Hi, I'm having an audio issue using skype: whenever I try to make a call, my voice sounds distorted and crackled to the person I'm speaking to. I'm using a normal mini-jack mic plugged into my Realtek ALC861 soundcard (treated by the kernel as an HDA Intel card). With audacity, the sound from the mic is clearly captured, no crackling occurs. In skype options, the only sound device I can choose is