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A parametric array loudspeaker featuring a Langevin transducer, a circular aluminum plate, and composite polymer steps - ScienceDirect
How to Make Ultrasonic Directive Speaker Circuit | Homemade Circuit Projects
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Soundlazer "Snap" - The Directional Parametric Speaker by Richard Haberkern — Kickstarter
3G-3 Optimum Array Configuration for Parametric Ultrasound Loudspeakers Using Standard Emitters | Semantic Scholar
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Use of parametric speaker for older people with dementia in a residential care setting: A preliminary study of two cases - Yuko Nishiura, Minoru Hoshiyama, Yoko Konagaya, 2018
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Near-field characteristics of the parametric loudspeaker using ultrasonic transducers - ScienceDirect
Sensors | Free Full-Text | A Critical Step to Using a Parametric Array Loudspeaker in Mobile Devices
Signal modeling of the conditioning stage of a parametric array loudspeaker by statistical design of experiments - ScienceDirect
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An overview of directivity control methods of the parametric array loudspeaker | APSIPA Transactions on Signal and Information Processing | Cambridge Core
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Parametric Speaker Test - YouTube
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Handheld acoustic speaker disruptor | TechLink
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Applied Sciences | Free Full-Text | Experimental Evaluation of Distortion in Amplitude Modulation Techniques for Parametric Loudspeakers
