Pure tone is a single frequency tone with no harmonic content (no overtones). This corresponds to a sine wave. It is characterized by the frequency - the number of cycles per second, the wavelength - the distance the waveform travels through its medium within a period, and the amplitude - the size of the cycles. Sine waves of various frequencies; the lower waves have higher frequencies than those above. ... In acoustics and telecommunication, the harmonic of a wave is a component frequency of the signal that is an integer multiple of the fundamental frequency. ... An overtone is a sinusoidal component of a waveform, of greater frequency than its fundamental frequency. ... In trigonometry, an ideal sine wave is a waveform whose graph is identical to the generalized sine function y = Asin[ω(x − α)] + C, where A is the amplitude, ω is the angular frequency (2π/P where P is the wavelength), α is the phase shift, and C is the... The wavelength is the distance between repeating units of a wave pattern. ... Amplitude is a nonnegative scalar measure of a waves magnitude of oscillation. ...

The Fourier theorem states that any periodic waveform can be decomposed as the sum of a series of sine waves with frequencies in a harmonic series and at specific phase relationships to each other. The Fourier series, named in honor of Joseph Fourier (1768-1830), is an extremely useful mathematical tool. ... In mathematics, a periodic function is a function that repeats its values, after adding some definite period to the variable. ... Rotting fruit Decomposition is the reduction of bodies and other formerly living organisms into simpler forms of matter and, most particularly, to the fate of the human body after death. ... In acoustics and telecommunication, the harmonic of a wave is a component frequency of the signal that is an integral multiple of the fundamental frequency. ... ...

Musical instruments usually generate tones composed of several sinusoidal waves with harmonic frequencies. The lowest of these frequencies (the fundamental frequency) determines the pitch of the tone, which is perceived by the human hearing. In music, notes are assigned to tones with different fundamental frequencies, in order to describe the pitch of played tones. A musical instrument is a device that has been constructed or modified with the purpose of making music. ... The word tone is used in several different fields with different meanings. ... In acoustics and telecommunication, the harmonic of a wave is a component frequency of the signal that is an integral multiple of the fundamental frequency. ... The fundamental tone often referred to simply as the fundamental, is the lowest frequency in a harmonic series. ... In music, pitch is the perception of the frequency of a note. ...

See also

• Flageolet tone