Audio frequency outputs are typically the two RCA sockets used for left and right stereo. The common headphone jack is also audio frequency output. See analog input. THIS DEFINITION IS FOR ...

Sound vibrations leave the singer's mouth. The higher the pitch of the sound, the higher the frequency, or number of vibrations in a given amount of time. The sound enters the microphone ...

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 ...