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17 True/False questions

  1. LoopsPoints of minimum displacement in sound waves.

          

  2. PartialAny component of the harmonic series including the fundamental.

          

  3. OvertoneOne of the frequencies produced by the complex vibration of a body. Any of these will be higher than the fundamental frequency and a whole-number multiple of it.

          

  4. TimbreComplex sounds which are not periodic and contain overtones which are not part of the natural harmonic series, inharmonic overtones.

          

  5. NoisePoints of minimum displacement in sound waves.

          

  6. EnvelopeOne of the frequencies produced by the complex vibration of a body. Any of these will be higher than the fundamental frequency and a whole-number multiple of it.

          

  7. FormantPoints of minimum displacement in sound waves.

          

  8. Longitudinal wavesWaves in which the molecules of the transmitting medium are disturbed in the same direction as the sound source. Some examples are sound from air columns and sound waves through solids.

          

  9. Inharmonic overtonesA series of overtones caused by the complex vibration of a body. Each one has a frequency which is a whole number of times the frequency of the fundamental. The fundamental frequency may also be referred to as the first harmonic.

          

  10. HarmonicsAny component of the harmonic series including the fundamental.

          

  11. Fundamental FrequencyThose frequencies above a fundamental tone which are not a whole-number multiple of the fundamental and therefore, not in the natural harmonic series of that fundamental.

          

  12. NodesPoints of maximum displacement in sound waves.

          

  13. Standing wavesWaves in which the molecules of the transmitting medium were disturbed at right angles to the sound source. Ex. waves made by tuning fork, rock in water, vocal folds, vibrating strings.

          

  14. white noiseThe random occurrence of all pitches at equal amplitude within the audible frequency spectrum.

          

  15. Transverse WavesWaves in which the molecules of the transmitting medium were disturbed at right angles to the sound source. Ex. waves made by tuning fork, rock in water, vocal folds, vibrating strings.

          

  16. AmbienceThe process by which the threshold of audibility of one set of sounds is raised by the presence of another set of sounds. The amount of this is expressed in decibels.

          

  17. MaskingThe process by which the threshold of audibility of one set of sounds is raised by the presence of another set of sounds. The amount of this is expressed in decibels.