Hum Through DV Cam When CRT Connected
Would anybody have any idea why attaching an external CRT to my PowerBook via the DVI-VGA adapter would cause a rather loud hum from the analog output of a DV cam when it's attached to the PowerBook via firewire?
Even if the external monitor is turned off, the hum still persists. However, it goes away if I unplug the monitor from the power outlet, or unplug it from the DVI-VGA adapter.
I have plugged the monitor into different electrical outlets with no improvement.
Maybe a bad ground in the monitor?
Thanks much,
Brad
Ti PowerBook 1ghz Mac OS X (10.2.x) 1 Gig Ram/Super Drive
The camera doesn't let you change the input volume
What I did was:
Made the VIDEO ONLY go from VCR > DV CAM > MAC
But made the audio go to VCR > PC LINE IN > PC LINE OUT > DV CAM > MAC
When the audio came through my PC - I lowered the LINE IN volume so on the FCP audio level meters the audio peaked at -6dbs.
Not a bad idea hey
Lucky I had all the cables and connectors laying around.
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