Lossless vs Lossy Compression Woɖe eme: Mɔfiame Blibo la

Àte ŋu atrɔ tso nɔnɔme si me nubuname mele o dzi ayi esi me nubuname le dzi ɣesiaɣi, gake nusi to vovo na ema manya wɔ ŋutɔŋutɔ o. Ne wonya tsɔ nyatakakawo ƒu gbe le lossy compression me ko la, womate ŋu axɔ wo o. Trɔtrɔ tso nɔnɔme si me bu me yi esi me bu mele o me ana faɛl la nanɔ nɔnɔme si me wòle fifia me (si me nyonyome ƒe bu ɖesiaɖe hã le), gake magbugbɔ nyatakaka gbãtɔ siwo woɖe ɖa le nutete gbãtɔ si bu me la aɖo te o.

Lossless compression megblẽa nu le faɛlwo ŋu gbeɖe o—le gɔmesese nu la, faɛl si woɖe ɖa la sɔ kple gbãtɔa. Lossy compression ɖea nyatakakawo ɖa tegbee nyateƒe, gake esia nyea to ɖoɖo nu eye zi geɖe la, eɖoa nyatakaka siwo mekpɔa ŋusẽ boo aɖeke ɖe nukpɔsusu dzi o. Le liƒo gome la, le dzɔdzɔme nu la, faɛl siwo woƒo ɖe enu nyuie la meli ke boo o wu esiwo womeƒo o. Gake faɛl aɖewo siwo woƒo ƒu ŋutɔ ate ŋu agblẽ bɔbɔe wu, elabena vodada sue aɖe ate ŋu akpɔ ŋusẽ ɖe nyatakaka geɖe dzi ne nyatakakawo yɔ fũ.

Nusiwo bu ƒe nutete naa nutete ƒe xexlẽme si nyo wu sã wu mɔnu siwo me nubuname mele o, zi geɖe la, enɔa sue wu zi gbɔ zi 10-100. Esia na wòɖea vi na dɔwɔwɔ siwo me faɛl ƒe lolome, bandwidth, alo nudzraɖoƒe ƒe mɔxenuwo nye nu vevi siwo ŋu woabu. Gɔmesese vevitɔe nye be wotrɔ asi le nutete si bu ŋu be wòaɖe nyatakaka siwo amegbetɔwo mede dzesii boo o alo esiwo mekpɔa ŋusẽ boo aɖeke ɖe nɔnɔme si wosusu dzi o la ɖa. Le dɔwɔnu geɖe gome—abe haƒoƒo siwo woɖena ɖe go, fotowo mama, alo videowo kpɔkpɔ ene—la, asitsatsa si le mɔ̃ɖaŋununya ƒe nyonyome dzi ɖeɖe kpɔtɔ vie kple faɛl ƒe lolome dzi ɖeɖe kpɔtɔ gã dome ɖea vi ŋutɔ.

Nɔnɔmetatawo ƒe nutete kpɔa ŋusẽ ɖe SEO dzi vevie to axawo ƒe agbatsɔtsɔ ƒe duƒuƒu dzi, si nye ɖoƒe vevi aɖe na mɔ̃ siwo dia nyatakakawo. Nɔnɔmetata siwo woƒo ɖe enu nyuie ɖea axa ƒe kpekpeme dzi kpɔtɔna eye wònaa agbatsɔɣiwo nyona ɖe edzi, si wɔnɛ be zãla ƒe nuteƒekpɔkpɔ ƒe xexlẽdzesiwo nyona ɖe edzi eye wokpɔa didi ƒe ɖoƒe kɔkɔwo. Togbɔ be zi geɖe la, nutete si bu nana be woaɖe woƒe lolome dzi akpɔtɔ nyuie wu hã la, nu vevitɔe nye be woada asɔ nyuie—ele be woaƒo nɔnɔmetatawo nu ƒu ale gbegbe be woate ŋu atsɔ agba kabakaba gake woalé woƒe nyonyome si sɔ me ɖe asi be woaƒo wo ɖokui ɖe wo zazã me eye woatsɔ nyatakakawo ana nyuie. Egbegbe nɔnɔmewo abe WebP ene naa nutete nyuitɔ kekeake kple nyonyome nyui, eye nɔnɔmetata siwo ɖoa nya ŋu ƒe dɔwɔwɔ naa wokpɔa egbɔ be woɖoa wo ɖe mɔ̃wo katã dzi nyuie.

