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Author Topic: Instrumentation Query - Audio Logger  (Read 2333 times)

Shane Ervin

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Instrumentation Query - Audio Logger
« on: April 21, 2004, 10:37:05 am »

Hi everyone,

 As an acoustics consulting firm, we get a wide variety of projects. Recently, we've been asked to investigate the mechanical systems of a 40-yr old condo bldg.  The retiree owner/ occupants hear "strange bumps in the night".  Unfortunately, the pesky sound never shows up when we're on site to pin down its source.

 We've tried a laptop with Sound Forge running overnight, but post-processing is a big chore.  And get this: the 1st unit in which we deploy it is occupied by a nice older lady who uses a MAC and (understandably) balked at the prospect of having to deal with the MS-Windows environment!

 So, we're trying to source (or develop) an easy to use "Audio Logger" with the following feature set:
- digital audio recorder
- 12 to 24 hrs capacity in some modes
- sample rates from 8k to 44.1k
- mic pre-amp & input connector (XLR & phantom pwr)
- line level input & connector (for B&K SLM analog o/p recording)
- post-trigger capture mode (to prevent recording silence)

 Here's a link to a much more sophisticated Audio Logger than we need.  

http://www.globalspec.com/Goto/GotoWebPage?gotoUrl=http%3A// www.cvdsinc.com/&gotoType=WebHome&Comp=2438&Cont extSection=ListSite&VID=112688&comp=243

 Any pointers or suggestions are most welcome!
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Shane

Robert McTigue

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Re: Instrumentation Query - Audio Logger
« Reply #1 on: April 21, 2004, 10:47:34 am »

Shane E. wrote on Wed, 21 April 2004 10:37

Hi everyone,

 As an acoustics consulting firm, we get a wide variety of projects. Recently, we've been asked to investigate the mechanical systems of a 40-yr old condo bldg.  The retiree owner/ occupants hear "strange bumps in the night".  Unfortunately, the pesky sound never shows up when we're on site to pin down its source.

 
 Any pointers or suggestions are most welcome!


Give this site a try ... You should be able to find the software you need and you might need ti call them about setting up a system for the vibration logging.(I know you said thump ... but I think if you think to it a a loud vibration it will help)

http://www.soundtechnology.com/

Good Luck
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Robert McTigue
Audio Engineer
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