age location access.
Use your voice on Android
You can speak into your Android phone or tablet to search, get directions, send messages, and perform other common tasks. To initiate an action or a search using your voice, touch the 
Mi- crophone icon on the Home screen or in the Google Search app.
If your device is running Android 4.1 or later, you don’t have to touch the 
microphone — just open the Google Search app and say “Google.”
IMPORTANT: To detect when you say “Google” to launch Voice Search or Voice Actions, Google analyzes sound picked up by your tablet’s microphone in intervals of a few seconds or less. The sound is immediately discarded after analysis and is not stored on the device or sent to Google.
Turn hotword detection on or off
The ability to trigger a search or action by saying “Google” is called hotword detection. To turn it off or on, open the Goo- gle Search app and touch Menu > Settings > Voice > Hotword detection.
Voice Search
After you touch the Microphone icon or say “Google,” Google lis- tens as you speak and initiates the search or action you describe. If Voice Search doesn’t understand you, it lists a set of possible
Nexus 7 (2013) Guidebook | Google Now & Search | 50 |