内容来源：https://www.theverge.com/tech/955385/google-home-familiar-faces-clothing

内容总结：

谷歌家庭系统升级：AI将根据衣着和声音识别家庭成员

谷歌近日宣布，旗下智能家居系统Google Home将于6月23日迎来重大更新。此次更新将大幅提升人脸识别功能的准确率，即使家庭成员背对摄像头，系统也能通过“衣服颜色、体型等非生物特征信号”继续完成身份识别，避免因角度问题误判身份。

此外，“熟悉面孔”库将自动更新每位家庭成员的最新照片，减少因旧照片导致的错误通知。谷歌还表示，AI生成的视频事件描述现在能识别特定声音——如狗叫、警报或脚步声——即使这些声音来自摄像头视野之外。这意味着，此前用户遇到的“事件日志中出现并不存在的人”等系统异常将得到显著改善。

在系统维护方面，最新4.20版本的Google Home应用新增了“系统健康警报”功能：当Nest恒温器检测到暖通空调设备异常时，将主动向用户发出提醒。该功能据称与此前谷歌Nest系统健康监测的Gemini联动升级有关，同时增强了对Matter协议的智能开关的支持。

中文翻译：

谷歌家庭应用的新更新将降低智能家居摄像头因你背对镜头而误认身份的可能性。自6月23日起，谷歌将扩展其面部识别功能：即使被标记在"熟悉面孔"库中的人脸不够清晰，系统也能通过"非生物特征信号（体型、服装颜色等）"继续完成识别。

谷歌家庭将更精准地识别用户
谷歌的智能家居AI将能通过衣物辨认人物，并识别摄像头捕捉到的特定声响。该功能可识别的音频包括狗吠、警报或脚步声等，即使声源来自画面之外，AI生成的视频事件描述也能将其纳入备注。这些更新有助于解决去年The Verge记者詹妮弗·帕蒂森·图伊在测试新版谷歌智能家居系统时发现的异常情况——例如事件日志中出现对实际不存在的人物的详细描述，或记录并未发生的事件。

谷歌家庭应用4.20版本的新增功能还包括：当Nest恒温器检测到暖通空调系统异常时，会触发"系统健康警报"。这听起来像是将Gemini连接功能整合到原有的谷歌Nest系统健康监测中，同时优化了对Matter智能开关的支持。

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英文来源：

A new update for Google Home could make it less likely your smart home cameras mistake you for someone else, just because you’re facing away from the camera. Starting June 23rd, Google’s expanding its facial recognition feature so that people you’ve tagged in your Familiar Faces library can continue to be identified when their faces aren’t clearly visible, using “additional non-biometric signals (body size, clothing color, etc.).”
Google Home will soon get better at recognizing you
Google’s smart home AI will be able to use clothing to identify people and recognize specific sounds caught on camera.
Google’s smart home AI will be able to use clothing to identify people and recognize specific sounds caught on camera.
The Familiar Faces library will also begin automatically updating with the most recent images of everyone in your house, so you should get fewer inaccurate notifications from outdated examples.
Google also says its AI-generated video event descriptions “can now identify specific sounds — like dogs barking, alarms, or footsteps” and include them in the notes, even if the audio came from something off camera. All of these updates could help address some of the quirks The Verge’s Jennifer Pattison Tuohy noticed while trying out Google’s updated smart home system last year, like event logs with detailed descriptions of people who weren’t there, and things that didn’t happen.
A new update to the Google Home app in version 4.20 also adds new “System Health alerts” if your Nest thermostat detects issues with your HVAC, which sounds like a Gemini-connected update to the previously existing Google Nest System Health Monitoring, and improved support for Matter switches.
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