A loud sound has a large amplitude, a high pitched sound has a high frequency. Musicians and scientists record and analyse sounds using wave traces. Sometimes you can see the source of the sound ...

There is a high-pitched shriek and as the ... You can see commuters wince at the noise levels. "Eeeeeeeeeeeeee." It is the loudest section of track on what has become London's noisiest Tube ...

Exposure to loud sounds or high frequency sounds are common causes of ear damage in younger people. High frequency hearing loss causes problems with hearing high-pitched sounds. It can also lead ...