To understand why a microphone fails, one must understand the permission hierarchy. Audio input does not flow directly from the device to Google Meet. It passes through a strict security funnel:
A frequent, yet overlooked cause is the browser's inability to handle multiple audio streams. Browsers like Chrome utilize the getUserMedia Web API to request audio. google meet can't use microphone
Since macOS Mojave (10.14), Apple implemented a rigid permission structure. The OS requires explicit user consent for any app attempting to access the microphone. However, the confusion arises because users often grant permission to the (e.g., Google Chrome), not realizing that browsers are multi-process applications. To understand why a microphone fails, one must