廣告

用這個音效做影片

把這個音效放到你自己的片段上——文字、對話氣泡、倍速,都在 App 裡。

相關關鍵字

✦ AI

關於此聲音

✦ AI

The flat line sound effect is the steady high-pitched tone of a heart monitor with no heartbeat, used for death scenes, fails and dramatic endings.

This is the continuous electronic tone heard when a hospital heart monitor flatlines, a single unbroken pitch that replaces the regular beeps of a heartbeat. There is no rhythm, no rise or fall, just a flat, clinical hum that instantly signals that something has stopped for good. In edits the sound carries a darkly comic weight far beyond a medical scene, turning an awkward silence, a bad joke or a total collapse into a clear punchline. The longer it holds, the more final and absurd the moment feels to the viewer watching.

The flatline tone comes from electrocardiogram monitors in hospitals and medical dramas, where a flat line on the screen and a continuous alarm tone mean the heart has stopped. That pairing made the sound instantly readable on television long before memes, so viewers needed no explanation when it moved online. Creators began borrowing it for non medical moments as shorthand for dead, done or completely unresponsive. It remains popular because the meaning is universal and the timing is flexible, working as both a serious cue and a dry joke.

專業使用技巧

✦ AI

Start the tone the instant the joke or attempt fails, and let it run under a frozen frame or slow zoom. Do not add music underneath, the empty single pitch works best when it completely replaces dialogue and reaction sounds.

使用案例

✦ AI
  • Drop it after a character dramatically fake dies in game.
  • Use it when a joke lands with total silence.
  • Play it over a failed stunt or challenge attempt.
  • Add it to mark a brain shutdown reaction moment.

常見問題

✦ AI
What is the flat line sound effect?
It is the continuous high pitched tone played by a heart monitor when it detects no heartbeat. Instead of spaced beeps for each beat, the monitor produces one unbroken sound alongside a flat line on the screen display.
Where does the flat line sound come from?
The sound comes from real hospital electrocardiogram equipment, widely heard in medical television shows and films. A flat trace indicates no electrical activity from the heart, and the steady alarm tone alerts staff immediately to that critical change in status.
How do creators use the flat line sound?
Creators place it at the exact moment something fails, dies or stops working in a video. It works over reaction shots, game deaths and awkward silences, where the unchanging tone exaggerates the finality and makes the scene funnier.

上傳你自己的音效 新

有搞笑的片段嗎?在 SoundInstants App 裡上傳你的 MP3。審核通過後,所有人都能播放。

在 App 中上傳
廣告

相關音效

最受歡迎

查看全部
廣告