Document transcription system training
CA 2577726 C · Owner: Koll, Detlef · Inventors: Finke, Michael; Woszczyna, Monika; Koll, Detlef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system (300) is provided for training an acoustic model (330) for use in speech recognition . In particular, such a system (300) may b used to perform training based on a spoken audio stream (302) and a non-literal transcript (304) of the spoken audio stream (302). Such a system (300) may identify text (308) in the non-literal transcript (304) which represents concepts having multiple spoken forms. The system (300) may attempt to identify the actual spoken form in the audio stream which produced the corresponding text in the non- literal transcript (304), and thereby produce a revised transcript which more accurately represents the spoken audio stream (302). The revised and , more …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 18, 2005 and granted July 14, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 18, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.