WebM → MP2

Guqula Eyakho WebM ukuba MP2 iifayile ngokulula

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Iyalayisha

Indlela yokuguqula WebM ukuba MP2

Inyathelo 1: Layisha eyakho WebM iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

Inyathelo lesi-2: Cofa iqhosha elithi 'Guqula' ukuze uqalise ukuguqula.

Inyathelo lesi-3: Khuphela i-converted yakho MP2 iifayile

WebM ukuba MP2 Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyikhupha njani kuphela i-audio track ukusuka kwi WebM njenge MP2?

Layisha phezulu ifayili WebM kwaye umguquli ukhupha umsinga wesandi ukusuka kwisiqulathi seefayili WebM, emva koko uguqula ikhowudi ibe yi MP2. Ii-frames zevidiyo zilahliwe — akukho xesha lesibini lokudlulisa ividiyo, akukho lahlekelwa komgangatho ngaphezulu kwento ekhoyo kwi-MP2 codec. I-WebM yinxalenye encinci eqinileyo ye-Matroska epapashwe yiGoogle ngo-2010 ekhethekileyo ukunika i-HTML5 ividiyo isiqulathi seefayili esingenazo iirhafu. I-MP2 yi-MPEG-1 Umphezulu Womsindo II, umphezulu ongaphambili kwe-MP3 wavela waba ngumlinganiselo womgangatho womfanekiso we-DVB kunye ne-DAB yosasazo.

Ingaba ukutshintsha WebM ukuya ku MP2 kujikelezo lwesibini lokucinezela okulahlekileyo?

Ewe, kwaye kufanelekile ukucwangcisa. Zonke iifomati zilahlekile, ngoko ke i MP2 encoder isebenza kwisandi esisele sidlula kwindlela enye ye psychoacoustic, kwaye izigqibo zayo zidibanisa iseti yokuqala. Kwi 192 kbps okanye ngaphezulu isiphumo sihlala sicacile kubaninzi bokuziva. Ukuba une master engalahleki naphi na, ukukopela i MP2 ukusuka apho endaweni yoko ikhusela i pass kabini ngokupheleleyo. I-WebM imiselwe ukuba incinci: i-VP8 okanye i-VP9 ividiyo (i-AV1 ngoku isasazeka) ene-Vorbis okanye i-Opus isandi, akukho nto enye. MP2 ilahlekile kodwa isebenzisa ibanki yecebo lokucoca ulwelo elilula kune MP3, eqhelekileyo isebenza kwi 192 ukuya kwi 384 kbps.

Ingoma yesandi eyiphi ephumayo xa WebM yam iqulethe ezininzi?

Ngokungagqibekanga umsinga 0 (umkhondo wokuqala wesandi, ngokuqhelekileyo umxube omkhulu). Ukuba i-WebM yakho ithatha iinkcazelo, i-dubs, okanye i-audio echazayo kwiimvavanyo ezongezelelweyo, umkhethi ophambili "umsinga wesandi" ukuvumela ukuba ukhethe 1, 2, 3... ngokucacileyo. Uluhlu lwemikhondo luboniswe kwimboniso yokukhuphela ukuze ungakhetha ngokuzifihla.

I-MP2 ifayili isebenzisa i-bitrate enjani?

I-MP2 emiselweyo ye-bitrate yi-192 kbps (ibonisa ngaphaya kwengoma kwiimvakalelo ezininzi). Nciphisa kwi-320 kbps yemveliso yeaudiophile, okanye 96-128 kbps yelizwi/ipodcast apho ifayili encinci iphambili. Iinjongo ezingalahlekiyo MP2 (WAV, FLAC) zingahoyi isicwangciso se-bitrate kwaye zigcine zonke iiseti.

Ingaba ukutshintsha ukusuka ku WebM ukuya ku MP2 kuya kunyusa ubunjani besandi sam?

Ukuba i MP2 ifomati ayilahleki (WAV, FLAC, ALAC), yonke isampuli ebhaliweyo igcinwa. Ukuba i MP2 ilahlekile (MP3, AAC, OGG, Opus), i-codec iphinda icinezele - kwi-192 kbps utshintsho aluthethiweyo kwizinto ezininzi; kwi-96 kbps ungava i-cymbals okanye i-sibilants ecocekileyo. I-WebM isiqwengana asiyi kubangela oku - i-codec kuphela emiselweyo ebalulekileyo.

