Method and apparatus for transmitting speech data to a remote device in a distributed speech recognition system
CA 2612903 C · Owner: Telecom Italia S.P.A. · Inventors: Spagnolo, Roberto; Collotta, Ivano Salvatore; Ettorre, Donato
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of transmitting speech data to a remote device in a distributed speech recognition system, comprising the steps of: - dividing an input speech signal into frames; - calculating, for each frame a voice activity value , representative of the presence of speech activity in said frame; - grouping the frames into multiframes, each multiframe comprising a predetermined number of frames; - calculating, for each multiframe a voice activity marker , representative of the number of frames in said multiframe representing speech activity; and - selectively transmitting on the basis of said voice activity , marker associated to each multiframe said multiframes to said remote device.
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 June 20, 2005 and granted April 21, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 20, 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.