Patent Document ID: 10074361
Application ID: 15278651

Base Claim:
1. A speech recognition apparatus, the apparatus comprising: a processor configured to: extract select frames from all frames of a first speech of a user; calculate an acoustic score of a second speech, made up of the extracted select frames, by using a Neural Network (NN)-based acoustic model, and to calculate an acoustic score of frames, of the first speech, other than the select frames based on the calculated acoustic score of the second speech; and recognize the first speech based on the calculated acoustic score of the second speech and the calculated acoustic score of the frames other than the select frames.

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Claim 2:
2. The speech recognition apparatus of claim 1 , wherein, for the calculating of the acoustic score, the processor is configured to calculate the acoustic score of the frames other than the select frames without performing acoustic modeling of the frames other than the select frames using the acoustic model.