Near-transparent or transparent multi-channel encoder/decoder scheme
CA 2598541 C · Owner: Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. · Inventors: Lindblom, Jonas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Near-transparent or transparent multi-channel encoder/decoder scheme Abstract A multi-channel encoder/decoder scheme additionally preferably generates a waveform-type residual signal (16). This residual signal is transmitted (18) together with one or more multi-channel parameters (14) to a decoder. In contrast to a purely parametric multi-channel decoder the enhanced decoder , generates a multi-channel output signal having an improved output quality because of the additional residual signal.
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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 October 4, 2005 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 4, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.