▲ 175 ▼ What produced the old dead channel tv static audiovisuals on tvs? (upload.wikimedia.org) submitted 2 years ago* (last edited 2 years ago) by ALostInquirer@lemm.ee to c/nostupidquestions@lemmy.world 61 comments fedilink hide all child comments Media alt text: 3D render of old tv set with animated static on its screen, as if tuned to a dead channel.
[–] ALostInquirer@lemm.ee [S] 8 points 2 years ago (2 children) By tv static, I mean like this btw: permalink fedilink source hideshow 4 child comments replies: [–] user224@lemmy.sdf.org 8 points 2 years ago (1 child) There's always more or less random noise, and that's what you see and hear in analog systems. Random noise. As for why it isn't in color, see: https://dsp.stackexchange.com/questions/46401/why-is-tv-static-noise-always-black-and-white permalink fedilink source parent hideshow 2 child comments replies: [–] QuarterSwede@lemmy.world 1 point 2 years ago* Ah luminance subcarrier signals . Makes sense. permalink fedilink source parent [–] nuachtan@lemmy.world 2 points 2 years ago It's the echo that sings "I want my M-T-Vvvvvvvvvvv" right before the guitar riff kicks in. permalink fedilink source parent
[–] user224@lemmy.sdf.org 8 points 2 years ago (1 child) There's always more or less random noise, and that's what you see and hear in analog systems. Random noise. As for why it isn't in color, see: https://dsp.stackexchange.com/questions/46401/why-is-tv-static-noise-always-black-and-white permalink fedilink source parent hideshow 2 child comments replies: [–] QuarterSwede@lemmy.world 1 point 2 years ago* Ah luminance subcarrier signals . Makes sense. permalink fedilink source parent
[–] QuarterSwede@lemmy.world 1 point 2 years ago* Ah luminance subcarrier signals . Makes sense. permalink fedilink source parent
[–] nuachtan@lemmy.world 2 points 2 years ago It's the echo that sings "I want my M-T-Vvvvvvvvvvv" right before the guitar riff kicks in. permalink fedilink source parent
