Google patents earbud tech to speed up voice command response
Google describes a method for sending voice commands from earbuds to a phone faster by using a specific Bluetooth channel called CIS. This dedicated path helps reduce the delay between speaking a request and the device responding.
In the filing’s own words
Various embodiments for managing utterance data latency over Bluetooth Low Energy (BLE) are described herein. The techniques described use a CIS connection for communicating an utterance received by an earbud to the audio host (AH). The CIS connection can be used to transmit utterance data (e.g., a hotword followed by a user request) to a computing device to help to improve a user experience by reducing latency in interacting with a virtual assistant or perform some other operation.
What exactly they claim (claim 1)
1. A method for managing utterance latency over Bluetooth Low Energy, the method comprising: establishing an Asynchronous Connection Oriented Link (ACL) connection between an earbud and a computing device; establishing a Connected Isochronous Stream (CIS) connection between an earbud and the computing device; detecting, at the earbud, an utterance; transmitting, using the CIS connection, the utterance to the computing device; and receiving, using the CIS connection, audio data associated with the utterance.
Facts
- Company
- Google (Google LLC)
- Official title
- Managing Utterance Data Latency
- Publication number
- US20260290338A1
- Application number
- 19473124
- Filed
- Apr 5, 2024
- Published
- Sep 24, 2026
- Inventors
- 1
- Claims
- 20
Classified under
G10L 15/22 Physics & computingG10L 15/08 Physics & computingH04R 1/1016 Electricity & electronicsH04W 76/14 Electricity & electronicsG10L 2015/088 Physics & computingH04W 88/04 Electricity & electronicsMore from Google in Audio & voice
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.