HT1463 single directional microphone head, high sensitivity anchor uses microphone core

1463 single directional microphone head, high sensitivity anchor uses microphone core
Model: HT-1463UL34
Type: Electret microphone (single directional microphone head)
Directionality: Single directional microphone head
Signal to noise ratio: 75dB
Sensitivity: -34 ± 2dB
Output impedance: 2.2K Ω
Specification size: 14 * 6.3 (mm)
Frequency response: 100-16000Hz
Current consumption: 500 (Max) μ A
Maximum sound pressure level: 110dB

描述

Unidirectional microphone is an audio device with specific directionality, and its design principle is mainly based on pressure gradient.
Through the small hole behind the microphone cavity, the diaphragm is subjected to pressure from both sides, and due to the pressure difference in different directions, the microphone has directionality.
This type of microphone is mainly sensitive to sound from one direction, which helps to better capture personal voice without being disturbed by environmental noise.
Unidirectional microphones are mainly divided into heart-shaped directionality and supercardioid directionality. The heart shape points towards the range of the microphone, resembling a heart, hence the name.
Its non radiative zone is the deepest non reactive zone in the 180 degree opposite direction, making it the least likely to pick up sound signals from behind the sound head.
This makes the heart-shaped microphone have a lower impact value in situations where there is a monitoring speaker behind the sound head for playback, such as stage performances.
The supercardioid directional microphone has higher sensitivity and listening frequency, making it suitable for use in recording studios, radio stations, live performances, and other occasions.
However, unidirectional microphones also have some drawbacks,
Due to its ability to receive sound from only one direction, if the user’s movements or position are unstable, there may be situations where the sound is not coherent or interfered with. In addition, unidirectional microphones cannot receive surround sound, so performance may be poor in scenes that require simulation of 3D or spatial sound effects.

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