Silencer testing technology - SAS Impulsive Noise

General silencer discussion. If you want to talk about a specific silenced rifle or pistol, it is best to do that in the rifle or pistol section for that brand.

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sasgun
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Joined: Mon Jan 07, 2019 2:31 pm

Silencer testing technology - SAS Impulsive Noise

Post by sasgun » Thu Jul 25, 2019 8:47 am

I've been doing design a program custom to for popular and low-cost USB interfaces 192khz 24-bit ADC,which allows to measure as high as 180db, that could be used The silencer testing.

Screenshot of SAS Impulsive Noise Interface

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The trial version of SAS Impulsive Noise System use one Microphone only. :wink:

Trial Download

sasgun
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Posts: 4
Joined: Mon Jan 07, 2019 2:31 pm

Re: Silencer testing technology - SAS Impulsive Noise

Post by sasgun » Fri Aug 02, 2019 9:49 am

Anyone test the program and presented some results?
updates software Ver 2 and the possibility of exporting the results to the CSV file on the desktop.

software Ver2.1

sasgun
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Posts: 4
Joined: Mon Jan 07, 2019 2:31 pm

Re: Silencer testing technology - SAS Impulsive Noise

Post by sasgun » Thu Sep 12, 2019 7:44 pm

Originally Posted By movingalong from AR15.com:
Finally got out and did a quick test using sas_77 program. Used my LMT MWS in .308 16" barrel, YHM Phantom SS .30 cal can, ZQI 7.62Nato ammo. On the sound side: GRAS 46BG mic/preamp combo, GRAS 12AL mic power supply, M-Audio M-Track 2X2M ADC. Calibrator is Larson Davis/PCB CAL-200, which supplies a 1khz tone at 114db.
Unsuppressed
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Suppressed with Phantom SS:
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Acceptable results with low-cost USB interfaces 192khz 24-bit ADC.

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