Method and system for operating audio encoders in parallel
CA 2605423 C · Owner: Dolby Laboratories Licensing Corporation · Inventors: Cowdery, James Stuart
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The time needed to encode an input audio stream is reduced by dividing the stream into two or more overlapping segments of audio information blocks applying an encoding process to each segment to generate encoded segments in parallel, and appending the encoded segments to form an encoded output signal. The encoding process is responsive to one or more control parameters. Some of the control parameters, which apply to a given block are calculated from , audio information in one or more previous blocks. The length of the overlap between adjacent segments is chosen such that the differences between control parameter values and corresponding reference values at the end of the overlap …
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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 March 23, 2006 and granted June 3, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 23, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.