Words and audio
The short answer to what are sound effects called in writing is usually onomatopoeia when a word imitates a noise. Descriptive prose, comics, and scripts use other terms too; the right name depends on what the words do.
A written sound effect is not always an imitation, and a word on the page is not itself a playable recording.
Mistake every mention of noise for onomatopoeia. “The door slammed” describes an event; “bang” imitates its sound.
Choose imitation only when the sound itself deserves attention. For a different medium, see what is sound effect in music.
Assume a printed “crash” is an audio file. It is visual text that invites the reader to imagine a noise.
Treat lettering, scale, and placement as storytelling choices. For concrete categories, see sound effects examples.
Put every noise in dialogue. A cue such as “A GLASS SHATTERS” usually belongs in action, not a character’s speech.
Give production readers a clear event to interpret. For moving-image context, see sound effect for youtube.
Expect the written cue to supply the finished sound. A script describes an audible event; an edit needs an audio asset.
Separate the direction on the page from the recording on the timeline. For that distinction, see sound effect vs audio.
Onomatopoeia names words that echo sounds. It does not name every technique for representing sound in writing.
In prose, a writer can describe a sound or imitate it. In comics, a lettered “whoosh” may also function as a visual design element. In scripts, a sound cue tells readers what should be heard in the scene.
“Buzz,” “hiss,” and “thud” can be onomatopoeic words because their forms suggest noises. “The engine grew louder” is sound imagery or description: it conveys hearing without spelling out the noise.
A written sound effect might establish location, mark an impact, interrupt dialogue, or set a rhythm. Pick a term for the technique you used, then decide whether readers need the exact noise or merely its consequence.
The boundary is between words that represent hearing and audio that a listener can play. These related pages explore where that line matters.
Calling everything on the page onomatopoeia can obscure what a passage or production cue actually needs.
“Rain tapped against the window” conveys a sound, but the sentence does not have to be classified as an onomatopoeic sound effect.
What to do instead
Call it auditory imagery or sound description when the words evoke hearing without imitating the noise.
A string of “boom” and “crash” cues can leave readers unsure what happened, where it happened, or why a character reacts.
What to do instead
Name the source or consequence when it matters: “A metal tray falls. Clang.”
A stage direction specifies an event, not a finished waveform. It cannot establish a recording’s quality, suitability, or usage rights.
What to do instead
Choose and assess the actual audio separately when the work moves into production.
These images illustrate a change of medium, not a literal before-and-after conversion. A phrase such as “footsteps on gravel” gives direction; a recorded sound requires separate creation or selection.
Written conceptAudio contextThese are categories, not interchangeable names for the same thing. The examples show how a sound effect on the page differs from a broader description.
| Onomatopoeia | Other written sound cues | |
|---|---|---|
| Core idea | A word imitates or suggests a noise. | Words describe, instruct, or evoke something heard. |
| Prose example | “The latch clicked.” | “The latch gave way behind her.” |
| Comic example | A lettered “KRAK” marks an impact. | A caption describes the building settling. |
| Script example | “BANG” conveys the character of a noise. | “A door slams offscreen” specifies an event. |
| What readers receive | A suggested noise in the form of a word. | Context about the source, setting, or effect of a noise. |
| What neither supplies | A playable recording. | A playable recording. |
Once your scene calls for a sound effect a listener will actually hear, the words become a brief rather than the finished result. Soundeffect can point you toward an audio-focused workflow; assess any resulting audio for your project and its intended use.
The term is onomatopoeia. Words such as “buzz” and “clang” suggest the noises they name, though people may interpret those imitations differently.
No. A writer can evoke hearing through auditory imagery, describe a noisy event in ordinary prose, or give a sound cue in a script. Onomatopoeia applies when the wording itself imitates or suggests a noise.
Comic sound words are often called sound effects or onomatopoeia. Their lettering and placement can help show timing and impact, but the printed words are still not recorded audio.
Write a clear cue that identifies the audible event and where it matters to the scene. A concise direction such as “A GLASS SHATTERS offscreen” tells readers more than an unexplained noise word alone.