Patent ID: 11862171
Assignee: SAS INSTITUTE INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 16:
17. The computer-program product of claim 11, wherein:
the first pause detection technique comprises use, within the first thread, of comparisons of peak amplitudes of portions of the speech audio to a threshold amplitude to identify likely sentence pauses of the first set of likely sentence pauses;
performing the first pause detection technique comprises the at least one processor being caused to perform, within the first thread, further preprocessing operations comprising:
derive the threshold amplitude based on at least one peak amplitude of the speech audio; and
derive an audio noise level based on at least one measure of a level of audio noise present within the speech audio; and

using at least the acoustic model with each data segment of the multiple data segments to identify likely speech sounds in the speech audio comprises the at least one processor being caused to perform further speech-to-text processing operations comprising:
analyze probability distributions that are output by the acoustic model, and that identify likely speech sounds, to identify combinations of speech sounds that correspond to candidate words;
for each candidate word, use a language model to derive a corresponding candidate set of n-grams accompanied by corresponding indications of relative probabilities of use of each n-gram within the candidate set of n-grams;
use at least the audio noise level to derive a weighting of relative susceptibility of the accuracy of the acoustic model and of the accuracy of the language model to the audio noise of the speech audio; and
use the weighting along with at least one of probability distributions output by the acoustic model or the indications of relative probabilities output by the language model to identify each word that is to be included in the transcript.