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Surface acoustic wave sensors are a class of microelectromechanical systems (MEMS) which rely on the modulation of surface acoustic waves to sense a physical phenomenon. The sensor transduces an input electrical signal into a mechanical wave which, unlike an electrical signal, can be easily influenced by physical phenomena.
Soundwave is a data collection company founded in 2012. It collected data on the music users listened to and their location in real-time. Users could subscribe to groups and locations to view and listen to relevant and trending songs. Soundwave was launched on June 20, 2013. Soundwave was acquired by Spotify in 2016.
Wireless power transfer (WPT; also wireless energy transmission or WET) is the transmission of electrical energy without wires as a physical link. In a wireless power transmission system, an electrically powered transmitter device generates a time-varying electromagnetic field that transmits power across space to a receiver device; the receiver ...
The Harman Kardon AVR 245 audio/video receiver is the large unit on the bottom. On top of it is a Harman/Kardon DVD player and Samsung set-top box.. An audio/video receiver (AVR) or a stereo receiver is a consumer electronics component used in a home theater, home audio, or hi-fi system.
Soundwave or Sound Wave may refer to: Sound, a vibration that propagates as an acoustic wave; Acoustic wave, the wave which carries sound; Festivals.
The receiver can use a 3.5 mm headphone jack to plug into most audio outputs. The headphones emit sound from up to 10 metres (33 ft) away from the receiver using Bluetooth 2.0 with Enhanced Data Rate (EDR) wireless technology. It is also compatible with most music players but can also be connected via an external Bluetooth source.
A new type of laser microphone is a device that uses a laser beam and smoke or vapor to detect sound vibrations in free air. On August 25, 2009, U.S. patent 7,580,533 issued for a Particulate Flow Detection Microphone based on a laser-photocell pair with a moving stream of smoke or vapor in the laser beam's path.
Signal design for good correlation: for wireless communication, cryptography, and radar. Cambridge University Press, 2005. Jayant, Nuggehally S and Noll, Peter. Digital coding of waveforms: principles and applications to speech and video. Englewood Cliffs, NJ, 1984. M. Soltanalian. Signal Design for Active Sensing and Communications. Uppsala ...