A STUDY OF THE BLENDING OF VOCAL MUSIC WITH THE SOUND FIELD BY DIFFERENT SINGING STYLES

The initial time delay Δt1 between the direct sound and the first reflection and the subsequent reverberation time Tsub are usually fixed within a given space. Thus, concert halls do not have ideal conditions for all forms of music. It has been shown that the most preferred conditions for both listeners and performers are determined by the minimum value of the effective duration of the running autocorrelation function (ACF) of sound signals, (τe)min. To determine the suitability of vocal music for a given sound field, (τe)min of vocal music was analyzed, after recording five solo singers (tenor) in an anechoic room. The results showed that (τe)min of the ACF of a voice source, which is closely related to the two temporal factors of the sound field, varies with singing style. A significant finding is that the values of (τe)min of sound signals forfalsetto and medium falsetto are significantly longer than that for operatic singing.