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<blockquote data-quote="Janx" data-source="post: 5870778" data-attributes="member: 8835">I have an idea for a small project using my old 4-way video switchbox (it was for hooking up 4 game consoles/video sources to 1 TV's RCA style video/audio jacks).I figure somebody knows more than I do and can spot a problem with the plan or a source for the parts.Situation:I have a 4-way video switchboxI have 1 PC that I play music and do VOIP stuff with (skype/google, etc)I have a PC headset with mic that has a stereo audio 1/8&quot; male plug and a mic channel 1/8&quot; male plug (both go into the PC).I have 2 cell phones that I conduct business with during the day and I plug my iPhone headphones into to take a call so I can have my hands free.Problem: I am constantly plugging in my headset into &quot;the other phone&quot; or taking off my PC headset to put on my iPhone headset so I can talk and computeSolution idea: find adapters to convert from all the 1/8&quot; stuff to RCA so I can use my old switchbox to connect my 2 phones and PC to my PC headset.Parts:I found at Radioshack the parts to go from L/R RCA pair to a single stereo 1/8&quot; male and a single RCA to 1/8&quot; mono for the microphone channel (I'll devote the video line to the mic.&nbsp; So I can connect the PC to the switchbox with no problem.I suspect it should be easy to find the right RCA and female stereo and mono 1/8&quot; jacks to wire up for the PC headset.&nbsp; Those are pretty standard parts and I probably have enough wire lying around (worse case, chop some old RCA cables)The hard part is finding the 1/8&quot; 4 channel male plug that would go into the cell phone (I need 2 of them).&nbsp; One proposed idea is to chop up old iPhone headphones and picking out the lines from the cable.&nbsp; I've done that in the 80's with old headphones, and it was a PITA then with 3 lines embeded, 4 will just be worse.I'd rather source a 4-channel 1/8&quot; male plug that I can solder directly into.Any body got any ideas on how to solve the cellphone cable/jack problem?Anybody see any technical design problem?&nbsp; With all these extra cables/adapters are we likely to have noticeable signal degradation?&nbsp; I posit that with good connections, it should not be noticeable, given that analog video ran through this thing at a much higher frequency without any problem.Has anybody seen a produc that already does this?&nbsp; Radioshack parts was looking like $8 just for the PC to box adapters.&nbsp; This could easily be a $10 per&nbsp; device operation (PC, 2 cellphones, headset = $40).&nbsp; I didn't pay that much for the switchbox...</blockquote>

[QUOTE="Janx, post: 5870778, member: 8835"] I have an idea for a small project using my old 4-way video switchbox (it was for hooking up 4 game consoles/video sources to 1 TV's RCA style video/audio jacks). I figure somebody knows more than I do and can spot a problem with the plan or a source for the parts. Situation: I have a 4-way video switchbox I have 1 PC that I play music and do VOIP stuff with (skype/google, etc) I have a PC headset with mic that has a stereo audio 1/8" male plug and a mic channel 1/8" male plug (both go into the PC). I have 2 cell phones that I conduct business with during the day and I plug my iPhone headphones into to take a call so I can have my hands free. Problem: I am constantly plugging in my headset into "the other phone" or taking off my PC headset to put on my iPhone headset so I can talk and compute Solution idea: find adapters to convert from all the 1/8" stuff to RCA so I can use my old switchbox to connect my 2 phones and PC to my PC headset. Parts: I found at Radioshack the parts to go from L/R RCA pair to a single stereo 1/8" male and a single RCA to 1/8" mono for the microphone channel (I'll devote the video line to the mic. So I can connect the PC to the switchbox with no problem. I suspect it should be easy to find the right RCA and female stereo and mono 1/8" jacks to wire up for the PC headset. Those are pretty standard parts and I probably have enough wire lying around (worse case, chop some old RCA cables) The hard part is finding the 1/8" 4 channel male plug that would go into the cell phone (I need 2 of them). One proposed idea is to chop up old iPhone headphones and picking out the lines from the cable. I've done that in the 80's with old headphones, and it was a PITA then with 3 lines embeded, 4 will just be worse. I'd rather source a 4-channel 1/8" male plug that I can solder directly into. Any body got any ideas on how to solve the cellphone cable/jack problem? Anybody see any technical design problem? With all these extra cables/adapters are we likely to have noticeable signal degradation? I posit that with good connections, it should not be noticeable, given that analog video ran through this thing at a much higher frequency without any problem. Has anybody seen a produc that already does this? Radioshack parts was looking like $8 just for the PC to box adapters. This could easily be a $10 per device operation (PC, 2 cellphones, headset = $40). I didn't pay that much for the switchbox... [/QUOTE]

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