Inventor · disambiguated record
Zexin Liu
Also filed as: LIU ZEXIN
162 granted patents·20 pending applications·279 citations·filing 2009–2025
99Inventor score
Top patents by PatentIndex Score
182 records- 0197US11217257B2Method for encoding multi-channel signal and encoderHUAWEI TECH CO LTD·Filed 2020·Granted Jan 4, 2022·6 cites·20 claims
- 0295US11587572B2Stereo signal encoding method and apparatusHUAWEI TECH CO LTD·Filed 2020·Granted Feb 21, 2023·4 cites·20 claims
- 0394US11568882B2Inter-channel phase difference parameter encoding method and apparatusHUAWEI TECH CO LTD·Filed 2021·Granted Jan 31, 2023·2 cites·20 claims
- 0493US10366697B2Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signalHUAWEI TECH CO LTD·Filed 2017·Granted Jul 30, 2019·5 cites·19 claims
- 0593US9685165B2Method and apparatus for predicting high band excitation signalHUAWEI TECH CO LTD·Filed 2016·Granted Jun 20, 2017·12 cites·18 claims
- 0693US8924221B2Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signalHUAWEI TECH CO LTD·Filed 2013·Granted Dec 30, 2014·8 cites·25 claims
- 0791US11178505B2Multi-channel signal encoding method, multi-channel signal decoding method, encoder, and decoderHUAWEI TECH CO LTD·Filed 2020·Granted Nov 16, 2021·2 cites·20 claims
- 0891US10373629B2Audio signal encoding and decoding method, and audio signal encoding and decoding apparatusHUAWEI TECH CO LTD·Filed 2017·Granted Aug 6, 2019·8 cites·12 claims
- 0991US9805736B2Audio signal encoding and decoding method, and audio signal encoding and decoding apparatusHUAWEI TECH CO LTD·Filed 2015·Granted Oct 31, 2017·10 cites·6 claims
- 1090US11462224B2Stereo signal encoding method and apparatus using a residual signal encoding parameterHUAWEI TECH CO LTD·Filed 2020·Granted Oct 4, 2022·2 cites·20 claims
- 1190US9728197B2Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signalHUAWEI TECH CO LTD·Filed 2015·Granted Aug 8, 2017·6 cites·25 claims
- 1290US9626972B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2015·Granted Apr 18, 2017·6 cites·22 claims
- 1390US9161038B2Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signalHUAWEI TECH CO LTD·Filed 2013·Granted Oct 13, 2015·11 cites·15 claims
- 1490US8063809B2Transient signal encoding method and device, decoding method and device, and processing systemLIU ZEXIN·Filed 2011·Granted Nov 22, 2011·30 cites·14 claims
- 1589US2025391416A1Inter-channel phase difference parameter encoding method and apparatusHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 1687US9754594B2Encoding method and apparatusHUAWEI TECH CO LTD·Filed 2016·Granted Sep 5, 2017·5 cites·26 claims
- 1786US10134402B2Signal processing method and apparatusHUAWEI TECH CO LTD·Filed 2016·Granted Nov 20, 2018·6 cites·26 claims
- 1886US8600765B2Signal classification method and device, and encoding and decoding methods and devicesHUAWEI TECH CO LTD·Filed 2012·Granted Dec 3, 2013·11 cites·36 claims
- 1986US2025210053A1Encoding Method, Decoding Method, Encoding Apparatus, and Decoding ApparatusHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 2086US2025087219A1Method and device for decoding signalsHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 2185US10902862B2Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signalCRYSTAL CLEAR CODEC LLC·Filed 2019·Granted Jan 26, 2021·3 cites·20 claims
- 2285US10236002B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2017·Granted Mar 19, 2019·3 cites·24 claims
- 2385US9830914B2Method and device for decoding signalHUAWEI TECH CO LTD·Filed 2017·Granted Nov 28, 2017·3 cites·20 claims
- 2485US9704500B2Method for predicting high frequency band signal, encoding device, and decoding deviceHUAWEI TECH CO LTD·Filed 2015·Granted Jul 11, 2017·5 cites·22 claims
- 2584US12249339B2Signal processing method and deviceHUAWEI TECH CO LTD·Filed 2023·Granted Mar 11, 2025·0 cites·20 claims
