Category:Qiyong Liu

Qiyong Liu

Executive Summary

Qiyong Liu is an inventor who has filed 7 patents. Their primary areas of innovation include Arrangements for multi-party communication, e.g. for conferences (data switching systems for conference (4 patents), {in which the audio signals are in digital form, i.e. employing more than two discrete digital channels (data reduction aspects thereof based on psychoacoustics (3 patents), Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved (3 patents), and they have worked with companies such as Zoom Video Communications, Inc. (7 patents). Their most frequent collaborators include (6 collaborations), (2 collaborations), (1 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• H04L65/403 (Arrangements for multi-party communication, e.g. for conferences (data switching systems for conference): 4 patents
• H04S3/008 ({in which the audio signals are in digital form, i.e. employing more than two discrete digital channels (data reduction aspects thereof based on psychoacoustics): 3 patents
• H04S2400/01 (Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved): 3 patents
• H04S7/303 ({Tracking of listener position or orientation}): 2 patents
• H04S2400/11 (Positioning of individual sound objects, e.g. moving airplane, within a sound field (): 2 patents
• H04S2420/01 (Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]): 2 patents
• H04S7/305 ({Electronic adaptation of stereophonic audio signals to reverberation of the listening space (): 1 patents
• H04S2400/15 (Aspects of sound capture and related signal processing for recording or reproduction): 1 patents
• G10L21/0232 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L17/02 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• G10L25/18 (SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING): 1 patents
• H04M3/568 (Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities (video conference systems): 1 patents
• G10K11/17823 (by electro-acoustically regenerating the original acoustic waves in anti-phase): 1 patents
• G10K11/1752 (SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR): 1 patents
• G10K11/17854 (by electro-acoustically regenerating the original acoustic waves in anti-phase): 1 patents
• G10K11/17873 (by electro-acoustically regenerating the original acoustic waves in anti-phase): 1 patents
• H04R3/005 ({for combining the signals of two or more microphones (specially adapted for hearing aids): 1 patents
• H04R5/027 (Spatial or constructional arrangements of microphones, e.g. in dummy heads): 1 patents
• G10K2210/108 (SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR): 1 patents
• G10K2210/3027 (SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR): 1 patents
• G10K2210/3028 (SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR): 1 patents
• G10K2210/3044 (SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR): 1 patents
• H04L1/08 (by repeating transmission, e.g. Verdan system {(): 1 patents
• H04L1/0009 ({by adapting the channel coding (): 1 patents
• H04L1/0045 ({Arrangements at the receiver end}): 1 patents
• H04L1/0076 ({Distributed coding, e.g. network coding, involving channel coding (coding in both space and time): 1 patents
• H04L1/1867 (Automatic repetition systems, e.g. Van Duuren systems): 1 patents
• H04L43/0829 (Packet loss): 1 patents
• H04L65/70 (Media network packetisation): 1 patents
• H04L65/80 (Responding to QoS): 1 patents
• H04N7/15 (Conference systems): 1 patents
• H04N7/152 (Conference systems): 1 patents
• H04N19/136 (Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]): 1 patents
• H04N19/172 (the unit being an image region, e.g. an object): 1 patents
• H04N19/177 (the unit being an image region, e.g. an object): 1 patents
• H04N19/179 (the unit being an image region, e.g. an object): 1 patents
• H04L1/007 ({Unequal error protection (for format): 1 patents
• H04L2001/0093 (TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication): 1 patents
• G10K15/08 (SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR): 1 patents

Companies

List of Companies

• Zoom Video Communications, Inc.: 7 patents

Collaborators

• Zhaofeng Jia of Saratoga CA (US) (6 collaborations)
• Mengfan Zhang of Mountain View CA (US) (2 collaborations)
• Xiangming Zhu (1 collaborations)
• Jiachuan Deng (1 collaborations)
• Cheng Lun Hu (1 collaborations)
• Zhengwei Wei (1 collaborations)
• Da-Yi Wu (1 collaborations)
• Oded Gal of Palo Alto CA (US) (1 collaborations)
• Lin Han of Los Altos CA (US) (1 collaborations)
• Zhenghang Gu of San Jose CA (US) (1 collaborations)
• Ye Wang (1 collaborations)
• Zexian Wu (1 collaborations)
• Chunyu Zhang (1 collaborations)
• Jing Wu (1 collaborations)
• Bo Ling of Saratoga CA (US) (1 collaborations)
• Yang Liu (1 collaborations)