Abstract
Embodiments of the present invention provide methods and decoding devices for predicting bandwidth extended frequency band signals. This method includes demultiplexing a received bitstream to obtain a frequency domain signal, and the highest frequency bin to which the bit of the frequency domain signal is assigned is a preset starting frequency bin in a bandwidth extension frequency band. The bandwidth extension frequency band excitation signal according to a predetermined start frequency bin of the bandwidth extension frequency band and the excitation signal within a predetermined frequency band range of the frequency domain signal. Predict, otherwise bandwidth extension according to excitation signal within predetermined frequency band range of frequency domain signal, preset start frequency bin of bandwidth extension frequency band, and highest frequency bin to which bits are assigned Predicting frequency band excitation signals, as well as predicting bandwidth extension frequency bands As the frequency envelope of the excitation signal and bandwidth extension frequency band was includes predicting the bandwidth extension frequency band signal. The technical solution of the embodiment of the present invention can effectively ensure the continuity of the predicted excitation signal between the previous frame and the subsequent frame of the bandwidth extension frequency band signal, thereby Ensure the auditory quality of the restored bandwidth extended frequency band signal.
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4G,3G | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
Not Available | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
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Yes | Family Member |
Specification Information
Specification Information
Technologies
Family Information
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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WO2014117484A1 | 4G,3G | 09/12/2014 | ISLD-201412-013 | HUAWEI | Yes | Basis Patent | ||||
WO2014117484A1 | Not Available | 09/12/2014 | ISLD-201412-013 | HUAWEI | Yes | Basis Patent | ||||
WO2014117484A1 | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | Yes | Basis Patent | ||||
WO2014117484A1 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
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Yes | Family Member | |||
CN103971694A | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
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Yes | Basis Patent | |||
CN103971694B | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
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Yes | Basis Patent | |||
EP2940685A1 | 4G,3G | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
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EP2940685A1 | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
EP2940685A1 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
S1
S2
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Yes | Family Member | |||
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EP2940685A4 | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
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Yes | Family Member | |||
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KR101602264B1 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
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S2
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Yes | Family Member | |||
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KR20150109460A | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
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Yes | Family Member | |||
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US2015332688A1 | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
US2015332688A1 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
S1
S2
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Yes | Family Member | |||
US9361904B2 | 4G,3G | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
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US9361904B2 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
S1
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Yes | Family Member | |||
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JP6202545B2 | Not Available | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
JP6202545B2 | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
JP6202545B2 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
S1
S2
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Yes | Family Member | |||
US2016247513A1 | 4G,3G | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
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US2016247513A1 | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
US2016247513A1 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
S1
S2
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Yes | Family Member | |||
US9875749B2 | 4G,3G | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
US9875749B2 | Not Available | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
US9875749B2 | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
US9875749B2 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
S1
S2
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Yes | Family Member | |||
US2018122393A1 | 4G,3G | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
US2018122393A1 | Not Available | 09/12/2014 | ISLD-201412-013 | HUAWEI | No | Family Member | ||||
US2018122393A1 | 4G,3G | 23/10/2016 | ISLD-201701-002 | HUAWEI | No | Family Member | ||||
US2018122393A1 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
S1
S2
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Yes | Family Member | |||
US2019325884A1 | 5G | 19/03/2020 | ISLD-202003-035 | HUAWEI |
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Yes | Family Member | |||
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.