Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Aria finale exercise from “Una voce poco fa” by Rossini sung by soprano 2. Oscillations in frequency representing vibrato are visible on the sonogram. The integrated EMG trace for LD shows rhythmic activity in phase with this during the two sustained notes at the end of the phrase (6–11.5 seconds into the recording). The raw EMG trace for LD is included to demonstrate that this is free of movement artifact associated with the vibrato. a.u., Arbitrary units.
