Automated Extraction of Semantic Content and Generation of a Structured Document from Speech
First Claim
1. A method comprising steps of:
- (A) identifying a probabilistic language model including a plurality of probabilistic language models associated with a plurality of sub-structures of a document; and
(B) using a speech recognition decoder to apply the probabilistic language model to a spoken audio stream to produce a document including content organized into the plurality of sub-structures, wherein the content in each of the plurality of sub-structures is produced by recognizing speech using the probabilistic language model associated with the sub-structure.
8 Assignments
0 Petitions
Accused Products
Abstract
Techniques are disclosed for automatically generating structured documents based on speech, including identification of relevant concepts and their interpretation. In one embodiment, a structured document generator uses an integrated process to generate a structured textual document (such as a structured textual medical report) based on a spoken audio stream. The spoken audio stream may be recognized using a language model which includes a plurality of sub-models arranged in a hierarchical structure. Each of the sub-models may correspond to a concept that is expected to appear in the spoken audio stream. Different portions of the spoken audio stream may be recognized using different sub-models. The resulting structured textual document may have a hierarchical structure that corresponds to the hierarchical structure of the language sub-models that were used to generate the structured textual document.
133 Citations
55 Claims
-
1. A method comprising steps of:
-
(A) identifying a probabilistic language model including a plurality of probabilistic language models associated with a plurality of sub-structures of a document; and (B) using a speech recognition decoder to apply the probabilistic language model to a spoken audio stream to produce a document including content organized into the plurality of sub-structures, wherein the content in each of the plurality of sub-structures is produced by recognizing speech using the probabilistic language model associated with the sub-structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 47, 48, 49, 50)
-
-
24. An apparatus comprising:
-
first identification means for identifying a probabilistic language model including a plurality of probabilistic language models associated with a plurality of sub-structures of a document; document production means for using a speech recognition decoder to apply the probabilistic language model to a spoken audio stream to produce a document including content organized into the plurality of sub-structures, wherein the content in each of the plurality of sub-structures is produced by recognizing speech using the probabilistic language model associated with the sub-structure. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
-
-
51. A data structure comprising:
-
a plurality of language models logically organized in a hierarchy, the plurality of language models including a first language model and a second language model; wherein the first language model is a parent of the second language model in the hierarchy; wherein the first language model is suitable for recognizing speech representing a first concept associated with a substructure of a document; and wherein the second language model is suitable for recognizing speech representing a second concept associated with a subset of the substructure of the document. - View Dependent Claims (52, 53, 54, 55)
-
Specification