Some audio delay with Auracast is normal
Bluetooth LE Audio requires a small amount of processing time. Current Auracast latency is typically around 40–60 ms.
Why might you notice it? In a venue, you may hear the room speakers directly while also hearing the Auracast stream. The difference in timing can sound like a slight echo.
Distance also affects what you hear
Sound takes time to travel through a room. The farther you are from the stage or PA speakers, the later the direct sound reaches you.
The farther sound travels through the room, the longer it takes to reach you. Click the image for a larger view.
Note: The 30 ms, 150 ms, and 300 ms shown in the image represent sound traveling through the room, not the Auracast latency itself.
Why can it sound like an echo?
You may be hearing the same audio through two different paths:
Sound travels from the speaker or PA system through the room.
Audio is transmitted wirelessly to your hearing aids or headphones.
When these two sounds reach you at slightly different times, you may notice an echo or doubled sound.
How can I reduce the echo?
- Hearing aids: Reduce the environmental microphone level if your hearing aids allow it.
- Headphones: Use headphones with better sound isolation to reduce direct room sound.
- Try another seat: Your position relative to the PA speakers can affect how noticeable the timing difference is.
Can the Auracast delay be reduced?
Planned firmware update
A firmware update is currently planned for October 2026 with two listening options:
Bottom line: A small Auracast delay is normal. If you also hear the room speakers, the difference between the direct sound and Auracast audio may make that delay more noticeable.
Still need help?
If the delay seems unusually long, tell us which transmitter and listening device you're using.
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