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GooglePatent applicationAudio & voiceInterest 4/10

Google patents Bluetooth audio pause method that keeps devices in sync

Patent drawing
Patent drawing from the official filing.

This filing describes a way for a device sending Bluetooth audio to adjust its signal timing when the music or video pauses. Instead of stopping completely, the sender changes its broadcast settings to send empty data packets, ensuring connected speakers or headphones stay synchronized with the main device.

Why it mattersThis improves the reliability of wireless audio connections by preventing devices from drifting out of sync during pauses, which is a common issue in multi-device setups.

In the filing’s own words

A user equipment (UE) broadcasts an audio stream such that the audio stream is receivable by the receiver devices in a broadcast isochronous group (BIG). While broadcasting this audio stream, the UE broadcasts packets of the audio stream as a series of broadcast events as defined by BIG configuration data store on the UE. In response to determining that the audio stream is to enter a pause state, the UE modifies the BIG configuration data at the UE to reduce the number of broadcasts during a broadcast event. The UE then begins broadcasting null data based on the updated BIG configuration data, allowing the receiver devices in the BIG to remain synchronized with the audio stream.

What exactly they claim (claim 1)

1. A user equipment (UE), comprising: media control circuitry configured to determine an audio stream is to enter a pause state; and broadcast circuitry configured to: broadcast one or more packets of the audio stream as a series of broadcast events defined by first broadcast isochronous group (BIG) configuration data; in response to the audio stream entering the pause state, update the first BIG configuration data based on one or more predetermined values for BIG configuration parameters associated with the pause state to produce second BIG configuration data; and broadcast one or more null data units in a broadcast event based on the second BIG configuration data.

Facts

Company
Google (GOOGLE LLC)
Official title
DYNAMIC BROADCAST ISOCHRONOUS GROUP CONFIGURATION MODIFICATION BASED ON MEDIA STATE
Publication number
US20260312709A1
Application number
19098584
Filed
Apr 2, 2025
Published
Oct 8, 2026
Inventors
3
Claims
12

Classified under

H04H 20/86 Electricity & electronicsH04H 20/106 Electricity & electronicsH04H 20/18 Electricity & electronics
Read the full filing (official PDF) ↗ Open in the Patent Tracker

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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.