Audio signal processing and classification have become increasingly important in various applications, from environmental sound recognition to speech and music analysis. Recent advancements in ...

In the late 1930s broadcasters, motion picture companies, and the telephone industry all got together to hammer out a standard that could be used for all audio signal measurement needs.

The frequency of this signal is many times greater than the frequency of the audio wave. This signal will "carry" the audio signal over the air. An antenna picks up the the radio wave. If the ...