Inventor · disambiguated record
Fengyan Qi
Also filed as: QI FENGYAN
60 granted patents·10 pending applications·184 citations·filing 2008–2024
98Inventor score
Top patents by PatentIndex Score
70 records- 0193US10249315B2Method and apparatus for detecting correctness of pitch periodHUAWEI TECH CO LTD·Filed 2017·Granted Apr 2, 2019·9 cites·18 claims
- 0291US7552048B2Method and device for performing frame erasure concealment on higher-band signalHUAWEI TECH CO LTD·Filed 2008·Granted Jun 23, 2009·29 cites·19 claims
- 0390US9626972B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2015·Granted Apr 18, 2017·6 cites·22 claims
- 0490US8200481B2Method and device for performing frame erasure concealment to higher-band signalXU JIANFENG·Filed 2008·Granted Jun 12, 2012·27 cites·21 claims
- 0586US2025087219A1Method and device for decoding signalsHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 0685US11741980B2Method and apparatus for detecting correctness of pitch periodHUAWEI TECH CO LTD·Filed 2021·Granted Aug 29, 2023·1 cites·26 claims
- 0785US10236002B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2017·Granted Mar 19, 2019·3 cites·24 claims
- 0885US9830914B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2017·Granted Nov 28, 2017·3 cites·20 claims
- 0985US9704500B2Method for predicting high frequency band signal, encoding device, and decoding deviceHUAWEI TECH CO LTD·Filed 2015·Granted Jul 11, 2017·5 cites·22 claims
- 1085US8682645B2Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformerHUAWEI TECH CO LTD·Filed 2013·Granted Mar 25, 2014·11 cites·21 claims
- 1184US12100401B2Method and device for decoding signalsHUAWEI TECH CO LTD·Filed 2023·Granted Sep 24, 2024·0 cites·18 claims
- 1284US10984813B2Method and apparatus for detecting correctness of pitch periodHUAWEI TECH CO LTD·Filed 2019·Granted Apr 20, 2021·3 cites·26 claims
- 1384US9105263B2Audio signal coding and decoding method and deviceQI FENGYAN·Filed 2012·Granted Aug 11, 2015·8 cites·16 claims
- 1484US8560329B2Signal compression method and apparatusHUAWEI TECH CO LTD·Filed 2012·Granted Oct 15, 2013·10 cites·17 claims
- 1583US9361904B2Method for predicting bandwidth extension frequency band signal, and decoding deviceHUAWEI TECH CO LTD·Filed 2015·Granted Jun 7, 2016·4 cites·20 claims
- 1682US12387737B2Very short pitch detection and codingHUAWEI TECH CO LTD·Filed 2023·Granted Aug 12, 2025·0 cites·21 claims
- 1782US9881626B2Vector joint encoding/decoding method and vector joint encoder/decoderHUAWEI TECH CO LTD·Filed 2017·Granted Jan 30, 2018·3 cites·14 claims
- 1881US11823687B2Method and device for decoding signalsHUAWEI TECH CO LTD·Filed 2023·Granted Nov 21, 2023·0 cites·18 claims
- 1981US9633666B2Method and apparatus for detecting correctness of pitch periodHUAWEI TECH CO LTD·Filed 2014·Granted Apr 25, 2017·5 cites·15 claims
- 2078US9099099B2Very short pitch detection and codingHUAWEI TECH CO LTD·Filed 2012·Granted Aug 4, 2015·4 cites·22 claims
- 2177US10971162B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2019·Granted Apr 6, 2021·1 cites·20 claims
- 2276US10089997B2Method for predicting high frequency band signal, encoding device, and decoding deviceHUAWEI TECH CO LTD·Filed 2017·Granted Oct 2, 2018·2 cites·20 claims
- 2376US9153245B2Pitch detection method and apparatusQI FENGYAN·Filed 2010·Granted Oct 6, 2015·7 cites·15 claims
- 2475US11894007B2Very short pitch detection and codingHUAWEI TECH CO LTD·Filed 2022·Granted Feb 6, 2024·0 cites·21 claims
- 2574US11610592B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2021·Granted Mar 21, 2023·0 cites·16 claims
