Intelligent door lock double-platform voice playing device and implementation method
A smart door lock and voice playback technology, which is applied to transducer circuits, sound input/output, instruments, etc., can solve the problems of smart door lock application constraints, voice files are not easy to be too large, and sound duration is limited, so as to increase the number of products Market competitiveness, long recording time, performance-enhancing effects
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[0015] figure 1 As shown in , a dual-platform voice playback device for smart door locks includes a single-chip microcomputer and ARM LINUX, and the single-chip microcomputer and ARM LINUX are respectively used as the prompt sound input and playback platform of the smart door lock body, the voice audio input and playback platform, and the single-chip playback platform It does not interfere with each other when working with the ARM LINUX playback platform; the input and playback of the prompt sound is realized by the MCU playback platform, and the input voice audio and the playback of the input voice are realized by the ARM LINUX playback platform, and the voice duration of the ARM LINUX input will not Restricted, ARM LINUX has a stronger processing capability than MCU, and the input voice audio is not compressed and down-sampled, and is output with CD-level sound quality. The single-chip microcomputer playback platform pre-stores and records the prompt sound for operating the ...
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