Free Shipping Available. Buy on eBay. Money Back Guarantee! We've got your back with eBay money-back guarantee. Enjoy Great Deals you can trust. A bidirectional microphone, also known as a figure-8 microphone, is a type of microphone that picks up sound from two opposite directions, typically from the front and the back of the microphone.
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Bidirectional microphones (also called figure-of-eight microphones) are microphones that pick up sound well, or with high sensitivity, from the front and back but poorly, or with low sensitivity, from the sides. The above illustration shows a bidirectional microphone sound pick-up pattern. A bidirectional microphone has a figure-8 polar/pickup pattern. It is equally sensitive to sounds from the front and back while rejecting sounds from its sides (ring of silence). The sound captured from the front side capture is opposite in polarity to the sound captured to the rear side. Bi-Directional (Figure-Eight): Bi-directional microphones pick up sound in two directions; in front of and behind the microphone, with rejection from both sides. The front and back sensitivity make them idea for stereo recording and for capturing two or more instruments. Figure 3 - Bi-directional microphones avoid picking up sound from the sides Below, is a list of the best 10 bidirectional microphones you should consider buying! 1. MXL Mics 770 MXL Mics 770 Cardioid Condenser Microphone Multi-purpose condenser microphone Excellent for vocals, pianos, stringed instruments, and percussion Balanced bass response with high end clarity Low frequency roll-off to reduce unwanted rumble
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Bidirectional Microphone This type of microphone is based on the pressure gradient principle. The sound can reach both sides of the membrane. The microphone provides a signal whenever the sound is different on the front and the backside of the diaphragm. Bi-Directional Polar Pattern. The bi-directional polar pattern picks up sound equally from both the front and back whilst rejecting sound from either side of the mic. It is also known as a 'figure eight' pattern. This pattern is ideal if you use a single mic for face-to-face interviews. Directionality is a microphones sensitivity to sound relative to the direction or angle from which the sound arrives. There are a number of different directional patterns available, and these are plotted in graphs known as polar patterns. The main microphone polar patterns are omnidirectional, cardioid, hypercardioid, supercardioid (cannon) and bi-directional (figure 8). Each of these polar patterns is represented by a polar diagram showing the pickup area of the microphone. The different types of directionality There are different types of polar patterns.
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Bi-Directional microphones pick up sound from only two directions; from behind and in front of the microphone. This type of directionality is effective for picking up sound from both an audience and a speaker. In this video I explain what a polar pattern is, demonstrate the differences, show how to read the polar pattern on a specification sheet, and let you know w.
The three most common polar patterns are cardioid, omnidirectional, and bi-directional (aka "figure-8"). Cardioid microphones are unidirectional. They pick up significantly more sound from. An omni-directional microphone, as its name suggests, picks up sound equally from all directions. This is particularly useful when you want to capture the ambience of the space around the microphone.. The other main type of pickup pattern is the figure-of-eight or bi-directional pattern, in which sound is picked up equally from the front and.
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A unidirectional mic is most sensitive from sound coming from one direction (with one notable exception: the bidirectional mic, but more about that to come). A 'uni' mic picks up less ambient noise than an omni type and is less susceptible to feedback when used with a sound system. There are several different types: Cardioid polar pattern Understanding & Using Directional Microphones. Many of us do the vast majority of our recordings using mics with a cardioid polar pattern, but alternative patterns can give radically different — and sometimes much better — results. Hugh Robjohns explains the differences between these designs and the applications to which they're suited.