Ingaba i-MP2 ekhutshweyo igcina i-WebM inqanaba lesampuli?

Ngokungagqibekanga ewe — 48 kHz WebM isandi siyi 48 kHz MP2 isandi, 44.1 kHz siyi 44.1 kHz. Ukuba ufuna ukunyusa isampuli ukuhambelana (umzekelo. 96 kHz studio masters ukuya 44.1 kHz CD-quality MP2) isampuli-rate dropdown yenza oku ngesampuli ephezulu-yexabiso.

Ndingazikhuphela njani ii-MP2 zesandi kwisiqulathi seefayili se-WebM?

Ewe — susa isiqulathi seefayili WebM kwindawo yokulayisha kwaye siqhube ukususwa ngokuthe tye. I-Premium ifumana abasebenzi abathe tye abaninzi; kwi-100-file batch (uluhlu lwemiculo-ividiyo) le yi-difference phakathi kweemizuzu ezi-90 nemizuzu eli-8.

Ithatha ixesha elingakanani ukutsala i-MP2 ukusuka kwi-1-iyure i-WebM?

I-audio demux + transcode iqhuba ngokukhawuleza kunevidiyo yokubuyisela kwikhowudi - ihlala i-5-15% yobude bomthombo. Iyure ye-1 WebM -> MP2 igqiba kwimizuzu ye-3-9 kwindlela eqhelekileyo yokuhambisa. Ukuba i-MP2 codec ifana ne-source codec sele kwi-WebM (eqhelekileyo kwi-AAC ngaphakathi MKV / MP4), yi-remux ecocekileyo kwaye iqhuba kwimizuzu.

Ingaba ifayili MP2 izakuthwala isihloko / umculi / i-tag ye-albham?

Ukuba i-WebM ifayili igcina i-metadata yokuhamba (umculi, isihloko, i-albham), sikopa ezi ndawo kwi MP2 isiqulathi seefayili apho ifomati ixhasa ii-tags. ID3v2 (MP3), i-Vorbis iphawula (OGG, FLAC), i-MP4 i-atoms (AAC / M4A), RIFF INFO (WAV) zonke zibhalwe. I-Untagged WebM ivelisa i-untagged MP2 — sebenzisa i- Mp3tag okanye i-Picard emva-korhwebo ngaphandle ukunika amandla.

Ingaba i WebM yam ifihlakeleyo xa ndisusa umsindo?

Ewe - imodeli yobumfihlo efanayo neyokuguqulwa ngalinye. Umsuka WebM nemveliso MP2 ziqhubekekiswa kubasebenzi abakhuselekileyo kwaye zicinywe kwimizuzu. Asiyi kudlala, sigcine, okanye sisebenzise imixholo. Bona /privacy/.

Kutheni i MP2 yam isebenzisa izithuba ezizinyamalalayo okanye isebenzisa isandi esingalunganga?

I-WebM yakho iqulethe ubeko lwesandi se-multi-track kwaye sakhupha umsinga ongachanekanga (umzekelo, umsinga wesandi ochazayo okhululekileyo endaweni yoxubo oluphambili). Phinda uqhube nge "umsinga wesandi" ophambili okhethwayo omiselwe kwisikhombisi esifanelekileyo, okanye ukhethe "zonke iziqhagamshelanisi" ukukhupha umsinga ngamnye njengefayili ehlukileyo ye MP2.

Ingaba ukususwa kwe MP2 ku stereo, mono, okanye 5.1?

Ubeko lwesiqhagamshelanisi lulandela i WebM ngokumiselweyo: 5.1 WebM umsinga wesandi uvelisa i 5.1 MP2 apho i-codec ixhasa khona (AAC, FLAC, OGG, Opus). Ukhetho lwesiqhagamshelanisi-sokunxulumana phantsi lukhuthaza i-stereo okanye i-mono — luncedo kwipodcast yokuhamba komsebenzi okanye ukuhambelana ne-mono kuphela i-Bluetooth speakers.