Smart Speaker Solution Introduction
1.1. Smart Speaker Solution Introduction
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- Power supply：Battery; 5V/2A,5V/1A AC/DC powers adapter or PC USB power supply
- Storage：128MB SPI NAND Flash;
- Audio out：Audio Right/Left; PWM analog audio output;
- MIC array：4 channels PDM interface support 8 DMIC audio inputs at most; There is one BIAS power supply for every PDM;
- Connectivity：Use SDIO interface to connect WIFI module and use UART interface connect BT module;
- USB：One USB2.0 HOST interface and one USB2.0 Slave interface;
- OS：YodaOS based on Linux kernel;
- Cloud platform：Access Rokid voice service cloud platform by default; The 3rd cloud platform also can be accessed.
- Low power design：Through Voice subsystem(MCU+DSP), low power voice wakeup modules can be supported on K18;