Related Experiment Video
Updated: Oct 13, 2026

A Simple Technique to Assay Locomotor Activity in Drosophila
Published on: February 24, 2023
The source-filter frame of prominence
G Fant1, A Kruckenberg, J Liljencrants
1Department of Speech, Music and Hearing, The Royal Institute of Technology, KTH, Stockholm, Sweden. gunnar@speech.kth.se
Abstract:
One aim of our study is to discuss some of the relations of prosodic parameters to the speech production process, e.g. how speech intensity is related to the vocal tract filter and the voice source and the underlying aerodynamics. A specific problem of phonetic interest is the role of subglottal pressure and fundamental frequency as intensity determinants and their covariation in speech. Our speech analysis displays, incorporating perceptually scaled syllable prominence, are suitable for multilevel studies of speech parameters. A new intensity parameter, SPLH, related to sonority is introduced. In combination with the standard sound pressure level it provides information on the voice source spectral slope. In Swedish, high long stressed vowels approach a semi-closed target, and thus a sonority minimum, which suggests a motor component in prominence perception.
Related Concept Videos
Frames
Frames are versatile and widely used in various applications such as structural supports for beams and columns, automobile chassis construction, and in the construction...
Framing Effects
Filtration
Active Filters
Sinusoidal Sources
In homes, the power supplies use sinusoidal sources to provide electricity. These sources generate a voltage that varies sinusoidally...
Source Transformation
It is essential to note that when...
