| 摘要 |
<p>The invention is related to a single anti-noise pickup, included angle of direction of front and back sound entering holes of which is between 0° and 135°, and a combined anti-noise pickup which combines several said single anti-noise pickups together. Anti-noise ability of the single anti-noise pickup or the combined anti-noise pickup is enhanced more than one times than that of a single anti-noise pickup having a front sound entering hole on a front cover and a back sound entering hole on a back cover. The single anti-noise pickup or the combined anti-noise pickup has a higher SNR performance even in a high noise environment, and keeps timbre clarity.</p> |
