58 Tech
Jun 3, 2020 · Artificial Intelligence
Speaker Verification System for Detecting Spam Calls in 58 Used‑Car Platform
This article describes how the 58 used‑car team built a speaker‑verification pipeline—covering data collection, MFCC feature extraction, LSTM and GMM modeling, threshold tuning, multi‑speaker clustering, and deployment results—to automatically block nuisance telemarketing calls while preserving user privacy.
Deep LearningGMMLSTM
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