PC Dac Measurement

supra · 14th July 2009, 12:21 AM

I find it surprising that it one cannot use a PC program to output a digital test signal, square or sine wave, in real time, to the SPDIF or USB input of a dac and then use a PC scope to read the result on the same computer.
Seems it would be a really useful tool to me that plenty of us would use- where are the program writers when you need them?

phofman · 14th July 2009, 12:54 PM

Why couldn't you simply output a test signal to the correct sound card output and sample with a PC scope at the same time?

14th July 2009, 12:21 AM	#1
supra diyAudio Member Join Date: Jul 2004 Location: Margaret River West Australia	PC Dac Measurement I find it surprising that it one cannot use a PC program to output a digital test signal, square or sine wave, in real time, to the SPDIF or USB input of a dac and then use a PC scope to read the result on the same computer. Seems it would be a really useful tool to me that plenty of us would use- where are the program writers when you need them?

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14th July 2009, 12:54 PM	#2
phofman diyAudio Member Join Date: Apr 2005 Location: Pilsen	Why couldn't you simply output a test signal to the correct sound card output and sample with a PC scope at the same time?