The HT68FV022 is a voice peripheral MCU. It includes an internal 16Mbit voice flash memory that can be repeatedly updated with up to 400 seconds of voice content, and a pair of 12-bit PWM high current outputs that can directly drive a 0.5W speaker. It's suitable for voice applications, such as smart home appliances, consumer electronic products, etc.
The HT68FV022 can be used with the development platform, Voice Workshop, provided by Holtek. In the workshop, you can edit up to 128 voices and 96 sentences, and it provides ADPCM, u-Law, and PCM voice compression modes.