Producing highly directional sound from kHz ultrasonic transducers..For those who are unfamiliar with Parametric speakers, these are highly directional speakers that utilize an ultrasonic carrier wave ~Khz to .If you re familiar with the audio spotlight, then you now how very awesome narrow beam ultrasonic speaker devices can be. They can project a .I saw a youtube video of a guy who built his own directional speaker audio. from what i understand the speaker produces ultrasound waves like those used in .Ultrasonic Non directional Speaker I made new type of loud speaker using ultrasonic. parametric speaker is known as directional speaker. Old parametric .Parabolic speakers are designed to output sound that is highly directional, meaning it can only be heard when you are standing in a specific spot. These types of .This weeks Hacklet is all about the best ultrasonic projects on Finally we have [Alan Green] with Ultrasonic Directional Speaker V..The post explains the construction of a ultrasonic directive speaker system also called parametric speaker which may be used to transmit an audio frequency .
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This tiny Mhz FM transmitter bug measures just mm x mm in size and as you can see in the photos the biggest components are just the microphone and the battery..
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