For an oscillating or varying current, frequency is the number of complete cycles per second in alternating current direction. The standard unit of frequency is hertz, abbreviated Hz. Harmonic Secondary and less distant tones which accompany any principle tone, such as the octave, the twelfth, the fifteenth, and the seventeenth. Java Java is a programming language expressly designed for use in the distributed environment of the Internet. It can also be used to build small application modules or applets for use as part of a Web page.
Applets make it possible for a Web page user to interact with the page.
Octave The eight note distance between a single note and its corresponding note in a higher octave. A note in a higher octave has twice the frequency of the lower note. This is the property of sound that varies with change in the frequency of vibration. A waveform of a single constant frequency and amplitude that continues in a repeating cyclical pattern. The rest of this document is split into two parts.