Demands for different types of microphones

by:Winbridge      2020-12-31
Different point type microphones use requirement is as follows: 1, the use of omnidirectional microphones: use between sound source and microphones, without fixed direction for microphones accepted in all directions, the sensitivity of all equal, then just before the microphones sound hole of the shell open a hole. Handle such as phone, mobile phone, hands-free headset and so on. 2, the use of one-way microphones: use between sound source and microphones have a fixed direction, require microphones accepted in all directions, the sensitivity of different cases, the Angle between the source and microphones microphones has the highest sensitivity of 0 °, 180 ° at the minimum, at this time must be in microphones before and after the sound hole, each open a hole on the shell. Such as the car phone, etc. 3, the use of de-noising microphones: use between sound source and microphones have a fixed direction, require microphones accepted in all directions, the sensitivity of different cases, the source and the Angle between the microphones to 0 ° and 180 ° microphones has the highest sensitivity, 90 ° and 270 ° at the lowest, at this time must be in microphones before and after the sound hole, each open a hole on the shell. Such as the car phone, etc. 4, in other conditions under the condition of same omnidirectional microphones has the highest sensitivity, the sensitivity of the one-way microphones is low, about less than omnidirectional microphones about 6 - 8 db, and the sensitivity of de-noising microphones, lowest about below about 10 - omnidirectional microphones - About 12 db.
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