Phonetic fragment search in speech data
First Claim
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1. A method of searching audio data, comprising:
- receiving a query defining multiple phonetic possibilities; and
comparing the query with a lattice of phonetic hypotheses associated with the audio data to identify if at least one of the multiple phonetic possibilities is approximated by at least one phonetic hypothesis in the lattice of phonetic hypotheses.
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Abstract
A method of searching audio data is provided including receiving a query defining multiple phonetic possibilities. The method also includes comparing the query with a lattice of phonetic hypotheses associated with the audio data to identify if at least one of the multiple phonetic possibilities is approximated by at least one phonetic hypothesis in the lattice of phonetic hypotheses.
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Citations
16 Claims
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1. A method of searching audio data, comprising:
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receiving a query defining multiple phonetic possibilities; and
comparing the query with a lattice of phonetic hypotheses associated with the audio data to identify if at least one of the multiple phonetic possibilities is approximated by at least one phonetic hypothesis in the lattice of phonetic hypotheses. - View Dependent Claims (2, 4, 5, 6, 7, 16)
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3. The method of claim 3 and further comprising:
adding a penalty value to the score if said at least one of the multiple phonetic possibilities is approximated by disconnected phonetic hypotheses.
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8. A method of generating a lattice from audio data, comprising:
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recognizing phonetic fragments within the audio data, wherein at least some of the phonetic fragments include at least two phones; and
calculating a score for paths joining adjacent phonetic fragments. - View Dependent Claims (9, 10, 11)
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12. A computer readable-medium encoded with a data structure, comprising:
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a plurality of phoneme hypotheses and an associated score for each hypothesis, wherein at least some of the hypotheses form phonetic fragments that include at least two phones; and
a plurality of transitions connecting the phoneme hypotheses. - View Dependent Claims (13, 14, 15)
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Specification