Speech Recognition

The ESP-ADF comes complete with speech recognition interface to recognize voice wakeup commands. Most of currently implemented wakeup commands are in Chinese with one command “Hi Jeson” in English.

Provided in this section functions also include automatic speech detection, also known as voice activity detection (VAD), and speech recording engine.

The Speech Recognition API is designed to easy integrate with existing Audio Framework to retrieve the audio stream from a microphone connected to the audio chip.

In This Section

• Speech Recognition Interface
• Voice Activity Detection
• Recorder Engine