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Directionality

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The basis of the term directionality is direction, a word that comes from the union in Latin of three very distinct parts. In this way, we can say that the root of the term in question is formed by the union of the prefix gave- which means "multiple divergence" of the verb regere which is synonymous with "rule" and suffix -tion That is the action or the effect of something.

Directional is something that can be oriented or directed towards a direction. This quality is known as directionality , a concept that is associated with the idea of ​​direction (the path that a body makes when moving, the tendency towards a certain goal or the guide that allows to direct someone or something).

In this sense we can expose that, although there are many elements that are characterized by this quality, one of the most studied forms of directionality is that produced in writing. And it is important that from an early age people are taught to make a correct direction of the spelling.

Precisely in this sense, the graphologists, who are responsible for studying the particularities of the letter of an individual to determine the psychological qualities of it, put a lot of interest and dedication in the analysis of the directionality of it. And it can give you very exact clues to discover the hallmarks of that one.

In addition to all this, it must also be established that there is also talk of directionality to talk about what communication is. Thus, for example, it is often said that a communication is when there is both a sender and a receiver using the same channel and these messages are transmitted not at the same time but first one and then another. An example of this type of communication is that given through the use of walkie talkies.

The concept of directionality is widely used in relation to microphones , which are devices that amplify sound waves. In this way, we can find the variable directionality microphone , whose potentiometer is what allows the choice of address.

These microphones can be omnidirectional , bidirectional , cardioids , supercardioids or hypercardioids .

The omnidirectional microphones They are in a position to capture any sound beyond the direction they come from, as they consistently maintain their responsive responsiveness.

He bi-directional microphone , on the other hand, it can only capture the sound waves it receives on its front and on its back side. This means that the sounds that arrive on the sides are not recorded.

The cardioid microphones , on the other hand, they are unidirectional microphones that have a better response to the waves it picks up on its forehead, thanks to the shape of its diaphragm.

He supercardioid microphone It has a lower registration angle than cardioids, something that acts as a kind of filter for ambient noise.

Finally, a hypercardioid microphone It resembles the cardioid apparatus although, since its lobe in the front is narrower and its posterior side is less sensitive, it provides an altered response compared to the other type of device.

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