| 摘要 |
PURPOSE: A memory guard is provided to record the sound around a user during all day and to reproduce the content recorded at a specific time if there is no memory corresponding to the specific time. CONSTITUTION: A memory guard comprises a sound recording device and an embedded device. The sound recording device enables the voice to be recorded. The embedded device is formed for a user to be able to search the file recorded. The embedded device finds and outputs recorded content corresponding to a specific time. The memory guard filters not to be stored in case there is no voice.
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