voice activity detection

58 Tech

May 31, 2021 · Artificial Intelligence

Practical Implementation of Voice Activity Detection (VAD) for Streaming and Offline Scenarios at 58.com

This article presents the design, training, deployment, and evaluation of a self‑developed Voice Activity Detection system used in both real‑time streaming dialogues and offline audio analysis at 58.com, detailing algorithm choices, smoothing strategies, engineering challenges, and future research directions.

AIOffline ProcessingSpeech Recognition

0 likes · 18 min read

Practical Implementation of Voice Activity Detection (VAD) for Streaming and Offline Scenarios at 58.com

58 Tech

Nov 16, 2020 · Artificial Intelligence

Iterative Optimization of Voice Endpoint Detection for Voice Robots: From Dual‑Threshold to WebRTC VAD and VADNet

This article details the evolution of the voice endpoint detection (VAD) module in 58.com’s voice robot, comparing a dual‑threshold method, Google’s WebRTC VAD, and the deep‑learning based VADNet, and presents experimental results on accuracy, recall, F1 score and online latency.

CRNNReal-time CommunicationVAD

0 likes · 14 min read

Iterative Optimization of Voice Endpoint Detection for Voice Robots: From Dual‑Threshold to WebRTC VAD and VADNet

Tencent Cloud Developer

Aug 28, 2018 · Game Development

Noise Reduction Techniques for Gaming Voice Chat in Internet Cafés Using Tencent Cloud GME

Tencent Cloud Gaming Multimedia Engine (GME) tackles the intense, non‑stationary background noise of internet cafés by employing a specialized voice‑activity detection algorithm combined with mean removal, low‑pass and numerical filtering, enabling it to isolate a primary speaker’s voice and suppress surrounding chatter, clicks, and music for clear in‑game communication.

GMETencent Cloudgaming audio

0 likes · 10 min read

Noise Reduction Techniques for Gaming Voice Chat in Internet Cafés Using Tencent Cloud GME