Software

Music emotion recognition method based on multifeature fusion

Software that can correlate musical changes in an audio recording of a song with perceived emotional content would be useful across the music industry, particularly in terms of cataloging music and developing music recommendation ...

Automotive

Breakthrough in faster-than-sound jet engines

Almost 75 years ago, U.S. Air Force pilot Chuck Yeager became the first person to fly faster than the speed of sound. Engineers have been pushing the boundaries of ultrafast flight ever since, attaining speeds most of us ...

Engineering

Pinpointing the sound of rock failure

If a rock deep in the subsurface cracks and fails under pressure and temperature change, can the sound it makes be heard and identified? Finding the specific sound a rock makes when it cracks and breaks seems impossible when ...

Engineering

How eye imaging technology could help robots and cars see better

Even though robots don't have eyes with retinas, the key to helping them see and interact with the world more naturally and safely may rest in optical coherence tomography (OCT) machines commonly found in the offices of ophthalmologists.

Machine learning & AI

Artificial intelligence listens to the sound of healthy machines

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.

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Sound

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.

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