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Don't pause Sonos when a Teams call starts - #109
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Teams pauses every SMTC media session on joining a call, which paused the office speakers for everyone. SMTC pause commands are now ignored while another app has the microphone open, and if the mic opens within 4s of a pause we resume playback. Normal media-key/flyout pauses stay instant. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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RichKelsey
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Oct 15, 2026
…110) The mic-in-use check from #109 didn't stop the pauses: Bluetooth headsets send pause when they connect, switch to call mode or come off, which doesn't line up with the mic opening. Windows can't tell those apart from a deliberate media-key pause, so pause commands from SMTC and Chromium's media session are now ignored on Windows. Play, next and previous still work, and pausing from the app and its taskbar buttons is unchanged. Removes the now-unused mic-in-use module. Co-authored-by: Richard Kelsey <rkelsey@truenorthit.co.uk> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
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Problem
When you join a Teams call, Teams pauses every Windows media session (SMTC). The native SMTC addon sent that pause straight to Sonos, so one person joining a call paused the office speakers for everyone.
Fix
The pause event doesn't say who sent it, so "another app has the microphone open" is used as the call signal (read from the Windows CapabilityAccessManager consent store, the same data behind the taskbar mic indicator):
SmtcPauseIgnoredtelemetry event.Only the SMTC path is gated. The in-app pause button and taskbar thumbnail buttons are unaffected.
Trade-offs
Testing
reg queryoutput:node --test src/mic-in-use.test.tstscand ESLint pass.🤖 Generated with Claude Code