A new type of Tibetan Braille learning machine is designed. The system uses SPCE3200 as the main control chip, realizes mode selection and Braille training through an external Braille keyboard, stores and calls corresponding voice resources in the external Flash (SD card) according to a certain algorithm, uses the SPCE3200\'s built-in decoder and two 16-bit fast analog-to-digital converters (DAC) to complete the playback of MP3 and WAV format files, and realizes dual-channel stereo output of sound through the SPY0030 amplifier.
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