Support single button, press recording, lift to stop recording

Support playback of audio source files for spiflash

Support for voice change following reading

Supports voice dialogue and speech recognition

Supports flexible software control with multiple GPIO inputs and outputs

Support standby low-power mode

Supports chip built-in flash. Single chip voice toy solution

The chip has a built-in 32K SRAM. 512K bytes of flash

The main frequency clock can run to 40K

Multiple chip packages, such as SOP16, SSOP24, etc

Support MIDI audio decoding and playback

Support seamless loop playback