Quality assessment of text derived from an audio signal
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United States of America Patent
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Nov 18, 2014
Issued Date -
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app pub date -
Oct 25, 2011
filing date -
Oct 25, 2011
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Abstract
According to example configurations, a translation quality assessment application (e.g., system) receives a set of text derived from a translation of an audio signal. The translation quality assessment application aligns and compares the received set of text to reference text to identify occurrence of speech-to-text translation errors in the set of text. For each of the errors, the translation quality assessment application identifies a type associated with the error and retrieves an appropriate weighted coefficient. For example, the translation quality assessment application produces a respective weighted value for each error based on the weighted coefficients. A magnitude of each of the weighted values varies depending on a type of the error that occurred during the translation. The translation quality assessment application utilizes the weighted values to generate a metric indicating a level of quality of the set of captioned text with respect to the set of reference text.
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