Smart Home Audio(325)

NuSpeech Series

NuSpeech is a high sound quality Voice Synthesizer with advance 5-bit MDPCM algorithm. It includes 4-bit uC and GPIO share with CPU I/F to communicate with external MCU and PWM output to playback voice. With help of evaluation board, NV-584VP, it is easy to define voices combination and implement code quickly.


• Home Appliance Voice Module
• Medical Voice Module
• Smoke Detector Voice Module

• Counting Machine Voice Module
• Control Panel Voice Module


• Wide operation voltage 2.2~5.5V
• Embedded 2Mbit OTP
• System clock: 8MHz, generate by Ring
• H/W synthesis 1-ch w/ 5-bit MDPCM
• Build PWM to drive speaker directly

• Provide Watch Dog Timer
• Low Voltage Reset (LVR) to avoid lock up
• Provide CPU interface share with GPIO
• Package type: Die form or SOP20

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