Sjmarf@sh.itjust.works to Programmer Humor@programming.dev · 4 months agoLDACsh.itjust.worksimagemessage-square117fedilinkarrow-up1848arrow-down14
arrow-up1844arrow-down1imageLDACsh.itjust.worksSjmarf@sh.itjust.works to Programmer Humor@programming.dev · 4 months agomessage-square117fedilink
minus-squaremsfroh@lemmy.calinkfedilinkarrow-up49·3 months agoSo when you zip some files and then unzip them, some of the bytes are missing? Really?!
minus-squareAnUnusualRelic@lemmy.worldlinkfedilinkarrow-up11·3 months agoIt’s only the zeros, so you’re not really missing anything.
minus-squareKanda@reddthat.comlinkfedilinkarrow-up2arrow-down45·3 months agoIf nothing is lost, what did you compress away? Decompression is magic, I ain’t gotta explain shit
minus-squareKayana@ttrpg.networklinkfedilinkarrow-up23·3 months agoIf you want the magic explained, here’s a start: https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch
minus-squareNatanael@slrpnk.netlinkfedilinkarrow-up1·3 months agoNewer fractional arithmetic encoding can get crazy https://en.wikipedia.org/wiki/Asymmetric_numeral_systems
minus-squareSwedneck@discuss.tchncs.delinkfedilinkarrow-up19·edit-23 months agoyou compressed away redundant data, 1111111000000000011111111 -> (1x7)(0x10)(1x8)
minus-squarephlegmy@sh.itjust.workslinkfedilinkarrow-up12·3 months agoKeep your magic ways to yourself, wizard
minus-squareenbipanic@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up18·3 months agoSome compression is lossy
Compression is lossy.
So when you zip some files and then unzip them, some of the bytes are missing? Really?!
It’s only the zeros, so you’re not really missing anything.
If nothing is lost, what did you compress away? Decompression is magic, I ain’t gotta explain shit
If you want the magic explained, here’s a start: https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch
Newer fractional arithmetic encoding can get crazy
https://en.wikipedia.org/wiki/Asymmetric_numeral_systems
you compressed away redundant data, 1111111000000000011111111 -> (1x7)(0x10)(1x8)
Keep your magic ways to yourself, wizard
Some compression is lossy