“dynamic noise suppressor”的概念、定义、翻译、参考文献-科学参考

单词	dynamic noise suppressor
释义	dynamic noise suppressor [dī¦nam·ik `nȯiz sǝ´pres·ǝr] ^{ENGINEERING ACOUSTICS} An audio-frequency filter circuit that automatically adjusts its band-pass limits according to signal level, generally by means of reactance tubes; at low signal levels, when noise becomes more noticeable, the circuit reduces the low-frequency response and sometimes also reduces the high-frequency response.
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