| 摘要 |
A voice recording and playback apparatus includes a memory unit having addressable memory regions, a voice input unit for converting a user voice input into an electrical signal, and a processor for storing the electrical signal from the voice input unit as a voice message in the memory unit. A recording address generator, which includes a recording address decoder and a plurality of recording switches for connecting a respective input of the recording address decoder to a voltage source, provides a corresponding recording address to the processor to enable the latter to store the voice message in a corresponding one of the memory regions of the memory unit when one of the recording switches is closed. A playback address generator, which includes a playback address decoder and a plurality of playback switches for connecting a respective input of the playback address decoder to the voltage source, provides a corresponding playback address to the processor to enable the latter to retrieve the voice message in a corresponding one of the memory regions of the memory unit when one of the playback switches is closed. An alarm system which incorporates the voice recording and playback apparatus is also disclosed.
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