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DimonNT,
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My point was really that the "Stereo Mix" option had become a standard function. Then on newer machines, it started to disappear. All the rumours point to it having been deliberately disabled and/or removed by the hardware manufacturers because of a strong lobby about copyright from the entertainment industry. My contention is that this function is absolutely necessary for carrying out many types of creative audio work. If one looks at the forums of suppliers of professional audio software, it can be seen that there are regular questions about how to enable this function.(Stereo Mix) The fact that the Microsoft driver hides this function on a machine where it is available in the hardware made me think that Microsoft may be giving in to powerful lobbyists.