First, click "OK" to turn it off, and then go to the Adobe audition main interface.
Second, then point to the Adobe Audition interface Menu "Edit", in the pop-up menu, select "Audio Hardware Device", as shown in the following figure.
Third, in the Audio Hardware Settings Pop-up dialog box, click Control Panel, as shown in the figure.
Four, here you need to check the DirectSound input port of the device, and then click OK, as shown in the figure.
Five, the highest point to be sure to close all the dialog boxes, and then reopen the Adobe audition, you will not be prompted again the dialog box, the recording is normal.
The above is the Adobe Audition3.0 runtime prompts "The audio input has not activated, cannot record audio" solution, the friend who encounters the same problem may try, if does not solve according to the above method, please discuss together in the comment box below.