In Skype while talking to friends they are able to hear my game or the videos that i am watching how can i stop that?

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On a Mac mini made in 2010 or later, you'll need to use an external microphone to communicate as they're not built in. Plugging in a pair of Apple EarPods or headphones into the headphone jack should work just fine.

USB microphones will also do the trick (but you'll need to adjust some audio settings in Skype).

Hope this helps!

There are two obvious reasons (and a number of not-so obvious ones) for this.
1. Have you got your sound on (and adjusted properly) ? You might have your sound turned down or off on your PC or just within Skype. To test if your sound is working, try making a test call using the Skype test call facility.
2. Your friend's microphone may not be working, they may not have one or its sensitivity in Skype may be turned down or it may be 'muted'. Ask to check that her microphone is not muted. Ask her to make a test call on Skype and adjust her microphone sensitivity so that she can hear herself sensibly.

On my version of Skype the test call has appeared in 'contacts' but now it is accessible from the menu at the top left of the window from the call > audio settings menu/page. You can change your volume, microphone and speaker sensitivity settings on that page. You may have a different version of Skype of course.

21. April.2014

I had the same problem with the exactly same model of steelseries headphones! The only way that I could heare my friends talk was to change the settings in "preferences"-"Voice" and then change the "Voice Output" settings to "Play through Both" and then it worked. But the only problem is that when your friends talk, will the game Volume reduce and the chat volume increase. Hope it help! :)

you most likely checked all the obvious settings, checked, volume control, within Skype it is not on mute.
also within Skype, you can also perform audio and video testing, to confirm the issue is not from your end.
If this still fails, and you can not hear the other party ... the issue may be at their end. They will need to check their settings and skype settings.

The problem seems to be with your friend's setup, and possibly yours. Try adjusting mic levels and volume levels to where they don't interfere with each other. Ex.--you talk , they hear you at a volume that is too loud and it gets into their mic, creating a loop....feedback. You do the same too. Trial and error. Hope this is helpful.

https://support.skype.com/faq/FA897/Why-can-t-my-friend-hear-me;jsessionid=2E9CF34D195E9A8229ED9E6936E59249?frompage=category

if you go on there site you have got to change some settings on x box live. here is the link. http://www.skullcandy.com/manuals-and-drivers.html it is the x box settings for lowriders.

i think that skype doesnt use a camera when it is on the psp

When you are installing the skype software, there comes a time when skype will offer you the option to test your hardware. Here you will try out the speakers and mic, and skype will tell you if they are in skype accepted order.
My friend actually installed it not too long ago, and after the install, I saw that skype gave him the option to make a test call right on the program interface window. We used it, and it made a call to a skype computer voice which advised us that if we could hear her talking, then our speakers are fine, and to now go ahead and speak into our mic, if the mic is working we will be able to hear what we just said into it.
That was a great little way to make sure our speakers and mic were in fact working, and they were.
Try that out on your pc and your friend's pc to test components individually. If you are unable to find the test call option, or the option to test components, you can uninstall skype and reinstall the latest version, which may not be a bad idea to preclude any other weird problems which may be at fault.
Hope that helps.