نتایج جستجو برای: speaker
تعداد نتایج: 22219 فیلتر نتایج به سال:
Journal:
:ITM web of conferences
2023
One of the most significant ways that people convey information is through sound. The production directed sound dramatically increasing in terms personal privacy contemporary culture. Ultrasonic Unidirectional Speaker project aims to design and develop a compact, lightweight, energy-efficient speaker system can deliver specific direction using ultrasonic waves. utilises non-linear properties ai...
Journal:
:The Journal of the Acoustical Society of America
2019
Journal:
:Acoustical Science and Technology
2007
Journal:
:IEICE Transactions on Information and Systems
2010
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