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The Patent behind the HomePod mini's 'Intercom' Feature was published yesterday by the U.S. Patent Office

1 Cover HomePod mini Intercom Service


Apple introduced the new "Intercom" feature with HomePod mini during an October 2020 Apple Event. With more than one HomePod mini in the home, users can easily communicate with their family members by voice using Intercom. Ask Siri to send your message to the whole house or to individual rooms — and everyone can easily respond. Below is the event snippet covering Intercom.


Yesterday, the U.S. Patent Office published Apple's patent covering all of the details behind the HomePod mini's "Intercom" service titled "Device Arbitration for Digital Assistant-Based Intercom Systems."  


Below is an image from Apple's HomePod mini marketing page illustrating the Intercom service is directed at the home market juxtaposed to their patent figure conveying the same theme and message.


2 x  HomePod mini intercom service with Siri


Apple's patent FIG. 9 presented below illustrates a flowchart of a process for providing an intercom service.


3 HomePod mini Intercom Service flowchart


Apple's overview of the patent states that it covers systems and processes for operating an intercom system via a digital assistant are provided. The intercom system is trigger-free, in that users communicate, in real-time, via devices without employing a trigger to speak. Acoustic fingerprints are employed to associate users with devices. Acoustic fingerprints include vector embeddings of speech input in an acoustic-feature vector space. Speech heard at multiple devices, as embedded in a fingerprint, may be clustered in the vector space, and the structure of the clusters is employed to associate users and devices. Based on the fingerprints, a device is mapped to a user, and the user employs that device to participate in a conversation, via the intercom service.


For those wishing to review the full details of patent application 20210350810.


A Few of the Inventors


Eugene Ray: Sr. Siri Reliability Engineer

Kisun You: Senior Engineering Manager, Siri

Sachin Kajarekar: Senior speech scientist / Engineering Mgr.

Ben Phipps: Software Engineer


10.51FX - Patent Application Bar


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