当你走在大街上,时常会看到,随着机动车前后缓缓移动,耳边送来一声女高音“倒车、请注意！倒车,请注意……” 这是近几年发展起来的一种“声音越大规模集成电子器件”在模仿人的声音。人的声音,包括音形、音调、音色、音强等。所谓模拟,就是把这些转化为二进制的“0”或“1”数。用电子学中的术语说就是“模——数转换”(A—D转换)。当要把“请注意,倒车” When you walk in the street, you will often see that as the motor car slowly moves back and forth, a soprano is heard from the ear. “Please reverse the car, please note! Reversing, please note ...” This is a development in recent years The kind of “bigger sound integrated electronics” mimics people’s voices. Human voice, including tone shape, tone, tone, tone strength and so on. The so-called simulation, is to convert these into binary “0” or “1” number. In electronics terminology is the “analog-digital conversion” (A-D conversion). When you want to “Please note that reversing”