| 单词 | delta pulse code modulation | 
| 释义 | delta pulse code modulation [`del·tǝ ¦pǝls ´kōd ´mäj´ǝ`lā·shǝn]  ELECTRONICS A modulation system that converts audio signals into corresponding trains of digital pulses to give greater freedom from interference during transmission over wire or radio channels.  | 
	
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