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Didi Tech
Didi Tech
Nov 5, 2020 · Artificial Intelligence

Self-Learning Platform for Speech Recognition Model Optimization at DiDi

DiDi’s self‑learning ASR platform lets non‑technical users upload business data, automatically train, test and deploy models with semi‑supervised learning, hot‑word updates and LSTM rescoring, creating a closed‑loop pipeline that boosted vehicle voice‑interaction accuracy from around 80 % to over 95 % within months.

AISemi-supervised Learningacoustic model
0 likes · 14 min read
Self-Learning Platform for Speech Recognition Model Optimization at DiDi
Tencent Cloud Developer
Tencent Cloud Developer
Aug 25, 2019 · Artificial Intelligence

Understanding Intelligent Speech Recognition Technology

Intelligent speech recognition converts spoken audio to text using a pipeline of feature extraction, acoustic and language modeling, where deep neural networks—especially CNN, LSTM, and hybrid CLDNN architectures—drive high accuracy, enabling mobile voice input, call‑center transcription, legal record keeping, and Tencent Cloud ASR’s 97% Mandarin accuracy with speaker separation and on‑premises deployment.

AITencent Cloudacoustic model
0 likes · 7 min read
Understanding Intelligent Speech Recognition Technology