The directional of microphone: the unidirectional and the noise canceling microphone have vents at the bottom; oppositely, the omnidirectional microphone is completely sealed.
The directional of microphone: the unidirectional and the noise canceling microphone have vents at the bottom; oppositely, the omnidirectional microphone is completely sealed.
麦克风指向性:麦克风背有有气孔的,就是有指向性或抗噪型的麦克风,完全密封的,就是全指向的麦克风.