System and method of automated evaluation of transcription quality
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United States of America Patent
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Aug 29, 2017
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app pub date -
Jun 13, 2016
filing date -
Jul 30, 2013
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Abstract
Systems and methods automatedly evaluate a transcription quality. Audio data is obtained. The audio data is segmented into a plurality of utterances with a voice activity detector operating on a computer processor. The plurality of utterances are transcribed into at least one word lattice with a large vocabulary continuous speech recognition system operating on the processor. A minimum Bayes risk decoder is applied to the at least one word lattice to create at least one confusion network. At least conformity ratio is calculated from the at least one confusion network.
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