Mac Bluetooth Keep Alive(Audio Cut-Off Fix)

AnkiWeb addon 1834316400

Prevents Bluetooth headphones from cutting off short audio clips by playing an extremely quiet 20 Hz tone while Anki audio plays, stopping two minutes after the last recording.
AI-generated summary; may contain mistakes.

bugfix-workaround

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Votes: 0 (👍 0 · 👎 0)
Updated: 2026-09-18
Anki versions: 2.1.1~
License: Not found (this does not mean that the addon has no license)
Virus scan: No ClamAV match A match does not prove malware. No match does not prove that the code is safe.
Languages: Python, JSON
Description language: en

Maintenance

active

Last update or commit: 2026-09-18 (44 days before the snapshot).

GitHub

No GitHub repository linked.

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Version branches

Min Anki	Max Anki	Updated
2.1.1	+	2026-09-18

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Description

A small Anki add-on for macOS that helps prevent Bluetooth headphones from cutting off the beginning or end of short audio clips.

Some Bluetooth headphones put their audio connection to sleep between sounds. This add-on keeps it active by playing a continuous, extremely quiet 20 Hz tone (approximately −90 dBFS) through a separate player.

Starts automatically when Anki plays audio.
Stops two minutes after the last recording finishes.
Resets the countdown whenever another recording plays.
Stays active throughout longer recordings.
Can be enabled or disabled from the Tools menu.
Does not modify your cards or audio files.

The background tone loops continuously with gapless playback enabled. It uses the mpv player bundled with Anki, so no separate player installation is required.

Limitations: The first clip after an idle period may still be cut off while the headphones wake up. Effectiveness depends on your headphones, and keeping the audio connection active may increase battery usage. Intended for modern Anki versions on macOS; compatibility across versions and headphone models has not been fully tested.