- 2684US12100401B2Method and device for decoding signalsHUAWEI TECH CO LTD·Filed 2023·Granted Sep 24, 2024·0 cites·18 claims
- 2784US11580998B2Method and device for encoding a high frequency signal, and method and device for decoding a high frequency signalCRYSTAL CLEAR CODEC LLC·Filed 2021·Granted Feb 14, 2023·1 cites·20 claims
- 2884US11386907B2Multi-channel signal encoding method, multi-channel signal decoding method, encoder, and decoderHUAWEI TECH CO LTD·Filed 2019·Granted Jul 12, 2022·3 cites·26 claims
- 2984US11031021B2Inter-channel phase difference parameter encoding method and apparatusHUAWEI TECH CO LTD·Filed 2019·Granted Jun 8, 2021·3 cites·20 claims
- 3084US9666201B2Bandwidth extension method and apparatus using high frequency excitation signal and high frequency energyHUAWEI TECH CO LTD·Filed 2016·Granted May 30, 2017·5 cites·17 claims
- 3184US9251798B2Adaptive audio signal codingHUAWEI TECH CO LTD·Filed 2013·Granted Feb 2, 2016·8 cites·9 claims
- 3284US9105263B2Audio signal coding and decoding method and deviceQI FENGYAN·Filed 2012·Granted Aug 11, 2015·8 cites·16 claims
- 3384US2025363998A1Inter-Channel Phase Difference Parameter Extraction Method and ApparatusHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 3483US10121484B2Method and apparatus for decoding speech/audio bitstreamHUAWEI TECH CO LTD·Filed 2017·Granted Nov 6, 2018·4 cites·20 claims
- 3583US9361904B2Method for predicting bandwidth extension frequency band signal, and decoding deviceHUAWEI TECH CO LTD·Filed 2015·Granted Jun 7, 2016·4 cites·20 claims
- 3683US2024428811A1Method and Device for Encoding a High Frequency Signal, and Method and Device for Decoding a High Frequency SignalCRYSTAL CLEAR CODEC LLC·Filed 2024·Application pending·0 cites
- 3782US12387732B2Inter-channel phase difference parameter encoding method and apparatusHUAWEI TECH CO LTD·Filed 2024·Granted Aug 12, 2025·0 cites·20 claims
- 3882US12217764B2Encoding method, decoding method, encoding apparatus, and decoding apparatusHUAWEI TECH CO LTD·Filed 2023·Granted Feb 4, 2025·0 cites·14 claims
- 3982US2025342845A1Multi-Channel Signal Encoding Method and EncoderHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 4081US12322398B2Method and apparatus for determining weighting factor during stereo signal encodingHUAWEI TECH CO LTD·Filed 2024·Granted Jun 3, 2025·0 cites·20 claims
- 4181US11823687B2Method and device for decoding signalsHUAWEI TECH CO LTD·Filed 2023·Granted Nov 21, 2023·0 cites·18 claims
- 4281US9812143B2Audio coding method and apparatusHUAWEI TECH CO LTD·Filed 2016·Granted Nov 7, 2017·3 cites·25 claims
- 4381US2025037726A1Method for Encoding Multi-Channel Signal and EncoderHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 4481US2025329337A1Downmixed signal calculation method and apparatusHUAWEI TECH CO LTD·Filed 2025·Application pending·0 cites
- 4581US2025124932A1Multi-Channel Signal Encoding Method, Multi-Channel Signal Decoding Method, Encoder, and DecoderHUAWEI TECH CO LTD·Filed 2024·Application pending·0 cites
- 4680US12154578B2Multi-channel signal encoding method, multi-channel signal decoding method, encoder, and decoderHUAWEI TECH CO LTD·Filed 2023·Granted Nov 26, 2024·0 cites·20 claims
- 4780US11881226B2Signal processing method and deviceHUAWEI TECH CO LTD·Filed 2023·Granted Jan 23, 2024·0 cites·20 claims
- 4880US9779747B2Coding/decoding method, apparatus, and system for audio signalHUAWEI TECH CO LTD·Filed 2016·Granted Oct 3, 2017·3 cites·20 claims
- 4980US9691396B2Speech/audio signal processing method and apparatusHUAWEI TECH CO LTD·Filed 2014·Granted Jun 27, 2017·5 cites·18 claims
- 5080US8135593B2Methods, apparatuses and system for encoding and decoding signalMIAO LEI·Filed 2011·Granted Mar 13, 2012·10 cites·12 claims
Showing the top 50 of 182 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Zexin Liu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →