cable TV channel with limited reach.

奥巴马的演讲只通过一家有线电视频道在有限的范围内现场直播。

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The speech communication process as a whole includes seven elements-speaker, message, channel, listener, feedback, interference, and situation.

语言交流的过程，整体而言包括七个要素：演说者、信息、沟通途径、听众、反馈、外界干扰、和现场形态。

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But Mr Putin's opening campaign speech was broadcast live by one channel and dominated news bulletins for the rest of the day on the main networks.

BBC: The power of publicity

Bernanke's lieutenant at the Fed, Donald Kohn seemed to channel his boss in a speech last week.

FORBES

And, as Twitter is the best platform for this new marketing genre, Twitter has also become the channel for the new motivational micro-speech.

FORBES: The Peculiar Twitter Tactics of Social Media Influencers