Re: Video equipment for online guitar lessons web-site

On Feb 23, 10:45 am, Martin Heffels <goo...@xxxxxxxxxxx> wrote:
On Fri, 22 Feb 2008 19:25:37 -0800, "Richard Crowley" <rcrow...@xxxxxxxxx>
wrote:

I'm not aware of any mainstream applications that implement
capturing multiplevideoinputs, not to mention separate audio
concurrently.  But perhaps that is because most home computers
(likely including yours and mine, too) aren't up to the task.

I'm doing 16 tracks of audio at 32bit 48k with no problem, but I know
that video uses more bandwidth. Guess we'll find out when we try it?

I am ;-) Get a second-hand Canopus DV-Storm and a generic firewire-card.
With the Storm, you get an application which allows you to capture three
stream simultaneously. Obvisouly this requires you hard-disks to be fast
enough to handle three streams.
With this configuration you could use the S-Videoout of 1 camera + the
sound of your sound-system to record one camera, and record the second
camera via the firewire-port.

If the cameras are all Firewire, can't this be done with software? In
audio it's easy enough to get your software to recognize and capture
from multiple sources of Firewire input, but I haven't seen this
feature in video software (but maybe I just don't know where to look?)

That is already more than you need if you are going to
compress thevideodown to something that will be useful
on a website.  Don't get your heart set on "bettervideo
quality" if you are distributing via the internet.  You'll need
well-framed close-up shots if you want to show viewers
how to play the guitar, etc.

True, but the better the material to start with, the better the end-result
will be. Properly lit is important, because grainy images will not compress
as nicely as non-grainy.

Although current bandwidth doesn't allow very high quality video, I'd
still like to shoot and store the material in as high a quality as is
practical. My plan is to amass a hundreds of these and I may want to
release some of them on DVDs (outfits like Kunaki.com make this
feasible and I won't even have to keep an inventory). I'm basically
documenting all the material that I've been teaching for the last 25
years.

Maybe I should be using tape, but I know from experience that any kind
of tape is bulky, unreliable, expensive, and formats change making it
necessary to keep copying it to new formats (I've got tons of ADAT
tapes here on the shelf and some may not play anymore. I know I
should copy them to disk, but when do you get the time?)
.

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