问题
The emulator documentation says:
-audio-in <backend> Use the specified audio-input backend.
It also says that
-help-<option> Print help for a specific startup option.
Which means that -help-audio-in should list available backends.
But when I type "emulator.exe -help-audio-in" I receive:
unknown option: -help-audio-in
please use -help for a list of valid topics
Well, when I type ""emulator.exe -help" I receive the same information as in the documentation:
-help-<option> Print options-specific help.
This is a catch 22 situation... How do I get the list of audio "backends" for the emulator in Windows?
回答1:
Answering myself: There isn't any -help-audio-in because the emulator doesn't have an audioInput to hook.
来源：https://stackoverflow.com/questions/5466992/emulator-exe-help-audio-in-on-windows-produces-unknown-option-help-audio-in