| 单词 |
active sound cancellation |
| 释义 |
active sound cancellation active sound cancellation[¦ak·tiv ′saund ‚kan·sə‚lā·shən] (acoustics) Any technique in which a control sound source creates sound in a selected region equal in amplitude and opposite in phase to sound that would otherwise exist, but this sound cancellation cannot be maintained in the presence of system changes unless there is also a feedback mechanism. |
| 随便看 |
- nikita shalaurov
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