MP3 yog lub suab digital nrov coding. Thaum saib me ntsis ntawm ib qho MP3, feem ntau qhov loj me ntsis, zoo dua qhov suab zoo. Ib qho qis me ntsis tsuas yog siv tau thaum chaw seem tsawg kawg.
Hais Txog Tus Ntaus Tus Nqi
Hauv MP3, me ntsis tus nqi yog ib qho kev ntsuas ntawm cov ntaub ntawv tawm suab hauv ib qho kev siv sij hawm. Tsuas pub, nws yog cov khoom me me uas ua tiav txhua ob. Piv txwv, cov ntaub ntawv hauv cov ntaub ntawv hauv MP3 uas tau raug encoded nrog tus nqi me ntsis ( CBR ) ntawm 128 kilobits ib xuab moos yog ua tiav ntawm 128,000 khoom txhua ob. Rau suab uas tau raug encoded ntawm tus nqi me ntsis ( VBR ), tus nqi tso tawm yog qhov nruab nrab.
Lub siab tus nqi me ntsis, zoo dua qhov suab zoo thaum ua si rov qab los ntawm lub suab nrov los yog lub suab nrov. Txheem muab cov suab nrawm rau hauv kev xav thaum tham txog kev them nqi me me, tus txheej txheem audio CD, uas muaj cov ntaub ntawv tsis tshua muaj suab npe, muaj nqi ntawm 1,411 Kbps. Qhov no zoo siab tshaj qhov zoo me ntsis rau cov suab paj nruag MP3s, uas yog 320 Kbps.
Npaum Li Tus Nqi Npaum Li Cas Rau Koj
Tshwj tsis yog tias koj xav txog koj tus kheej ib audiophile thiab muaj ib tug khub saum toj kawg nkaus ntawm lub ntsej muag los siv thaum koj mloog koj lub suab seev, me ntsis ntawm koj MP3s yuav tsis txawv. Yog tias koj hnav cov khoom lag luam pheej yig nrog koj lub iPod, koj yuav tsis tau hnov qhov txawv ntawm koj lub suab seev. Txawm nrog cov headphones hwm, qhov txawv ntawm qhov chaw siab thiab tsis tshua muaj kev pom tsawg tshaj plaws hauv ob peb cheeb tsam: ib qho me ntsis ntawm qhov kev nthuav dav yuav ploj hauv MP3s qis, koj tuaj yeem tsis hnov cov ntaub ntawv keeb kwm yav dhau, los sis koj yuav hnov ib tug me me ntawm distortion.