| 摘要 |
The numeric keyboard device of the present invention includes a key matrix, an audio I/O module for sending and receiving audio signals, an audio microprocessor for processing audio signals sent and received by the audio I/O module, an MCU that scans the key status of the key matrix, and a function switch that sends a first command to the key matrix to be further processed by the MCU and such that after processing said first command, the MCU sends an interrupt signal to the audio microprocessor to generate an enable signal that activates a voice interaction mode of the numeric keyboard device of the present invention.
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