Offline Speech Recognition Technology and Solution Design

1. Speech Recognition Technology Overview

Speech recognition technology is divided into online speech recognition and offline speech recognition. Offline speech recognition does not require internet connection, offering fast response and good privacy.

2. Offline Speech Recognition Principle

Offline speech recognition mainly includes steps such as speech acquisition, preprocessing, feature extraction, and pattern matching.

3. Chip Selection

Common offline speech recognition chips include NRK series, CI series, Fengjie series, etc., each with its own characteristics.