Patent ID: 8959020
Filing Date: 2015-02-17
Classification: G10L

Abstract:
1. A computer-implemented method comprising: receiving, by one or more computers, transcribed data from a speech recognition system, wherein the transcribed data includes one or more first transcribed n-grams; receiving, by at least one of the computers, a corpus of typed text including a plurality of typed n-grams; determining a transcribed frequency for a specific n-gram, the specific n-gram being one of the typed n-grams included in the corpus of typed text, the transcribed frequency being based on a first quantity of occurrences in which the specific n-gram is one of the first transcribed n-grams included in the transcribed data; determining a typed frequency for the specific n-gram, the typed frequency being based on a second quantity of occurrences in which the specific n-gram is one of the typed n-grams included in the corpus of typed text; comparing the transcribed frequency for the specific n-gram with the typed frequency for the specific n-gram; and classifying, based on the comparing, a system pronunciation associated with the specific n-gram as occurring frequently in a plurality of spoken phrases included in the transcribed data or occurring infrequently in the plurality of spoken phrases, wherein the system pronunciation is for use by the speech recognition system in transcribing future utterances.