Abstract
The sound of a violin played by a person in an anechoic room was recorded simultaneously by 16 microphones lying in a circle with the violin in the middle (the angle among the microphone positions was 22.5 degrees). To create the sound radiation pattern for the individual frequencies, the levels of harmonics were specified in the spectrum obtained from the SPL recordings on the microphones in the given geometrical layout. Next, the violin was excited artificially, by the personal presence of the same player, in the same position as being played by a person. The manner of recording remains unchanged. The constant exciting independent of the frequency enabled the comparison of the directivities of the radiation for different frequencies. Consider the results obtained from both ways of violin exciting, a wide range of angles was searched in which the radiation is stable enough even in the sense of listening to tones recorded when the violin was played by a person.
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