Controlled acoustic environments are important in voice research. Recording environment affects the quality of voice recordings. While sound booths and anechoic chambers are examples of controlled acoustic environments widely used in research, they are both costly and not portable. The long-term goal of this project is to compare the voice usage and efficiency of trained and untrained singers onsite immediately before and after vocal performance. The specific goal of this project is the further of development a Portable Sound Booth (PSB) and standardization of onsite voice recording procedures under controlled conditions. We hypothesized that the simple and controlled acoustic environment provided by the PSB would enable consistent reliable onsite voice recordings and the immediate differences as a consequence of voice usage were measurable. Research has suggested that it would be possible to conduct onsite voice recordings. Proof of concept research titled "Construction and Characterization of a Portable Sound Booth for Onsite Measurement" was conducted before initiating the full research effort. Preliminary findings revealed that: (1) it was possible to make high-quality voice recordings onsite, (2) the use of a Portable Sound Booth (PSB) required further acoustic characterization of its inherent acoustic properties, and (3) testable differences before and after performance were evident. The specific aims were to (1) develop and refine onsite objective voice measurements in the PSB and (2) evaluate use of the PSB to measure voice quality changes before and after voice usage.
|Advisor:||Castellanos, Paul F.|
|Commitee:||Gaskill, Christopher S., Richardson, Paul A., Tarvin, John T., Watts, Stephen A.|
|School:||The University of Alabama at Birmingham|
|School Location:||United States -- Alabama|
|Source:||DAI-B 74/09(E), Dissertation Abstracts International|
|Subjects:||Performing Arts, Physiology, Acoustics|
|Keywords:||Occupational voice injury, Onsite voice recordings, Portable sound booth, Professional singers, Trained and untrained singers, Vocal fatigue|
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