How to prevent multiple devices from responding to 'Hey Google'
Using these tricks you can prevent multiple devices from activating simultaneously when using the Google Assistant
Has it ever happened to you that when you say "Hey Google" at home or in the office, several devices activate at the same time? It's a common and quite annoying problem, especially if you have several smart speakers, phones, or screens with Google Assistant all over the place. The good news is that there is a solution to ensure only one device responds to your voice commands, avoiding confusion and overlap. Google has a system for choosing the best device to respond, taking into account factors such as proximity, the type of request, and the device's features. However, this coordination sometimes fails, and several devices end up activating simultaneously. This creates echo, extra noise, and frustration. To begin with, it's crucial that all your devices use the same linked Google account, as the Assistant matches accounts to know which devices are part of your ecosystem. Having multiple accounts can cause unwanted activations or interference. Additionally, keeping the Google app and the Google Home app updated on all your devices will help the software better manage responses and prioritize which device should activate.
Adjust sensitivity and management to control which devices listen
Another effective way to prevent multiple devices from turning on when you say “Hey Google” is by adjusting the Assistant's sensitivity on each one. Google Home and other devices allow you to modify how much the activation word is “heard” within their settings. For example, you can increase the sensitivity of the device you want to always respond and decrease the sensitivity on others so they don't react easily.
Furthermore, many brands and models allow you to completely disable voice activation on secondary devices. For example, on Xiaomi, Huawei, or OPPO phones, you can go to the accessibility or Google Assistant settings and disable the option to launch the assistant by saying “Hey Google.” This way, only your main device will respond to commands.
Finally, The Google Home app makes it easy to create specific groups or routines for your IoT (Internet of Things) devices.This means you can configure devices which are active in which scenarios and avoid unwanted cross-activations.
Tips for more precise control and avoiding annoyances with Google Assistant
If you want to prevent Google Assistant from activating accidentally, you can also disable voice activation and use the assistant manually. That is, disable the "Hey Google" command so it doesn't activate automatically, and instead invoke the assistant by pressing the corresponding button on your phone or device.
Another useful tip for those with many Google devices is to always check the microphone on each gadget.
Some devices, like speakers, have a physical button to mute the microphone, preventing others from hearing them when you don't want them to. Finally, if several people use the same house or space with Google devices, enabling Guest Mode can help prevent the Assistant from activating with commands from unrecognized users, thus limiting unnecessary activations.