Nutetemɔnu ɖeka aɖeke mewɔa dɔ nyuie na nyatakaka ƒomeviwo katã o. Akɔntabubu ƒe nɔnɔme vovovowo kple nusiwo woɖe le eme si woate ŋu azã le nyatakaka ƒomevi vovovowo si. Nuŋɔŋlɔ ƒe nutete to vovo na nɔnɔmetatawo, siwo tea nu to vovo na odio alo video. Le hatsotso aɖe abe nɔnɔmetatawo ene gɔ̃ hã me la, foto si ƒe amadedewo trɔna bɔbɔe la ƒoa nu wòto vovo na nɔnɔmetata si ƒe nugbɔ ɖaɖɛ si ƒe amadedewo seɖoƒe li na. Esia tae nɔnɔme tɔxɛwo li na nyatakaka ƒomevi vovovowo, eye nusita egbegbe nutete dɔwɔnuwo bua nyatakakawo ŋu zi geɖe be woawɔ akɔntabubumɔnu si wɔa dɔ wu ŋudɔ na nyatakaka ƒe ɖoɖo ɖesiaɖe koŋ.

Be woake ɖe nutete ƒe ɖoɖo nyuitɔ ŋu bia be woada asɔ le nu etɔ̃ me: faɛl ƒe lolome, eƒe nyonyome, kple ɣeyiɣi si woatsɔ awɔ dɔe. Le nutete si bu gome la, wɔ nukpɔkpɔ alo nusese dodokpɔwo be nànya afisi nyonyome dzi ɖeɖe kpɔtɔ va dzena le wò nyatakaka tɔxɛwo kple nyaselawo ŋu. Le nutete si me nubuname mele o gome la, tsɔ akɔntabubumɔnu vovovowo sɔ kple wo nɔewo be nàkpɔ lolome dzi ɖeɖe kpɔtɔ nyuitɔ kekeake na wò nyatakaka ƒomevi. Dɔwɔwɔ geɖewo naa nutete ƒe dzidzenu siwo woɖo ɖi (e.g., bɔbɔe, titina, kɔkɔ), si naa gɔmedzedze nyuiwo. Do nusi woɖe ɖe go la kpɔ ɣesiaɣi le teƒe si nèdi be yeawɔe—nutete ƒe ɖoɖo si dzena nyuie le wò mɔ̃ si wotsɔ wɔa dɔe dzi la mate ŋu anyo wu le mɔ̃ vovovowo dzi alo le nukpɔkpɔ ƒe nɔnɔme vovovowo me o.

Le nutete si mebu o gome la, nutete kple nutete ƒe tsatsam enuenu mekpɔa ŋusẽ aɖeke ɖe eƒe nyonyome dzi o—fail la gakpɔtɔ le abe gbãtɔa ene. Le nutete si bu gome la, zi geɖe la, nutete ƒe tsatsam yeye ɖesiaɖe hea nyonyome ƒe bu bubuwo vɛ, si woyɔna be “dzidzime ƒe bu.” Esia nye kuxi vevietɔ ne wole akɔntabubu alo ɖoɖo vovovowo zãm le dzidzimewo me. Le kpɔɖeŋu me, ne ètrɔ asi le JPEG nɔnɔmetata ŋu enuenu hedzrae ɖo la, ana eƒe nyonyome naɖiɖi vivivi. Be nàɖe dzidzime ƒe bu dzi akpɔtɔ la, wɔ dɔ tso dzɔtsoƒe faɛl si le nyonyome nyuitɔ kekeake si li me ɣesiaɣi, eye nàdzra domedomedɔwo ɖo ɖe nɔnɔme siwo me bu mele o me le ɖɔɖɔɖodɔwo me.