ALostInquirer@lemm.ee to No Stupid Questions@lemmy.world · edit-27 months agoWhat produced the old dead channel tv static audiovisuals on tvs?upload.wikimedia.orgimagemessage-square62fedilinkarrow-up1179arrow-down14file-text
arrow-up1175arrow-down1imageWhat produced the old dead channel tv static audiovisuals on tvs?upload.wikimedia.orgALostInquirer@lemm.ee to No Stupid Questions@lemmy.world · edit-27 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-squareu/lukmly013 💾 (lemmy.sdf.org)@lemmy.sdf.orglinkfedilinkEnglisharrow-up9arrow-down1·7 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-27 months agoAh luminance subcarrier signals . Makes sense.
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.