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2answers
706 views

How to use analog headphones and USB headphones on a computer at once?

Is it possible to use analog headphones (in the regular headphone jack area) and USB headphones at once on a windows computer? Every time we plug both in the USB headphones override the analog ...
3
votes
1answer
222 views

Best Way to Output Analog Video From PC

I have been working on a project for some time that involves using frame grabbers to get frames of video from a camera running algorithms on the result. There are lots of different frame grabbers ...
0
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1answer
237 views

Cisco SPA112 ATA Only Rings Half the Time

I have a Cisco SPA112 ATA Unit which I have set up to connect to an online SIP account (no LAN Asterisk servers in use) and I have this issue where sometimes the unit will not ring when someone calls ...
1
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0answers
148 views

VGA slight flickering/wavy pattern on dark colors

I have a vga monitor attached to my laptop. Whenever I am displaying darker colors, there is a sort of wavy flickering (not seizure inducing, but smooth flickering). It is also more profound when I am ...
1
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0answers
36 views

converting lots (100+) of analogue audio sources to RTP/UDP/'IP packets'?

I was 50/50 posting this here or the electronics board.. maybe I can get some help! Basically I have a scenario where I'll have just over 100 analogue audio sources (50 in and 50 out) from 50 ...
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0answers
97 views

Is there a twisted pair standard for video+power+RS485?

I am building a PC-based security DVR. I am using Cat6 to carry the video signal (converted via balun), power, and RS-485. Is there a standard or convention for which twisted pairs I use for which? ...