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What are Unidirectional Microphones?

    http://www.learningaboutelectronics.com/Articles/What-are-unidirectional-microphones#:~:text=Unidirectional%20Microphones%20are%20microphones%20that%20only%20pick%20up,order%20to%20get%20good%20gain%20on%20the%20recording.
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Unidirectional Projection Loudspeaker | Speakers | Audio ...

    https://buildings.honeywell.com/us/en/products/by-category/voice-and-notification/speakers/unidirectional-projection-loudspeaker
    Unidirectional projection loudspeakers are high-performance, 10W or 20W public address speakers. They offer a broad frequency response range, low distortion, and a high sound pressure level for the accurate and intelligible broadcast of evacuation messages, and …

Omnidirectional microphone vs unidirectional: what's ...

    https://www.syncoaudio.com/blogs/news/omnidirectional-microphone-vs-unidirectional
    Unidirectional microphone Like “omni”, the prefix “uni” comes from Latin, but it means “one”. This type of microphone, also named as directional microphone, picks up sound from the top of the microphone. It is an approach to pick up sound from only one direction, very little from the sides, and almost none from the back.

What are Unidirectional Microphones?

    http://www.learningaboutelectronics.com/Articles/What-are-unidirectional-microphones
    Unidirectional Microphones are microphones that only pick up sound with high gain from a specific side or direction of the microphone. Thus, if a user is speaking into a unidirectional microphone, he must speak into correct side, normally called the voice side, of the microphone in order to get good gain on the recording.

Unidirectional vs. Omnidirectional Microphones - What's ...

    https://www.arkartech.net/blogs/blog/unidirectional-vs-omnidirectional-microphones
    A unidirectional microphone is mostly ideal as a recording microphone for vocal applications and live recordings. It is the perfect choice when the acoustics of the recording environment are good. A cardioid mic will discard audio from behind, ensuring that there is minimal effect from unpleasant audio. Basically, cardioids are ideal for:

ETS SM1-SDU Unidirectional Audio Surveillance Microphone

    https://www.a1securitycameras.com/ets-sm1-sdu.html
    Experience one of the market's best audio interface system with ETS SM1-SDU Covert Smoke Detector Style, Unidirectional Microphone. This microphone system comes with the SM1-SDU interface.It has a unidirectional pre-amplified microphone with the capacity to reduce side noises and looks exactly like a smoke detector, giving it a covert look.

These directional speakers throw sound in ... - Yanko …

    https://www.yankodesign.com/2019/10/17/these-directional-speakers-throw-sound-in-focused-beams-like-a-spotlight/
    A simple switch allows you to turn the unidirectional speaker into an omnidirectional one. A second audio driver within the SRAY lets it work like a regular speaker, throwing sound in all directions and allowing everyone to hear what’s playing on your phone, the radio, or any device connected to it.

unidirectional vs omnidirectional mic - Audio - Linus Tech ...

    https://linustechtips.com/topic/357883-unidirectional-vs-omnidirectional-mic/
    uni directional will pick you up more and cut out background noise but will be less sensitive omni will pick up everything and be more sensitive so which is better having a more sensetive mic and some background noise or a less sensetive mic and very little or no background noise? ShadowCaptain Member 26.3k 453 Posted April 30, 2015

Unidirectional MEMS microphone - Q&A - Audio - EngineerZone

    https://ez.analog.com/audio/f/q-a/4178/unidirectional-mems-microphone
    ADIApproved on Dec 23, 2012 9:01 PM The change in frequency response when switching from omnidirectional to unidirectional is an inherent part of the directional processing. The directional response of a microphone will color its frequency response; this is typically most noticeable at the low frequencies.

Directional Audio Cables - myth or reality? - Progressive ...

    http://www.progarchives.com/forum/forum_posts.asp?TID=38655
    The two individual wires of the cable that carry the signal is not unidirectional. What makes directional speaker cable directional is the screen (or shield or braid depending on which terminology you prefer). To reduce noise, this is normally earthed at the source end. Earthing both ends can lead to an earth-loop which may induce mains-hum.

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