I updated the motherboard drivers yesterday and found the Nv Mixer included. It sits in the systray. It lets you adjust volume and has a graphic equalizer. If you pipe the sound from your receiver to the Line In connection on the sound card, you can get better sound from your receiver. It has a section for different types of sound presentation one of which is "old time radio". It is a hefty 35.1 mb download and it is for ASUS A7N8x VM 400 motherboard using Nforce . BUT, if you have something that can use those drivers, the Nv Mixer can be useful for sound quality with your HF (shortwave) receiver. FWIW

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http://pwp.surfglobal.net/mjmiller/index.htm