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A new feature being tested internally at Google could eliminate the need to say “Ok Google” before issuing commands on Nest Hub’s smart displays. Android Central reports. Instead, the feature codenamed “Blue Steel” could allow the device to simply detect your presence and proactively listen for commands without first hearing the wake word.
The functionality has been shown in a video posted on YouTube by Jan Boromeusz, who Android Central It points out previously leaked features like Nest Hub’s new dark mode ahead of its official announcement. In the video, Boromeusz can be seen asking for a variety of information, all without uttering the words “Hey Google.” Its Nest Hub Max smart display is reported to be running leaked internal firmware meant to be tested within Google, and it’s unclear if the company has plans to release the functionality publicly.
The speculation is that the Nest Hub Max is using its existing ultrasound sensor to detect a person’s presence and start listening. At the moment, the smart display uses this to simply adjust the information it displays. However, in the future, this same technology could allow you to hear voice commands when you know you are nearby. Ars Technica speculates that you could also use your camera’s Face Match feature to get a better idea of who’s talking. Boromeusz displays an option to turn Blue Steel on and off in the smart display settings menu.
If released to the public, Blue Steel could raise privacy concerns. A key element of today’s smart speakers and displays is that they only pay attention to what you say after hearing the wake word. Relying solely on proximity detection increases the risk that devices will hear something they shouldn’t, at the expense of your privacy.
That said, “Blue Steel” could be a useful tool. Optional characteristic for some. Having to repeatedly say “Ok Google” or “Ok Google” before each voice command can be a hassle, and this potentially makes accessing the information you need much faster.
