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combination frequencies

См. также в других словарях:

  • Combination tone — A combination tone, also called a sum tone or a difference tone (also occasionally resultant tone), can be any of at least three similar psychoacoustic phenomena. When two tones are played simultaneously, a listener can sometimes perceive an… …   Wikipedia

  • combination tone — ▪ acoustics       in musical acoustics (music), faint tone produced in the inner ear by two simultaneously sounded musical tones. Because such tones are caused by the ear rather than by the external source of the sound, they are sometimes called… …   Universalium

  • combination tone — noun also combination note : a subjective tone heard by many observers when two pure tones of widely different frequency are sounded together and thought to be due to the fact that the human ear does not in general give a linear response to sound …   Useful english dictionary

  • Rydberg-Ritz combination principle — The Rydberg Ritz Combination Principle is the theory proposed by Walter Ritz in 1908 to explain relationship of the spectral lines for all atoms. The principle states that the spectral lines of any element include frequencies that are either the… …   Wikipedia

  • Ritz's combination principle — noun the observation that the sums and differences of the frequencies of spectral lines often equal other observed frequencies; a consequence of quantum mechanics …   Wiktionary

  • Ritz combination principle — /rits/, Physics. the principle that the frequencies of lines in atomic spectra can be represented as differences of a smaller number of terms, all characteristic of the emitting system, interpreted in quantum theory as the emission of exactly one …   Universalium

  • Ritz combination principle — /rits/, Physics. the principle that the frequencies of lines in atomic spectra can be represented as differences of a smaller number of terms, all characteristic of the emitting system, interpreted in quantum theory as the emission of exactly one …   Useful english dictionary

  • Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …   Wikipedia

  • spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …   Universalium

  • Harmonic series (music) — Harmonic series of a string. Pitched musical instruments are often based on an approximate harmonic oscillator such as a string or a column of air, which oscillates at numerous frequencies simultaneously. At these resonant frequencies, waves… …   Wikipedia

  • Auditory masking — occurs when the perception of one sound is affected by the presence of another sound (Gelfand 2004). The term masking is not confined to auditory perception as it can also be used in visual perception tasks.Masking can be simultaneous or non… …   Wikipedia

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