| 摘要 |
<p>A language practising set, which can, under recording state, store voice signals, by means of a voice synthesizer, into a memory with different addresses, through different coding holes 20...24 on each of the message cards 4. Upon replay, the various coding holes on the message cards are decoded and the voice signals are replayed through the voice synthesizer. A mother of a child can record her voice concerning a picture 26 for combined voice-and-picture teaching. The set could be used to record telephone calls. <IMAGE></p> |
