[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]
Re: DVRs
"Slim" <Cig@xxxxxxx> wrote in message
news:WWU3g.46803$Jk3.22994@xxxxxxxxxxxxxxxxxxxxxxxxx
> FDR wrote:
>> "J. Sloud" <jsloud@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
>> news:bpuv42ldkhmd7m0glq2vbaer99i1m6edtg@xxxxxxxxxx
>>
>>>On Tue, 25 Apr 2006 02:15:00 GMT, "FDR"
>>><_remove_spam_block_rzitka@xxxxxxxxxxx> wrote:
>>>
>>>
>>>
>>>>I'm trying to understand what someone means when they say to spend 2k to
>>>>3k
>>>>on a system vs. 1k for better picture quality. When I asked that
>>>>someone
>>>>pointed out fps, but the rest was about ftp, e-mail, networking, etc.,
>>>>which
>>>>as far as I can see is not about picture quality, especially if I don't
>>>>use
>>>>it most of the time.
>>>>
>>>>I'm not trying to be disrespectful. I sincerely want to know what the
>>>>extra
>>>>money gets you in picture quality so I can decide if it's worth it. If
>>>>it
>>>>isn't I'd rather spend the money on cameras.
>>>
>>>Picture quality can refer to many things. The most common refers to
>>>the resolution displayed. Is the image displayed at 1 CIF, 2 CIF, 4
>>>CIF, or D1? The best DVRs combine high frame rates per channel with
>>>high resolution. A top quality DVR such as an AD Intellex Ultra may
>>>be able to process 30 images per second for 16 cameras (480 IPS total)
>>>at 2 CIF. Compare these stats to the cheaper DVRs and you'll see the
>>>difference.
>>>--
>>>NewsGuy.Com 30Gb $9.95 Carry Forward and On Demand Bandwidth
>>
>>
>> What does CIF mean? CIF
> Common Intermediate Format.
> A standard size for images produced by low-resolution digital cameras and
> video cameras. CIF images are 352 pixels wide and 288 pixels tall (352 x
> 288).
> CIF is larger than QCIF and QVGA, but smaller than VGA.
>
Thanks.
alt.security.alarms Main Index |
alt.security.alarms Thread Index |
alt.security.alarms Home |
Archives Home