| 单词 | echo suppressor |
| 释义 | echo suppressor A voice-operated device designed to suppress echo in a two-way circuit by shutting off the return path to prevent echo signals propagating back to the speaker. See also attenuation, circuit, echo, echo canceller, and propagation. 74570c05.qxd 9/11/07 12:20 PM Page 160 |
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