Inventor
Fengyan Qi
Inventor
Shenzhen, CN
Overview
Patents· 51 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis71%
H03MCoding10%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure8%
H04LTransmission of digital information, e.g. telegraphic communication6%
H04NPictorial communication, e.g. television3%
G06FElectric digital data processing1%
H04BTransmission1%
PatentTitleYear
11,127,409Audio signal coding and decoding method and device202110,636,432Method for predicting high frequency band signal, encoding device, and decoding device202010,607,621Method for predicting bandwidth extension frequency band signal, and decoding device202010,600,430Signal decoding method, audio signal decoder and non-transitory computer-readable medium202010,546,592Audio signal coding and decoding method and device202010,546,589Method and device for decoding signal202010,482,892Very short pitch detection and coding201910,388,295Method for predicting bandwidth extension frequency band signal, and decoding device201910,249,315Method and apparatus for detecting correctness of pitch period201910,236,002Method and device for decoding signal201910,089,997Method for predicting high frequency band signal, encoding device, and decoding device201810,089,995Vector joint encoding/decoding method and vector joint encoder/decoder20189,984,697Audio signal coding and decoding method and device20189,972,326Method and apparatus for allocating bits of audio signal20189,899,033'Signal coding and decoding methods and devices'20189,881,626'Vector joint encoding/decoding method and vector joint encoder/decoder'20189,875,749Method for predicting bandwidth extension frequency band signal, and decoding device20189,830,914Method and device for decoding signal20179,786,293'Signal coding and decoding methods and devices'20179,741,357'Very short pitch detection and coding'20179,704,500'Method for predicting high frequency band signal, encoding device, and decoding device'20179,704,498'Vector joint encoding/decoding method and vector joint encoder/decoder'20179,672,830'Voice signal encoding and decoding method, device, and codec system'20179,633,666'Method and apparatus for detecting correctness of pitch period'20179,626,972'Method and device for decoding signal'20179,537,694'Signal coding and decoding methods and devices'20179,530,420'Method and apparatus for allocating bits of audio signal'20169,424,850'Method and apparatus for allocating bit in audio signal'20169,404,826'Vector joint encoding/decoding method and vector joint encoder/decoder'20169,361,904'Method for predicting bandwidth extension frequency band signal, and decoding device'20169,153,245'Pitch detection method and apparatus'20159,105,263'Audio signal coding and decoding method and device'20159,099,099'Very short pitch detection and coding'20158,930,200'Vector joint encoding/decoding method and vector joint encoder/decoder'20158,843,366'Framing method and apparatus'20148,831,961'Preprocessing method, preprocessing apparatus and coding device'20148,812,307'Method, apparatus and system for linear prediction coding analysis'20148,712,763'Method for encoding signal, and method for decoding signal'20148,682,645'Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer'20148,571,112'Specification method and apparatus for coding and decoding'20138,566,085'Preprocessing method, preprocessing apparatus and coding device'20138,560,329'Signal compression method and apparatus'20138,515,744'Method for encoding signal, and method for decoding signal'20138,489,405'Compression coding and decoding method, coder, decoder, and coding device'20138,396,716'Signal compression method and apparatus'20138,320,265'Method and apparatus for obtaining an attenuation factor'20128,200,481'Method and device for performing frame erasure concealment to higher-band signal'20127,957,961'Method and apparatus for obtaining an attenuation factor'20117,835,906'Encoding method, apparatus and device and decoding method'20107,835,912'Signal processing method, processing apparatus and voice decoder'20107,552,048'Method and device for performing frame erasure concealment on higher-band signal'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2021Patents assigned to HUAWEI TECH CO LTD (51)· patent assignee history
2009–2021Based in Shenzhen, CN· patent location history
2012–2015Patents assigned to MIAO LEI (11)· patent assignee history
2012–2015Patents assigned to QI FENGYAN (11)· patent assignee history
2012–2015Patents assigned to ZHANG QING (10)· patent assignee history
2012–2015Patents assigned to XU JIANFENG (8)· patent assignee history
2013–2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUAWEI TECH CO LTD | 51 | 2009–2021 |
| MIAO LEI | 11 | 2012–2015 |
| QI FENGYANself | 11 | 2012–2015 |
| ZHANG QING | 10 | 2012–2015 |
| XU JIANFENG | 8 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shenzhen, CN | 36 | 2009–2021 |
| Beijing, CN | 15 | 2013–2020 |