From: Gary Tait
Subject: Re: Storing / Retrieving Video Data with RAM
References: <36C7FAF578DB3B42.2D5D36053AB02069.6012E473C7158C02@lp.airnews.net> <3DD25E3B.1150ECC5@imec.be>
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Date: Thu, 14 Nov 2002 10:40:36 -0500
NNTP-Posting-Date: Thu, 14 Nov 2002 10:41:09 EST
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On Wed, 13 Nov 2002 09:34:33 -0600, Doug Hortvet
>Thanks for your reply.
>I do not know exactly what a framegrabber extension card will / can
>do, but the system I need must be very compact, light weight and
>consume minimum power.
>So far I have determined that DVR's (some, perhaps not all) store the
>data to a HDD, rather than RAM.
>The end use for this system is to record live video during a model
>rocket flight, hence the need for small size and light weight.
>I envision using a small single board CCD that outputs NTSC,
>sufficient RAM to store 30-45 sec. of video, and whatever intermediate
>electronics are required to get the encoded / compressed video data
>into and out of the RAM.
>Thanks again for your comments.
A mini DV camera (my they are small these days, not to sure how Gs
will affect it though).
Relay the video signal to ground, and record it there.
>On Wed, 13 Nov 2002 15:14:19 +0100, Jean-Michel Friedt
>>Doug Hortvet wrote:
>>> My goal is to use a single board CCD that outputs NTSC, encode /
>>> compress the output data stream to an avi or mpg video file, then
>>> store in some variety of RAM.
>>> The video file would then be downloaded to my PC for viewing.
>>> I was hoping already existing components, not necessarily a complete
>>> system, would be available to perform the encoding and control the
>>> storage of data.
>>Aren't you exactly describing what a framegrabber extension card (PCI
>>will do for you ?