STFU
A tiny web app that records ambient sound and plays it back with a short delay is being pitched as a way to shame people who blast videos or calls in public spaces into turning the volume down. Commenters are split between seeing it as a clever, AI-assisted hack against noise pollution and criticizing it as passive‑aggressive, potentially escalating, and more antisocial than simply asking someone politely. The exchange broadens into arguments over changing social norms around public noise, personal responsibility versus “you do you,” and how much risk people should accept when confronting rude behavior face to face.
Delayed audio & speech jamming
- App plays ambient audio back with ~2s delay; many think effective jamming happens at a few hundred ms instead (“Delayed Auditory Feedback”).
- People recall VR VoIP tests, phone network echoes, and mic‑test sites where even short delays make speaking or playing music very difficult.
- Some note paradox: similar tech at shorter delay can help certain stutterers, but at longer delay it “short-circuits” fluent speakers.
Prior art and related gadgets
- Comparisons to the Japanese “speech jamming gun” and Ig Nobel–winning work are frequent.
- Thread links to older “speech jammer” devices, Bob Widlar’s “hassler” circuit, and museum exhibits using DAF.
- Many analogies to TV-B-Gone, Flipper Zero IR apps, hacked remotes, and other small “spite tools” for silencing TVs or toys.
Noise, courtesy, and “rights” in public
- Big divide: some say people have a broad right to make noise in public and society is becoming too intolerant; others see rampant inconsiderate behavior (TikToks in airports, TVs in cafes, loud music on transit).
- Arguments over whether “rights” framing makes sense vs. simple courtesy and shared norms.
- Repeated complaints about loud cafés, restaurants, and urban sound design; some blame deliberate turnover-maximizing design, others ignorance of acoustics.
Confrontation vs passive-aggressive tech
- One camp: just politely ask people to turn it down; many report high success rates when phrasing is respectful.
- Another camp cites assaults or threats when doing so, especially in certain cities or with status‑seeking “tough” demographics; they see tools like this as safer or at least less directly confrontational.
- Critics call the app childish, passive‑aggressive, and likely to escalate; some suspect it’s more “revenge fantasy” than something people will actually run next to a stranger.
- Several point out the irony that using this in someone’s face probably requires more courage than a simple “could you turn that down?”
Culture, class, and safety
- Comments suggest norms differ sharply by country and city: in some places people routinely correct others; in others you “mind your own business” unless behavior is extreme.
- Specific note on Bombay/India: older higher‑status people allegedly go unchallenged; younger people seen as more egalitarian and inventive.
- Recurrent concern that using this (or any antagonistic tactic) on the wrong person—e.g., on US transit—could realistically lead to violence.
Nature, hiking speakers, and headphones
- Long subthread on people hiking or biking with Bluetooth speakers: many see it as pure noise pollution; others defend it (comfort, safety in bear country, loneliness, disliking earbuds).
- Disagreement over “you do you” vs. “your freedom stops where mine starts” in shared outdoor spaces; some advocate shaming or direct conversations.
- Discussion of alternatives: open‑ear and bone‑conduction headphones, transparency modes, cheap wired headphones; counter‑arguments about comfort, cost, and situational awareness.
Other anti‑noise tactics & jammers
- Stories of muting TVs via IR remotes, playing multiple obnoxious tracks at once, or loudly joining strangers’ speakerphone calls to make them stop.
- Mentions of Bluetooth and cell jammers and Wi‑Fi deauth tools, with explicit acknowledgment these are illegal in many jurisdictions and carry serious penalties.
AI and “vibe-coded” micro‑apps
- Some see this 12‑line, AI‑generated web app as a neat illustration of how trivial tools can be one‑shot with an LLM.
- Others mock it as “theatrical programming” and “vibe‑coded slop” whose main function is to support a social‑media anecdote rather than solve a real problem.