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Integrated software for analysis and synthesis of voice quality
Jody Kreiman1, Norma Antoñanzas-Barroso, Bruce R Gerratt
1Division of Head/Neck Surgery, UCLA School of Medicine, Los Angeles, California 90095-1794, USA. jkreiman@ucla.edu
Behavior Research Methods
|December 9, 2010
Summary
Researchers can now explore voice quality perception with the UCLA voice synthesizer. This software enables precise acoustic analysis and synthesis for studying normal and pathological voice characteristics.
Area of Science:
- Speech and Hearing Sciences
- Psychoacoustics
- Bioacoustics
Background:
- Voice quality is a crucial perceptual cue across various scientific disciplines.
- Understanding the psychoacoustics of voice quality is limited.
- Accurate modeling of voice signals is needed to test hypotheses.
Purpose of the Study:
- To introduce the UCLA voice synthesizer, a software tool for voice analysis and synthesis.
- To provide a platform for testing hypotheses on the relationship between acoustic parameters and voice quality perception.
- To offer an integrated approach for voice signal manipulation and modeling.
Main Methods:
- Development of the UCLA voice synthesizer software.
- Utilizing a parsimonious set of acoustic parameters for voice source and vocal tract.
- Implementing spectral-domain manipulations of the harmonic voice source.
- Near real-time operation for interactive voice signal modification.
Main Results:
- The synthesizer allows for accurate replication of normal and pathological voice qualities.
- It facilitates precise, spectral-domain manipulation of the voice source.
- The software provides an integrated system for voice analysis and synthesis.
Conclusions:
- The UCLA voice synthesizer is a valuable tool for researchers in voice, speech, and vocal behavior.
- It aids in understanding the psychoacoustic basis of voice quality perception.
- The software enables advanced modeling and analysis of voice signals.
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