[sdiy] Cheap audio spectrum analyzer

Roman Sowa modular at go2.pl
Mon Oct 26 17:32:35 CET 2015


on sumer cheap side:
standalone audio analyzer with 128x64 LCD screen

Velleman kit K8098 about 40EUR

Roman

W dniu 2015-10-26 o 15:43, Jean-Pierre Desrochers pisze:
> Hi Ritchie,
> Did you notice the price tag for these things ??
> $1500 and more...
>
> I was just thinking of a Raspberry PI DIY audio analyzer project
> that could connect on a small VGA screen. Easy to put around my test
> equipments
> taking lots of place so far ....
> I'll do some looking on the web.
> Thanks anyway.
>
> Le 2015-10-26 10:34, Richie Burnett a écrit :
>
>> https://www.omicron-lab.com/bode-100/product-description.html [1]
>>
>> These are relatively cheap and very capable instruments with a
>> built-in tracking generator.
>>
>> Any particular reason why you don't want to use a laptop, audio
>> interface and software bundle? This would probably represent the best
>> tradeoff between cost/performance with minimal effort required on your
>> part.
>>
>> -Richie,
>>
>> -----Original Message----- From: Jean-Pierre Desrochers
>> Sent: Monday, October 26, 2015 1:58 PM
>> To: Synth-diy at synth-diy.org
>> Subject: [sdiy] Cheap audio spectrum analyzer
>>
>> Hi list,
>> Do you know of a cheap audio spectrum analyzer I could
>> buy to check 20-20khz frequency response on audio stuff ?
>> That would includes sinus generator + analyzer in the same box.
>> I checked on eBay and most analyzers are RF band based and are
>> so $$$$$ expensives. But 2 things:
>> - I don't want to use analysis software on a separate PC
>> - Any DIY projects with micro/graphic LCD would do..
>> I want a standalone analyzer.
>> Thanks
>>
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>
>
>
> Links:
> ------
> [1] https://www.omicron-lab.com/bode-100/product-description.html
> [2] http://synth-diy.org/mailman/listinfo/synth-diy
> [3] http://www.avg.com
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