Inventor

SUN HAOHAI

NO19 patents

⚠️ This page may combine multiple inventors who share the name “SUN HAOHAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUN HAOHAI

CISCO TECH INC

Microphone mute/unmute notification

Full-duplex adaptive echo cancellation in a conference endpoint

Techniques to mitigate the effect of blocked sound at microphone arrays in a telepresence device

Soundfield decomposition, reverberation reduction, and audio mixing of sub-soundfields at a video conference endpoint

Acoustic echo control for automated speaker tracking systems

Directional audio pickup in collaboration endpoints

Spatial interference suppression using dual-microphone arrays

Spatial interference suppression using dual-microphone arrays

Full-duplex adaptive echo cancellation in a conference endpoint

Binaural audio encoding/decoding and rendering for a headset

Automated collaboration system

Precise tracking of sound angle of arrival at a microphone array under air temperature variation

Directional audio pickup in collaboration endpoints

Ultrasound pairing signal control in a teleconferencing system

Determination, display, and adjustment of best sound source placement region relative to microphone

Soundfield decomposition, reverberation reduction, and audio mixing of sub-soundfields at a video conference endpoint

Joint acoustic echo control and adaptive array processing

Hybrid horn microphone

VAION LTD

Video camera