I'm probably retarded, but...

jimbuto · 5th June 2003, 02:14 AM

5{ reason if I hooked up my vcrs (two of em) to a DJ style mixer I couldn't get the video to come through the output (which would go to a monitor of some sort)? Would I be able to crossfade the video that way? Once again, I am probably retarded.

Da5id4Vz · 5th June 2003, 12:40 PM

There is a world of issues in mixing video signals. Sync alignment, time base correction....

Easiest way to tackle the challenge is using something like this:

http://www.videoguys.com/datavid.htm#se200

MikeW · 5th June 2003, 01:27 PM

The mixer probably has a low pass filter. Video goes up to 4.2 Mhz. audio only 20khz..

jimbuto · 5th June 2003, 03:28 PM

Thanks for the info! I guess if I want to play with this more its going to require a bit more effort than slapping some RCA plug into my mixer

PassFan · 6th June 2003, 01:48 AM

Quote:

Originally posted by jimbuto
Thanks for the info! I guess if I want to play with this more its going to require a bit more effort than slapping some RCA plug into my mixer

Why don't you try it and see what it does, you might be surprised.

jimbuto · 6th June 2003, 07:18 PM

Quote:

Originally posted by PassFan

Why don't you try it and see what it does, you might be surprised.

Wouldn't blow my mixer would it?

Sawzall · 6th June 2003, 11:07 PM

I don't think it will blow up your mixer, but it for sure won't work as a cross fader or anything else. The signal coming out of your VCR is up in the megHz. Its unlikely that the signal would get past the first component in the mixer.

Basic fader stuff for home video is not expensive - less than $100. Most of it is old stuff since almost all of this stuff has now moved over to computer based, even for the home. If you have a decent computer, you can do some neat tricks.

jimbuto · 7th June 2003, 12:15 AM

Cool, I'll keep an eye out. Thanks all!

PassFan · 7th June 2003, 01:52 AM

I don't think there's a whole lot to a DJ mixer, is there? Aren't they just a few volume faders and a pan pot? Does your dj mixer plug in and if so, what for? If it's strictly passive a video signal is not going to hurt it.

Sawzall · 7th June 2003, 04:05 AM

even if it did not blow it up, it would not work! How video and audio work are two different things. In sound, you lower the overall level and the sound goes down. The same is not true for TV. I am not going to try to explain it here - just look up how TV works on the web.

A DJ mixer is usually not passive. It has mic inputs and turntable inputs.. Both of which require amplification.

5th June 2003, 02:14 AM	#1
jimbuto diyAudio Member Join Date: Jun 2003 Location: SoCal	I'm probably retarded, but... 5{ reason if I hooked up my vcrs (two of em) to a DJ style mixer I couldn't get the video to come through the output (which would go to a monitor of some sort)? Would I be able to crossfade the video that way? Once again, I am probably retarded.

5th June 2003, 12:40 PM	#2
Da5id4Vz diyAudio Member Join Date: Feb 2003 Location: lost in america...	yikes! There is a world of issues in mixing video signals. Sync alignment, time base correction.... Easiest way to tackle the challenge is using something like this: http://www.videoguys.com/datavid.htm#se200

5th June 2003, 01:27 PM	#3
MikeW diyAudio Member Join Date: Sep 2002 Location: North of Boston	The mixer probably has a low pass filter. Video goes up to 4.2 Mhz. audio only 20khz.. __________________ MikeW

6th June 2003, 11:07 PM	#7
Sawzall diyAudio Member Join Date: Jun 2001 Location: Alexandria, VA USA	Don't bother... I don't think it will blow up your mixer, but it for sure won't work as a cross fader or anything else. The signal coming out of your VCR is up in the megHz. Its unlikely that the signal would get past the first component in the mixer. Basic fader stuff for home video is not expensive - less than $100. Most of it is old stuff since almost all of this stuff has now moved over to computer based, even for the home. If you have a decent computer, you can do some neat tricks.

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5th June 2003, 03:28 PM	#4
jimbuto diyAudio Member Join Date: Jun 2003 Location: SoCal	Thanks for the info! I guess if I want to play with this more its going to require a bit more effort than slapping some RCA plug into my mixer

7th June 2003, 12:15 AM	#8
jimbuto diyAudio Member Join Date: Jun 2003 Location: SoCal	Cool, I'll keep an eye out. Thanks all!

7th June 2003, 01:52 AM	#9
PassFan diyAudio Member Join Date: Aug 2001 Location: Central FL	I don't think there's a whole lot to a DJ mixer, is there? Aren't they just a few volume faders and a pan pot? Does your dj mixer plug in and if so, what for? If it's strictly passive a video signal is not going to hurt it.

7th June 2003, 04:05 AM	#10
Sawzall diyAudio Member Join Date: Jun 2001 Location: Alexandria, VA USA	even if it did not blow it up, it would not work! How video and audio work are two different things. In sound, you lower the overall level and the sound goes down. The same is not true for TV. I am not going to try to explain it here - just look up how TV works on the web. A DJ mixer is usually not passive. It has mic inputs and turntable inputs.. Both of which require amplification.

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