Please click the button "Control..." from the main window. Then you will see a control panel, from there you may select a correct device, it may be "Mono Out", "Stereo Mixer", "WAV Out", or something else. And you may click the menu item "Options > Properties..." to open the property dialog, set the radio to "Recording" and check all the devices from the listbox.
Please click the button "Control..." from the main window. Then you will see a control panel, from there you may adjust the checked control's volume to a lower/higher value.
Please try to copy the orignal MIDI to a simple folder and rename the file to a simple one like "c:\test1\exam1.mid". Then please also set the output MP3's path and file name to a simple one like "c:\test2\exam2.mp3". When this done, try it again.
Please see also the above question. Try to copy the orignal WAV to a simple folder and rename the file to a simple one like "c:\test1\exam1.wav". Then please also set the output MP3's path and file name to a simple one like "c:\test2\exam2.mp3". When this done, try it again.
Please run command "Sndvol32.exe /p" from your computer's "Start > Run..." dialog. Then check the control "Microphone" to "Mute", or check other controls to "Mute", or check all items to "Mute". Then try to convert it again.
Please run command "Sndvol32.exe /p" from your computer's "Start > Run..." dialog. Then check the volume control to "All Mute". Please pay attention that you must uncheck the "All Mute" after conversion, otherwise, when you play an audio file, it will have no sound.
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