Consumer & Gadgets
In recent years, voice assistants such as Siri, Amazon Alexa, Google Assistant and Cortana have become increasingly popular. People in many countries worldwide communicate with these artificial intelligence (AI) agents on ...
Consumer & Gadgets
Imagine a world where you move around in your own personal sound bubble. You listen to your favorite tunes, play loud computer games, watch a movie or get navigation directions in your car—all without disturbing those around ...
Nov 12, 2020
1
463
Electronics & Semiconductors
MIT engineers have developed a paper-thin loudspeaker that can turn any surface into an active audio source.
Apr 26, 2022
4
818
Engineering
Ultrasound imaging is a safe and noninvasive window into the body's workings, providing clinicians with live images of a patient's internal organs. To capture these images, trained technicians manipulate ultrasound wands ...
Jul 28, 2022
1
210
Computer Sciences
A camera system developed by Carnegie Mellon University researchers can see sound vibrations with such precision and detail that it can reconstruct the music of a single instrument in a band or orchestra.
Jun 21, 2022
0
693
Engineering
Russia used a hypersonic missile against a Ukrainian arms depot in the western part of the country on March 18, 2022. That might sound scary, but the technology the Russians used is not particularly advanced. However, next-generation ...
Apr 18, 2022
0
83
Machine learning & AI
Sounds provide important information about how well a machine is running. ETH researchers have now developed a new machine learning method that automatically detects whether a machine is "healthy" or requires maintenance.
Feb 25, 2022
1
418
Machine learning & AI
You may not be able to teach an old dog new tricks, but Cornell researchers have found a way to train physical systems, ranging from computer speakers and lasers to simple electronic circuits, to perform machine-learning ...
Jan 26, 2022
0
326
Engineering
Sensors that monitor infrastructure, such as bridges or buildings, or are used in medical devices, such as prostheses for the deaf, require a constant supply of power. The energy for this usually comes from batteries, which ...
Jan 29, 2024
0
76
Engineering
What if a commercial audio speaker could function like an autozoom projector does for light, and you could deliver the sound people want where they want it?
Dec 8, 2020
0
15
Sound is a travelling wave which is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the range of hearing and of a level sufficiently strong to be heard, or the sensation stimulated in organs of hearing by such vibrations.
This text uses material from Wikipedia, licensed under CC BY-SA
