How to record from a separate computer's Line-out? Answered
I have a bunch of midi files on an old Windows machine and I would like to make mp3 recordings of them playing on the machine's old soundcard. I have an old version of Audacity on the computer, but the machine isn't powerful enough to make a good recording of the sound sent to the machine's Line-out while playing a midi.
I would like to connect the Line-out to another computer's microphone port and record using a modern version of Audacity on a modern computer. When I connect a double-headed headphone cord into both the Line-out of the old machine and the microphone port of the new machine, the new computer reads the microphone as being unplugged (it thinks there's nothing plugged into the port even though the male headphone jack is in).
The old computer is a Dell with Windows 98. The new one is a Lenovo Thinkpad T520 running both Linux Mint 18 and Windows 10 (both systems show the microphone port as being unplugged with the double-male cable but read a microphone). I have an adapter for the dual-output/input port on the Thinkpad, and I know the microphone port works fine with an actual microphone. Does anyone know why my computer will register input from a microphone but not from the other computer's Line-out and how I might get it to receive input from the old computer?