| 摘要 |
A digital sampling playback doorbell system has two or more doorbell buttons and a central unit with solid state memory storage for multiple digitally sampled sound files. User assignment means are provided for assigning a particular sound file to a particular doorbell button. The digital sampling playback doorbell has cil.'puter interface of RS-232, or USB, or infrared wireless connection type and relies on computer installed software to download digitally sampled sound files stored in the computer hard drive to the memory of the digital sampling playback doorbell system central unit. The digitally sampled sound files stored in the computer hard drive are obtained by accessing a web site through the Internet or capturing sound through an audio computer connection to a microphone, CD player, radio broadcast or mass music storage device using software resident in the computer.
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