Block Diagram and Operation Audio analyzer

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block diagram of closed-loop testing audio analyzer



the signal analyzer can provide control both audio generator , audio input stages, assuring test conditions met. permits precise time relationships between stimulus , response of dut determined.



block diagram of open-loop testing audio analyzer



in open-loop test, signal analyzer has no control on audio source driving dut, , user must take care ensure source providing signal of appropriate characteristics. open loop tests useful measuring duts have no direct signal input, such cd or mp3 player.







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