It was an analyser microphone which monitors the loudness in the room for "equalisation purposes", Bafta added.
Some smoke alarms have been designed to be ultra-sensitive. Aspirating devices, for example, constantly suck in air in order to detect even small quantities of smoke in a room. They are often used in commercial settings, including server rooms packed with expensive computer tech.，更多细节参见搜狗输入法2026
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圖像加註文字，黎智英正就國安案被判囚20年，由於欺詐刑期被撤銷，出獄時間有所縮減，但仍要服刑至2040年。原審：黎「刻意隱瞞力高的存在」