I have an HP ENVY m6-1125dx Notebook PC with Windows 8, an Intel HD Grahics 4000, and IDT High Definition Audio CODEC and Intel Display Audio. I just bought a TV series from itunes in HD. The sound is constantly crackling and there is a delay of at least 2-3 seconds in the audio. The problem only occurs with HD videos. I can watch a video in SD and the sound works just fine. I went to the HP website and made sure all my drivers are up to date. I even went to the device manager and manually checked for an updated version for each driver, so that shouldn't be the problem. I don't know what is. Please help!
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