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Old 22nd December 2012, 05:55 PM   #1
regal is offline regal  United States
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Default decent soundcard for measuremets

I had the TOL Asus soundcard and it made good measurements but it couldn't do 44.1, 88.2, or 176.4 so I sold it in haste. I have a buffer setup for attenuating signals before a soundcard ADC.

I have a newer motherboard that was incompatible with my EMU 1616 PCI since the PCI slot isn't part of the H67 chipset (legacy slot.)

Just looking for USB and a quiet noise-floor, nothing too expensive.

Looks like the best bet is an EMU 0202 USB for taking decent measurements with Arta, RMAA, Audiotester, etc. Any other suggestions before I buy it ?
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Old 23rd December 2012, 02:56 PM   #2
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I believer the E-MU 0202was discontinued. I am quite happy with the E-MU 0204 (USB), except that I had to modify it to have 48V phantom power. E
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Old 23rd December 2012, 03:07 PM   #3
regal is offline regal  United States
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the USB 0204 doesn't have a digital output does it?


I found this but the specs on the wolfson adc are poor:

QA01 USB to SPDIF Digital Sound Card Analog to SPDIF Coaxial Optical Converter | eBay
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Old 29th January 2013, 11:37 PM   #4
Telstar is offline Telstar  Italy
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Did you consider TI pcm4222 evaluation board and just your motherboard spdif input?
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Old 30th January 2013, 03:58 AM   #5
Frex is offline Frex  France
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Hello,

For good audio ADC/DAC low cost sound card, you can look the ESI Juli@ that exist in
PCI or PCIe version (internal only).
All I/O (analog and digital) support 24 bits 192kHz resolution.Very good driver and much more stable
than EMU hardware.
Regards.

Frex
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Old 30th January 2013, 10:14 AM   #6
Telstar is offline Telstar  Italy
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I need USB.
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Old 30th January 2013, 10:45 AM   #7
regal is offline regal  United States
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Quote:
Originally Posted by Telstar View Post
I need USB.
I agree, not many motherboards have a 24/192 spdif input, at least one I would trust for measurements, with these new inexpensive asynch usb interfaces like CM6331 you would think someone would throw a good adc on one.

Last edited by regal; 30th January 2013 at 10:55 AM.
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Old 30th January 2013, 11:27 AM   #8
Telstar is offline Telstar  Italy
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In other thread, someone suggested the minidsp usbstreamer + some ADC that outputs i2s (such as the pcm4222) - it would be a nice solution, in one box, but I have no idea of the HF performance of this converter.

BTW I dont think jitter matters when we just want to measure a FFT.
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Old 30th January 2013, 11:53 AM   #9
regal is offline regal  United States
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Quote:
Originally Posted by Telstar View Post
In other thread, someone suggested the minidsp usbstreamer + some ADC that outputs i2s (such as the pcm4222) - it would be a nice solution, in one box, but I have no idea of the HF performance of this converter.

BTW I dont think jitter matters when we just want to measure a FFT.
Well if you believe in that multi thousand dollar ADC where reviewers are running J-test etc, then there is some group of folks who believe it does. I think the technology is there to match that device for a fraction of the cost.
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Old 30th January 2013, 12:04 PM   #10
Telstar is offline Telstar  Italy
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I believe jitter influences the sound, but not the harmonic spectra. Am I right or wrong?
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