{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9646634","patent":{"patent_number":"US-9646634","title":"Low-rank hidden input layer for speech recognition neural network","assignee":null,"inventors":[],"filing_date":"2015-02-09T00:00:00.000Z","publication_date":"2017-05-09T00:00:00.000Z","cpc_codes":["G10L","G06N","G06N","G10L"],"num_claims":18,"abstract":"Methods, systems, and apparatus, including computer programs encoded on computer storage media, for training a deep neural network. One of the methods for training a deep neural network that includes a low rank hidden input layer and an adjoining hidden layer, the low rank hidden input layer including a first matrix A and a second matrix B with dimensions i×m and m×o, respectively, to identify a keyword includes receiving a feature vector including i values that represent features of an audio signal encoding an utterance, determining, using the low rank hidden input layer, an output vector including o values using the feature vector, determining, using the adjoining hidden layer, another vector using the output vector, determining a confidence score that indicates whether the utterance includes the keyword using the other vector, and adjusting weights for the low rank hidden input layer using the confidence score."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Low-rank hidden input layer for speech recognition neural network","description":"Methods, systems, and apparatus, including computer programs encoded on computer storage media, for training a deep neural network. One of the methods for training a deep neural network that includes ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9646634","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9646634","citation_suggestion":"Patentable. \"Low-rank hidden input layer for speech recognition neural network\" (US-9646634). https://patentable.app/patents/US-9646634","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9646634","json":"https://patentable.app/api/llm-context/US-9646634","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:33:17.269Z"}