Recent Publications
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Conference Paper : AlignNet: Learning dataset score alignment functions to enable better training of speech quality estimators July 2024, Jaden Pieper and Stephen D. Voran. We develop two complementary advances for training no-reference (NR) speech quality estimators with independent datasets. Multi-dataset finetuning (MDF) pretrains an NR estimator on a single dataset a...
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Conference Paper : Why Some Audio Signal Short-Time Fourier Transform Coefficients Have Nonuniform Phase Distributions July 2024, Stephen D. Voran. The short-time Fourier transform (STFT) represents a window of audio samples as a set of complex coefficients. These are advantageously viewed as magnitudes and phases and the overall distribution of ...
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Technical Memorandum NTIA TM-24-571: Joint Analyses of No-Reference Speech Quality Estimation Tools and Conference Speech Recorded in Diverse Real-World Conditions July 2024, Jaden Pieper and Stephen D. Voran. Recently, prerecorded audio and video presentations, as well as virtual meetings, have become a common component of professional life, due to health and environmental considerations. This places new r...
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Other : Improving Speech Audio for Prerecorded and Live Online Conference Sessions July 2024, Jaden Pieper, Stephen D. Voran, and Kenneth R. Tilley. Learn how to identify impaired speech and avoid its causes. Watch our six tips for online conference and meeting organizers and contributors who plan to speak during a live online event or submit a pr...