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《Audio Engineering》 1991-03
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DMA Format Acoustic Signal Data Acquisition System

Li Zhaoli  
The DMA format data acquisition system used in the acoustic signal is introduced and it can also collect 8-cbannel analog signals simultaneously in this paper. The frequency of acquisition is optional at 0~45kHz. This system which can work together with a microcomputer may be applied to the test of electroacoustic performances of TV sets and audio recorders and acquisition analysis of various kinds of acoustic signals etc.
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