ALostInquirer@lemm.ee to No Stupid Questions@lemmy.world · edit-29 months agoWhat produced the old dead channel tv static audiovisuals on tvs?upload.wikimedia.orgexternal-linkmessage-square62fedilinkarrow-up1177arrow-down14file-text
arrow-up1173arrow-down1external-linkWhat produced the old dead channel tv static audiovisuals on tvs?upload.wikimedia.orgALostInquirer@lemm.ee to No Stupid Questions@lemmy.world · edit-29 months agomessage-square62fedilinkfile-text
Media alt text: 3D render of old tv set with animated static on its screen, as if tuned to a dead channel.
minus-squareALostInquirer@lemm.eeOPlinkfedilinkarrow-up8·9 months agoBy tv static, I mean like this btw:
minus-squareu/lukmly013 💾 (lemmy.sdf.org)@lemmy.sdf.orglinkfedilinkEnglisharrow-up9arrow-down1·9 months agoThere’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
minus-squareQuarterSwede@lemmy.worldlinkfedilinkarrow-up1·edit-29 months agoAh luminance subcarrier signals . Makes sense.
minus-squarenuachtan@lemmy.worldlinkfedilinkarrow-up2·9 months agoIt’s the echo that sings “I want my M-T-Vvvvvvvvvvv” right before the guitar riff kicks in.
By tv static, I mean like this btw:
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
Ah luminance subcarrier signals . Makes sense.
It’s the echo that sings “I want my M-T-Vvvvvvvvvvv” right before the guitar riff kicks in.