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Audio projection : directional sound and its …
https://dr.ntu.edu.sg/bitstream/10220/7114/1/SPM_Audio%20Projection_GWS_double_column.pdf
onto an ultrasonic carrier and projecting the modulated signal via special types of ultrasonic emitters to generate the parametric array through the air, in such a way that audible sound can travel in a column of sound beams. This latter group of loudspeakers is commonly called the parametric (or ultrasonic) loudspeakers.
Audio Projection | Request PDF - ResearchGate
https://www.researchgate.net/publication/224206045_Audio_Projection
Wearable projector displays image on wearer's body (Rakkolainen et al. 2015) 2. ... Ultrasonic processing of the audio signal may include square root …
Audio Projection | IEEE Journals & Magazine | IEEE Xplore
https://ieeexplore.ieee.org/document/5670618
Audio Projection Abstract: The parametric loudspeaker provides an effective means of projecting sound in a highly directional manner without using large loudspeaker arrays to form sharp directional beams. It can be augmented with conventional loudspeakers to create a more immersive audio soundscape.
Directional Speakers - Ultrasonic Audio Technologies
https://ultrasonic-audio.com/
The Acouspade-XLS, is the biggest speaker of the Acouspade directional speaker series It uses an external amplifier, which makes it more suitable for installations where long cable lengths are required. The speaker panel is divided in two sections (Left and Right) emitting the left and right audio channel respectively. It is the only directional speaker on the market that offers a stereo …
putting sound where you want it - Soundlazer
https://www.soundlazer.com/
A focused speaker is a device that generates mid to high-frequency audio in a narrow beam of soundwaves. Unlike low-frequency soundwaves, mid to high-frequency sound can be focused almost like a laser beam. These waves travel at long distances but are loudest at the center. They are only heard by those standing in front of the […]
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