Mac audio sample rate mismatch caused Zoom freezing, high CPU usage

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A macOS user experienced persistent Zoom freezing and system lag due to an audio sample rate conflict. The coreaudiod daemon was consuming over 100% CPU because one audio device was set to 44.1kHz while others used 48kHz. This mismatch had accumulated over 39 hours of processing time before causing visible disruption. The issue was resolved by adjusting the sample rates without requiring a system reboot. The case illustrates how audio configuration mismatches can significantly impact system performance during applications like Zoom that aggressively access audio devices.

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