Listen to the sound clip This is automatic announcement system. Warning! The main door is opened. Lock sequence have failed. Please make sure the door is properly closed and repeat locking procedure. from Half-Life 1 Black Mesa Announcement System (Vox) SQ TTS Computer AI Voice:
This is automatic announcement system. Warning! The main door is opened. Lock sequence have failed. Please make sure the door is properly closed and repeat locking procedure.
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