Unsupervised labeling of sentence level accent
First Claim
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1. A computer-implemented method of training an acoustic model, the method comprising:
- classifying each of a plurality of words as being either a content word or a function word;
utilizing a characteristic of at least one of the content words as a basis for identifying an accent characteristic of at least one of the function words;
utilizing a computer processor that is a functional component of a computer to train the acoustic model with a collection of data so as to be indicative of the accent characteristic of the at least one of the function words, to be indicative of accented vowels of words that have been classified as being content words, and to be indicative of unaccented vowels of words that have been classified as being function words; and
wherein accented vowels of words that have been labeled as function words are excluded from the collection of data utilized to train the acoustic model.
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Abstract
Methods are disclosed for automatic accent labeling without manually labeled data. The methods are designed to exploit accent distribution between function and content words.
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9 Claims
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1. A computer-implemented method of training an acoustic model, the method comprising:
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classifying each of a plurality of words as being either a content word or a function word; utilizing a characteristic of at least one of the content words as a basis for identifying an accent characteristic of at least one of the function words; utilizing a computer processor that is a functional component of a computer to train the acoustic model with a collection of data so as to be indicative of the accent characteristic of the at least one of the function words, to be indicative of accented vowels of words that have been classified as being content words, and to be indicative of unaccented vowels of words that have been classified as being function words; and wherein accented vowels of words that have been labeled as function words are excluded from the collection of data utilized to train the acoustic model. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A computer-implemented method of training an acoustic model, the method comprising:
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utilizing a computer processor that is a functional component of a computer and a first acoustic model to label accented and unaccented components of function words; utilizing the unaccented components of the function words as a basis for training a second acoustic model; and excluding the accented components of the function words from a collective set of data utilized as a basis for training the second acoustic model. - View Dependent Claims (8, 9)
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Specification