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microphone
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| RORO |
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Posts: 9
Joined: 28 Feb 2008
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Posted: Fri Mar 28, 2008 7:28 am
Post subject: microphone
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hi guys, recently bought an AVerDiGi EB1304 NET. got it working fine over the web was actually suprised by the quality. Now I'm looking to install a microphone but from reading the dvr manual an external psu is required!!
Has anyone installed a mic? can anyone recommend a product? and what is the quality like?
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| mr.surveillance |
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Posts: 117
Joined: 10 Apr 2007
Location: Alameda, Ca
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Posted: Fri Mar 28, 2008 1:30 pm
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Audio if you are in the USA:
From a sign posted in my store:
SURREPTITIOUS AUDIO - Any person who intentionally manufactures, assembles, possesses or sells any electronic, mechanical or other device, knowingly or having reason to know that the design of such device renders it primarily useful for the purpose of the surreptitious interception of wire, oral or electronic communications IS IN VIOLATION OF TITLE 18 U.S. CODE
........
Some States it is legal if one party to the conversation/communication gives consent however some states (like here in California) all parties involved must give consent and posting that audio is being recorded does not imply consent.
(Many government entities are exempt do to Homeland Security and various anti-terrorist laws)
During the 90's and early 2000's the FEDS put many "spy shops" out of business. I always try to disclose what to my knowlege is legal or not.
I do not sell audio devices to people that imply that audio devices will not be used in a lawful manner as it is illegal to do so.
LEGAL USES: barking dogs, the neighbors kids loud car stereo and such.
With video the only issue seems to be with "perceived privacy" IE: bathrooms, dressing rooms, bedrooms and the like, however under the same guise, A burgler that breaks into your home and has rampant sex with someone in front of your camera may not have the same "perceived privacy" protection do to not having any legal right to be there and commiting a criminal act to be there.
There are exceptions, but I am not a lawyer, if unsure of your particular applications please contact one.
Yes an external power supply is needed.
_________________
One way or another, you always pay for what you get.
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| RORO |
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Posts: 9
Joined: 28 Feb 2008
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Posted: Sat Mar 29, 2008 4:30 pm
Post subject: microphone
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Thanks for the info but I reckon those laws don't apply where i am from. i hope to use it to listen in on my cattle calving!!
Can you give me some example products that I can use?
B.T.W living in Ireland
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| mr.surveillance |
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Posts: 117
Joined: 10 Apr 2007
Location: Alameda, Ca
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Posted: Sat Mar 29, 2008 6:12 pm
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Hello RORO from Ireland,
Hopefully you won't be intruding on a cows private aural communication. 
I don't know the availability of these in Ireland but these work the best of what I've tried : model AA001 "audio pickup box" from intellicam, a very small inline pre-amplified to line level microphone that works on 12 volts. Why they call it a box I don't know.
PDF spec sheet: http://www.intellicamusa.com/PDF/AA001.pdf
I think this is more than adequate for your needs. I have experienced them picking up conversations in the room next to the one that has the mic. (same wall, other side)
I hope this is what you are looking for...
_________________
One way or another, you always pay for what you get.
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| Media |
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Posts: 41
Joined: 02 Mar 2008
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Posted: Mon Apr 07, 2008 7:52 pm
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Looking to a company call Louroe
They make decent microphones for DVR
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| 3RDIGLBL |
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Posts: 116
Joined: 27 May 2008
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Posted: Tue May 27, 2008 6:47 pm
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Mr. Surveillance,
Along this same line. I have a potential customer who has a dog kennel and they would like to have an audio mic installed in their kennel which is 100' from their office. They do not care about recording only to view and monitor the kennel when opened for business.
I am in the U.S. and where it is not being recorded I can not see where this is illegal but it sounds like you are knowledgeable in this area and you can provide some insight.
At this time there is no desire for recording and we told them about the issue surrounding audio recording. But this as I mentioned is not being recorded only monitored during work hours.
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| scorpion |
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Posts: 2785
Joined: 26 Mar 2007
Location: Melbourne Florida
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Posted: Tue May 27, 2008 7:03 pm
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| Gesualdo |
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Posts: 224
Joined: 09 Jun 2005
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Posted: Tue May 27, 2008 8:22 pm
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ets inc
the sm1 weatherproof bullet mic is super sensitive in all directions, great sound
SM1-WBM Weather Proof
Bullet Microphone
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX 505-888-3926
Website: www.etsnm.com
Description
The SM1-WBM microphone is a
military grade, Weather proof ,
bullet-style microphone. This
microphone contains an all new
microprocessor based
automatic level control system.
The system expands dynamic
range without sacrificing
sensitivity.
Applications
• Military Vehicles
• Extreme temperature and other
harsh environments.
• Buildings
Includes
• SM1-WBM microphone
• Swivel mount
• Military grade terminating connector.
Warranty
1 year parts and labor.
MADE IN USA
SM1-WBM Features and Specifications
• Omni-directional, enviro-sealed, electret
condenser element
• .5” thick wind screen.
• Low noise, MOSFET preamplifier.
• Mil spec, environmentally sealed
connectors
• Potted internal electronics. Ideal for high
vibration and harsh environments.
• Microprocessor based, automatic output
level control.
• -40 to 185C temperature operating range.
• 6-12 vdc power input @ 10ma
• 5vpp max signal output prevents
overdriving of A/D converters in DVRs and
other equipment.
• Machined aluminum housing.
• Olive drab finish. Other colors available on
request.
• Dimensions 3 x 3
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| scorpion |
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Posts: 2785
Joined: 26 Mar 2007
Location: Melbourne Florida
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Posted: Tue May 27, 2008 8:40 pm
Post subject:
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| Gesualdo |
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Posts: 224
Joined: 09 Jun 2005
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Posted: Tue May 27, 2008 8:49 pm
Post subject:
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and no more $$ than the others. added a piece of plain old foam mic windscreen in it to cut the high wind whistle and WOW.
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