- 2674US2023402048A1Method and Apparatus for Detecting Correctness of Pitch PeriodTOP QUALITY TELEPHONY LLC·Filed 2023·Application pending·0 cites
- 2773US7835906B1Encoding method, apparatus and device and decoding methodHUAWEI TECH CO LTD·Filed 2010·Granted Nov 16, 2010·5 cites·18 claims
- 2872US8396716B2Signal compression method and apparatusQI FENGYAN·Filed 2009·Granted Mar 12, 2013·6 cites·20 claims
- 2972US7957961B2Method and apparatus for obtaining an attenuation factorHUAWEI TECH CO LTD·Filed 2009·Granted Jun 7, 2011·6 cites·10 claims
- 3071US9530420B2Method and apparatus for allocating bits of audio signalHUAWEI TECH CO LTD·Filed 2015·Granted Dec 27, 2016·2 cites·19 claims
- 3171US8320265B2Method and apparatus for obtaining an attenuation factorZHAN WUZHOU·Filed 2008·Granted Nov 27, 2012·6 cites·15 claims
- 3270US8930200B2Vector joint encoding/decoding method and vector joint encoder/decoderHUAWEI TECH CO LTD·Filed 2013·Granted Jan 6, 2015·2 cites·23 claims
- 3369US9786293B2Signal coding and decoding methods and devicesHUAWEI TECH CO LTD·Filed 2016·Granted Oct 10, 2017·1 cites·20 claims
- 3469US9704498B2Vector joint encoding/decoding method and vector joint encoder/decoderHUAWEI TECH CO LTD·Filed 2016·Granted Jul 11, 2017·1 cites·20 claims
- 3569US9404826B2Vector joint encoding/decoding method and vector joint encoder/decoderHUAWEI TECH CO LTD·Filed 2014·Granted Aug 2, 2016·2 cites·11 claims
- 3668US8515744B2Method for encoding signal, and method for decoding signalZHANG DEJUN·Filed 2011·Granted Aug 20, 2013·3 cites·22 claims
- 3765US8812307B2Method, apparatus and system for linear prediction coding analysisXU JIANFENG·Filed 2011·Granted Aug 19, 2014·3 cites·12 claims
- 3863US11270716B2Very short pitch detection and codingHUAWEI TECH CO LTD·Filed 2019·Granted Mar 8, 2022·0 cites·20 claims
- 3963US10546589B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2019·Granted Jan 28, 2020·0 cites·24 claims
- 4062US7835912B2Signal processing method, processing apparatus and voice decoderHUAWEI TECH CO LTD·Filed 2009·Granted Nov 16, 2010·3 cites·9 claims
- 4161US11127409B2Audio signal coding and decoding method and deviceHUAWEI TECH CO LTD·Filed 2019·Granted Sep 21, 2021·0 cites·20 claims
- 4260US8571112B2Specification method and apparatus for coding and decodingQI FENGYAN·Filed 2010·Granted Oct 29, 2013·2 cites·4 claims
- 4359US10607621B2Method for predicting bandwidth extension frequency band signal, and decoding deviceHUAWEI TECH CO LTD·Filed 2019·Granted Mar 31, 2020·0 cites·20 claims
- 4459US9424850B2Method and apparatus for allocating bit in audio signalHUAWEI TECH CO LTD·Filed 2015·Granted Aug 23, 2016·1 cites·28 claims
- 4556US10600430B2Signal decoding method, audio signal decoder and non-transitory computer-readable mediumHUAWEI TECH CO LTD·Filed 2018·Granted Mar 24, 2020·0 cites·21 claims
- 4656US10546592B2Audio signal coding and decoding method and deviceHUAWEI TECH CO LTD·Filed 2018·Granted Jan 28, 2020·0 cites·21 claims
- 4756US10482892B2Very short pitch detection and codingHUAWEI TECH CO LTD·Filed 2017·Granted Nov 19, 2019·0 cites·34 claims
- 4856US10089995B2Vector joint encoding/decoding method and vector joint encoder/decoderHUAWEI TECH CO LTD·Filed 2017·Granted Oct 2, 2018·0 cites·14 claims
- 4955US10636432B2Method for predicting high frequency band signal, encoding device, and decoding deviceHUAWEI TECH CO LTD·Filed 2018·Granted Apr 28, 2020·0 cites·20 claims
- 5055US10388295B2Method for predicting bandwidth extension frequency band signal, and decoding deviceHUAWEI TECH CO LTD·Filed 2017·Granted Aug 20, 2019·0 cites·20 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →