teach you to use OS X system to implement off-line + real time voice input

Apple Computer from Mac OS X 10.8 Mountain Lion system start native support voice input (the default is to double-click the FN button to start, support Chinese), more convenient than typing, but also pretty accurate. But must be connected to use, you said, Mac the voice to the Apple server, server analysis and then the text back to the MAC.

In OS X Yosemite, you can still download the Apple dictation database to your computer's local hard drive. This does not connect to the network can also make voice input, and there is no previous and server communication caused by the delay, talk at the same time the automatic typing.

(Because the Mac does not have a microphone configured, the above prompts appear)

Click on the Apple logo in the upper left corner of the Mac screen, select "System Preferences" in the Pull-down menu, and select "Dictation and Speech" in the panel, as shown in the above image. Select a good language and check "use tuning dictation." The following will appear the database download progress bar and time estimate, set the shortcut key, convenient call later.