Four-pin pinout
Does anyone know where to look up the pinout specs for the four-conductor iPhone headset jack?
I would expect left, right, mic and ground for the earbuds, but
(1) which pins carry which signal?
(2) What does the squeeze-switch on the earbud mic connect together?
(3) Would it be OK to Y-connect (i.e., short) left and right for a 3-conductor (audio, mic and ground) mono headset?
(4) I hear reports that people have plugged in stereo headphones after scraping off some plastic for mechanical fit. I expect their headphones would have only 3 connectors (left, right, ground) in a stereo submini (sleeve, ring, tip) configuration. How does this 3-conductor plug work in the iPhone's 4-conductor jack?
--Gil
I would expect left, right, mic and ground for the earbuds, but
(1) which pins carry which signal?
(2) What does the squeeze-switch on the earbud mic connect together?
(3) Would it be OK to Y-connect (i.e., short) left and right for a 3-conductor (audio, mic and ground) mono headset?
(4) I hear reports that people have plugged in stereo headphones after scraping off some plastic for mechanical fit. I expect their headphones would have only 3 connectors (left, right, ground) in a stereo submini (sleeve, ring, tip) configuration. How does this 3-conductor plug work in the iPhone's 4-conductor jack?
--Gil
12 inch PB G4 w/20 inch Flat Plane Array, Mac OS X (10.4.10)
