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Audio Midi Setup/Audio Devices Ch M (What is Channel M?)

L

leerkeller

macrumors member
Original poster
Nov 1, 2011
96
0
Baltimore, MD
When you select an Audio Device, in the bottom right corner sub-window you can adjust the level for each channel. The devices I am dealing with are all 2-channel. In the aforementioned corner sub-window I see the expected Channel 1 and Channel 2. In addition to those two channels, there is also a channel M. It is placed above 1 & 2 in the sub-window. I can't seem to find anything in the Apple Documentation for Audio Midi Setup that explains what Channel M is, so I have decided to pose the question to the experts in this forum.

Thanks in Advance For The Answer,
Lee Randolph Keller
 
C

cheekypaul

macrumors member
Apr 22, 2005
82
24
leerkeller said:
When you select an Audio Device, in the bottom right corner sub-window you can adjust the level for each channel. The devices I am dealing with are all 2-channel. In the aforementioned corner sub-window I see the expected Channel 1 and Channel 2. In addition to those two channels, there is also a channel M. It is placed above 1 & 2 in the sub-window...
Click to expand...

can you post a screen shot?
 
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