S3 (gallop) is an abnormal heart sound. It is not usually present but may be heard after S2. It can be considered a normal sound in people under 40. But in those over 40, it can indicate heart ...

A heart murmur is an abnormal sound your heart makes when it beats, often sounding like a whooshing or swishing noise. You ...

This system leverages Google Teachable Machine to train an AI model to differentiate between normal and faulty engine sounds.

On the evening of July 28, 2023, an unusual event unfolded at JR Fukushima Station that highlighted the importance of vigilance in transportation safety. At around 5:35 PM, while the operators were ...

Or have a private conversation in public without other people hearing you? Our newly published research introduces a way to create audible enclaves – localized pockets of sound that are isolated from ...

Identify the symptoms and causes of tinnitus, a ringing in the ears. Find information on diagnosis, treatment options, and ...

PM, just as the train crew was disconnecting the Yamagata Shinkansen from the Tohoku Shinkansen. When the crew noticed an abnormal noise, they promptly halted operations to assess the situation. Such ...

The fourth heart sound (S4), also known as the “atrial gallop,” occurs just before S1 when the atria contract to force blood into the left ventricle. If the left ventricle is noncompliant ...