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| Audio via Sound Card Line In and Spectrum Analyzer |
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| kirk spec:
Hi, I want my analog audio to be inputted into a PC spectrum analyzer software. What is the best sound card/interface/system that can do this with minimal distortion? Is this related to Total Harmonic Distortion? I don't want the frequency of the original analog audio to be altered. So I want it to pass through the line in and into the PC software itself. If the recording quality of a sound interface or card is good. Does it automatically mean the Line In audio would be good too. What is the relationship between recording and pass through (what is the right term?) And what sound card/interface/system can you recommend? Thank you. |
| Anthocyanina:
you could try waveforms, made by digilent. i havent tried it with a soundcard, but know it supports it, and it is a really good software Edit: disregard, i misread your question as asking for spectrum analyzer software that works with a soundcard :palm: |
| dobsonr741:
I have the Behringer U-PHORIA UMC202HD for this purpose. It has the XCMOS cpu, price is reasonable while the guts are the same as the higher priced ones. Read about the pros and cons here: https://www.diyaudio.com/community/threads/behringer-umc-202hd-for-measurements.341309/ |
| kirk spec:
What do you think of the Xtuga E22 2i2 (cheaper than the Behringer) and the more expensive Focusrite Scarlett 2i2 USB Audio Interface (3rd Generation)? So if the recording is good. Pass through via Line In is automatically good? Also if I just use a data acquisition board, can I use any spectrum analyzer software real time? Or does real time only mean a sound card is required? And why can't data acquisition board give real time spectrum analyzing? |
| Fungus:
--- Quote from: kirk spec on July 12, 2023, 04:28:55 am ---What do you think of the Xtuga E22 2i2 (cheaper than the Behringer) and the more expensive Focusrite Scarlett 2i2 USB Audio Interface (3rd Generation)? --- End quote --- It's not going to make any difference to the spectrum analyzer. --- Quote from: kirk spec on July 12, 2023, 04:28:55 am ---So if the recording is good. Pass through via Line In is automatically good? --- End quote --- Yes, but it's not important. Just get one of these if you want perfect passthrough: |
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