[SATLUG] Re: USB Video Capture

Alan Lesmerises alesmerises at satx.rr.com
Mon Oct 5 22:30:18 CDT 2009


John Pappas wrote:
> On Sun, Oct 4, 2009 at 01:33, Tweeks <tweeksjunk2 at theweeks.org> wrote:
>   
>> Hey Henry..
>>
>> I was actually wondering the same thing (about those USB/video capture
>> thingies)..
> So far my HVR-950Q works fairly well for HD, so I was going to retask my
> PVR500 dual analog card for ZM duties, but I have not used ZM before so I
> have a question: do any of you use Audio as well?
>   
>> I'm setting up a home security system using cheap IR illuminated, outdoor
>> video cams from harbor freight for $30 each!
>>
>> http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=95914
>>
>> Maybe a couple of IR flood lights (the new LED panel type)... Plus a
>> dedicated
>> box with a multi-cam BT capture card for multi-camera motion detection, and
>> ZoneMinder:
>>        http://www.zoneminder.com/
>>
>> Sending alerts and images to my phone.
> That is very close to what I am looking for, but I would also like audio, so
> do any of you have that experience?
>   

I seem to recall there being some legal issues related to the recording 
of audio, especially if people don't know they're being recorded.  I 
think it falls under federal wiretapping laws.  You may want to double 
check this to make sure you don't run afoul of some legal technicalities.

Al Lesmerises

> At first I was looking at those USB based devices.. but I think that 4-6 of
>   
>> those things would eat up too much CPU time.. where the PCI cards are
>> proven.. and probably less proc intensive (don't know.. just a guess).
> I will have a much better idea of CPU once I get some HD's going (I expect
> to have 2 of these going at a time)
>
> Anyway.. flag me of list if you want to compare notes.
>   
>> Tweeks
>>
>> On Thursday 10 September 2009 07:56:54 pm Henry Pugsley wrote:
>>     
>>> No, I need to plug into a security camera that has a BNC connector on
>>> it. Mainly for testing and focusing.
>>>
>>> -Henry
>>>
>>> On 9/10/09, redpill <toddwbucy at grandecom.net> wrote:
>>>       
>>>> if its video capture on your laptop, the condsider using a usb webcam
>>>> and cheese (the prog not the dairy product:).
>>>>
>>>> Todd
>>>>
>>>> On Thu, 2009-09-10 at 11:42 -0500, Henry Pugsley wrote:
>>>>         
>>>>> On Thu, Sep 10, 2009 at 11:28 AM, John Pappas <j at jvpappas.net> wrote:
>>>>>           
>>>>>> Depending on your framerate needs, you could look for a security
>>>>>> camera capture card, there was some discussion on XCSSA a while back.
>>>>>>             
>>>>>> TWeeks may have more useful info here....
>>>>>>             
>>>>> This is pretty much what I need (security camera).  I have a bt878 PCI
>>>>> card in my server at home, but I need something portable for my
>>>>> laptops.  30fps NTSC would be the max it needs to support.
>>>>>
>>>>> -Henry
>>>>>           


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