From: Michael Strong <[EMAIL PROTECTED]>
Subject: Re: DV Camera for Streaming Video
The quality of the camera doesn't mean much when you are talking web graphics.
A monitor can't show better that 72 or 96 dpi anyway. Extra quality in the
source image doesn't show up in the end display but does show up in large
download times. For example a still image (such as a JPEG) can be huge but the
size is wasted. You need to create the image(s) you wish to place on the web at
their intended web size. Then you can maniplate contrast, brightness,
sharpness, to fit that intended-as-a-final-size image. Anything else will get
killed by any automatic re-sizing which will apply an algorithm which is almost
always worse looking than if you had designed it for the final result.
That means that very inexpensive cameras are fine for web streams. The most
important image factors have to do with lighting, contrast, etc. rather than
the originating quality. The original quality of even the cheapest cameras is
better than what you can reproduce on the web (in still or video).
I can't begin to count the number of people who ask what is the best camera for
good pictures. It has almost never, ever, been a function of the camera alone.
I was originally taught, more than three decades ago, that when I pressed the
shutter button I had to have the camera set for whatever I intended as the
final destination. It was true then and it is the same now.
I was also taught about viewing distance and grain size. Today that same
concern about granularity and viewing distance translates nicely into how well
the output device (i.e. computer monitor) can present the image.
Mike
RealForum wrote:
> From: "Dirk Leas" <[EMAIL PROTECTED]>
> Subject: DV Camera for Streaming Video
>
> I want to produce streaming media and was wondering what level of quality
> was needed for the source video. Anybody using DV cameras to capture video
> content? Which cameras are most appropriate (e.g. will a $1500USD Sony
> TRV-10-like camera be sufficient, a TRV-900 for $2K, or do I need a $4K
> camera like a Canon XL-1?)? My target audience is in the corporate/business
> space with high-speed internet/intranet connectivity (e.g. DSL/cable
> modem/T1, etc.). All I could find at real.com was, "use the best capture
> technology you can". I'm hoping that doesn't mean a $50K betacam...
>
> TIA,
> Dirk
--
Mike Strong -> 235-2349 -> [EMAIL PROTECTED] -> 16b CH,
