Measurement of vibrato in lyric singers
Ixone Arroabarren, Miroslav Zivanovic, J. Bretos, Amaya Ezcurra, A. Carlosena · IEEE Transactions on Instrumentation and Measurement · 2002
In this paper, some digital signal processing techniques are proposed to measure the properties of the vibrato performed by lyric singers. From an audio record, three main signals are obtained which correlate with the acoustically perceived parameters: intonation, rate, and extent. The results obtained are much more informative than those previously reported by other authors who use less sophisticated techniques.