Which USB Sound Card to buy?

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Hello, I am looking for a usb sound card for doing acoustic measurements on my laptop which just has an headphone out.
so Which sound card i should look into?
Any guide for buying a usb sound card for acoustic measurements will be very nice🙂
 
USB drivers usually have latency issues that make measurements complicated.

Most pro audio manufacturers get around this by using custom ASIO to USB driver. The Berry in question does not.

The entry-level Focusrites do, but they are quite a bit more expensive.
 
Hi

My experience would be limited to my own setup, I use a EMM-6 mic with studio interfaces and a small mixer with phantom power and mic preamps.

A Focusrite 2i2 should be able to do this entire job when partnered with the EMM-6 or other mic. Mine is a legacy setup but if I were buying today, this is probably what I would get.

I suppose the USB version of the EMM-6 would not even need a soundcard.

The other interesting product is the iMM-6 (?) which works quite well for field measurements and should be able to plug directly into you laptop's mic port with a suitably wired converter.

Both the latter options would be using converters of questionable quality, but for speaker measurements I suppose they'd be alright.
 
Thanks!
The Focusrite 2i2 is out of my budget..
As i'm just started to learn this stuff,Won't the Behringer UCA222 work for this ?
And also, what measurement microphone you suggest (available in india) for this?
 
Calibration of each individual capsule is unique, variations of a few dB is part of the manufacturing process and will impact your results. If you can get your capsule calibrated, it will be worth the added expense.

The last time I spoke to a mfr they used a 24x7 temperature-controlled anechoic chamber with a B&K test suite costing over $20,000. I was not able to pry any details of the exact suite out of them, or whether they were telling the truth as I never saw it in action.

Closer home, Peerless India has a more modest setup but is probably sufficient for the level of speakers they make. Foamed anechoic chamber and LMS. Not sure about the electronics.
 
Calibrated microphone is totally needed. Also needs to be re-calibrated every few years as the capsule changes its properties with time.

Else looks all right.

20k is not always needed. For a multi-million dollar manufacturer, it is small change.

The Stereophile reviews of speakers have a small intro on their setup, expensive by hobbyist standards but still accessible enough.
 
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I’m going through the pain of selecting an external sound card for my laptop. My main aim is to provide a hi-res signal for either Audacity or software based test equipment with a secondary aim of running the sound card to link my media player (JRivers) to my HiFi (a secondary system). I have no need for more than 2 channel output.

Taking note of the comments made above, the Focusrite Scarlett 2i2 looks suitable although the model above, the 2i4, has RCA unbalanced o/p’s making it more practical to use. See here .

Do those experienced in these matters consider the 2i4 a good choice particularly for test equipment use or is there a better solution at around the same price (<£150). My main area of interest is in phono amps so a high performing FFT is something I’m looking for.

Thanks for any guidance given.
 
You can buy the Asus XONAR U-3 external USB sound card, I have it and can vouch for its quality. Extremely easy to use, affordable, and quality of Asus.

It works pretty well on Windows as well as Linux. I got it from here :
Buy Online ASUS Xonar U3 Sound Card in India

Pretty fast shipping and reliable source.

Also, I have the UMM-6 measurement Microphone from Dayton which I got through someone in the US. The IMM-6, EMM-6 and UMM-6 are all similar.

EMM-6 is designed for Analog inputs, and probably needs its own pre-amp / phantom power, not sure. You will Probably need to have Audio Line Input facility to use it and it may need more ancillary devices like power, pre-amp etc.

IMM-6 is the tiny version, which works on Tablets(namely the Apple ones) since they use the TRSS jack(the one to which you connect the hands free headset). Apple loves to show the nose the other way round by changing their connector pins. But, I think, later Android devices follow the same TRSS pin layout as the Ipads. SO probably it will work fine with Newer Android Tablets too.

UMM-6 is the USB version(OS recognizes it as an Input device - Mic), I would rather say, this would be your best bet, since, I have confirmed it working on Windows/Linux and also Android (Nexus 7 2013). By far, this would be the most usable one of all of the 3 above.

I have posted a message regarding its usage in one of the forums here, but I am waiting for its approval to be posted. When it is approved and is available online, I will post the link here. I think, it will appear here Equipment & Tools - diyAudio when it is approved.


UPDATE : they post is approved, here it goes : http://www.diyaudio.com/forums/equipment-tools/273836-dayton-umm-6-usb-pc-android.html
 
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Thanks for your reply and suggestion.

The resolution of the Asus device is not really high enough and as I has more funds available I would rather spend the money on something that better fulfils my various requirement. To this end, and having spent more time looking around, the Tascam US-366 is my choice at the moment. It has a high resolution than the Focusrite 2i4, RCA i/p's and o/p's (which enable easier interface for both test equipment use and audio o/p) and is quite compact. The Tascam brand also has know provenance.

If anyone has used this USB Soundcard it would be good to hear your views.
 
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