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‎08-06-2014 09:05 PM

HP Recommended

Hello all. I have HP Pavilion 15-n031sr notebook, model F2U14EA, OS Ubuntu 14.04. With my notebook i want to use  headphones and microphone with standard three-contact stereo jack plugs. 

 

User manual for this notebook says: "NOTE: Be sure that the device cable has a 4-conductor
connector that supports both audio-out (headphone) and
audio-in (microphone)."

 

So, i bought converter where 4-contact male pluged in notebook and  two female sockets from the other side: green is for headphones, red for microphone. I don't know what pinout of this converter is, but headphones plugged in green sockets sounds fine; it's stereo and clean sound. But when i plug my standard 3-contact mic into red socket it clicks and produce huge noise in my headphones. 

 

My questions are:

 

1. What pinout of headphone/mic socket for this notebook model? CTIA, OMTP or some else?

2. Is it really unsafe to connect 3-conductor phones directly into notebook socket, or i may use my standard headphones without any converters?

3. Is large clicks on system startup and shutdown (with no mic) causes by incorrect converter? 

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