DFKI-LT - Quality control of automatic labelling using HMM-based synthesis

Sathish Chandra Pammi, Marcela Charfuelan Oliva, Marc Schröder
Quality control of automatic labelling using HMM-based synthesis
3 Proceedings of ICASSP 2009, Taipei, Taiwan, Province of China, o.A., 4/2009
 
This paper presents a measure to verify the quality of automatically aligned phone labels. The measure is based on a similarity cost between automatically generated phonetic segments and phonetic segments generated by an HMM-based synthesiser. We investigate the effectiveness of the measure for identifying problems of three types: alignment errors, phone identity problems and noise insertion. Our experiments show that the measure is best at finding noise errors, followed by phone identity mismatches and serious misalignments.
 
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