AC3 → MP3

Guqula Eyakho AC3 kuya MP3 amafayela kalula

Khetha amafayela akho

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Ukulayisha

Indlela yokuguqula AC3 kuya MP3

Isinyathelo 1: Layisha eyakho AC3 amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho MP3 amafayela

AC3 kuya MP3 Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani umsindo AC3 ube MP3 ngaphandle kokulahlekelwa ukhwalithi?

Layisha phezulu ihele AC3 futhi umguquli ukhetha MP3 i-codec / i-bitrate ehambisana neprofayili yomsuka. I-lossless MP3 (WAV / FLAC / ALAC) igcina yonke isampula ngokugcwele; i-lossy MP3 (MP3 / AAC / OGG / Opus) iphutha liyi-192 kbps ecacile kakhulu kunoma iyiphi ingxenye yomculo. AC-3 yisandi esingenalutho esingena-channel, sivame u-5.1 ku-384 noma ku-448 kbps, ne-metadata yokuxoxa nokuhlanganiswa ngezansi. MP3 ilahlekelwa: imodeli ye psychoacoustic isusa iziqongo ezingezona ezivamile, ezivame ukuba ngu-128 kuya ku-320 kbps.

Ingabe ukushintsha AC3 kuya ku MP3 kuyingxenye yesithathu yokucindezela okulahlekile?

Yebo, futhi kufanelekile ukuhlela. Izifomethi zombili ziyi-lossy, ngakho-ke i-MP3 encoder isebenza kusuka kumsindo osele udlulele engxenyeni eyodwa ye-psychoacoustic, futhi iziphakamiso zayo zihlanganisa isiqephu sokuqala. Ku-192 kbps noma ngaphezulu, imiphumela ihlala icacile kakhulu. Uma une-lossless master nganoma yikuphi, uku-encoding i-MP3 kusuka kulo kunciphisa ukudlula okuphindiwe ngokuphelele.

Ingabe ngiyiphawula i MP3 ngemininingwane yomuntu odlalayo ne-album?

Yebo, futhi kuyinzuzo engokoqobo ngaphezulu kwe AC3, engeke ikwazi ukugcinwa kuphi naphi. MP3 ifaka isihloko, umculi, i-album, unyaka, inani le-track kanye ne-cover art efakwe ngaphakathi kwebhokisi, ngakho-ke i-library yomculo ifaka ngokulungile ngaphandle kokufaka isandla. Akukho lutho olushaya i-MP3 ngokuhambisana - i-car stereos, imishini ye-gym, i-DAPs ne-hardware eneminyaka engu-20 yonke ifunde ngaphandle kwemibuzo.

Yini ekwenzeke kumsindo othile uma uguqula AC3 ku MP3?

Ihlolwe phansi ku-stereo, ngoba MP3 ayinayo indlela esebenzayo ye-multichannel. Ukuxuba okuphansi kusetshenziswa izilinganiso ezijwayelekile ukuze umhlangano we-channel ephakathi uhlale ucacile futhi izingqimba zixhunywe ku-level ephansi. Noma yini esekelwe ekubekeni kwe-channel ehlukile idlule lapho lokhu kwenzeke. I-MP3 ihlukaniswe ngokukhethekile yi-AAC ne-Opus nganoma yisiphi isivinini se-bit, ingagcina ngaphezulu kwama-channels amabili ngokunembile, futhi ihlala ifaka ukulibazisa okuncane kwe-encoder.

Ihele MP3 liphele nini nge-bitrate?

Iphutha 192 kbps ku MP3 olahlekelwayo; dlula-nge- MP3 ongalahlekelwayo. Nciphisa ku 320 kbps uma ufuna ubukhulu obuphezulu bokungathembeki okulahlekile, 128 kbps ku-podcast yokusabalalisa obukhulu-bulinganiselwe, noma 96 kbps ku-voice-only sources lapho ifayela elincane libalulekile kunemininingwane yestudio.

Ingabe ukusuka ku AC3 kuya ku MP3 kuzonciphisa kakhulu izinga lami lomsindo?

Uma AC3 ilahlekelwa (MP3, AAC) futhi MP3 ayilahlekelwanga (WAV, FLAC), MP3 ayingcono kuna AC3 — awukwazi ukubuyisela imininingwane elahlekile yi-AC3 codec elahlekile. Uma AC3 ayilahlekelwanga futhi MP3 ilahlekelwa, cabanga ukuthi i-MP3 encoder izocindezela futhi; ku-192 kbps ilahlekelwa ayikwazi ukubonwa yimilomo eminingi.

Ingabe i-AC3 kuya ku-MP3 igcina amathegi we-ID3 / metadata?

Yebo — isihloko, umculi, i-album, unyaka, inani le-track, i-album art, BPM, ukuphindeka-kwe-gain kufundeka kusuka ku AC3 ibhokisi futhi kubhalwe kuma-fields alinganayo ku MP3 ibhokisi. ID3v2 (MP3), amazwana we-Vorbis (OGG, FLAC), ama-MP4 atoms (AAC, M4A), RIFF INFO (WAV), ama-iXML chunks wonke ama-maps ngokuhlanzekile. MP3 yi MPEG-1 Audio Layer III, eqediwe ngo-1993, futhi ikhona ifomethi yomsindo ekwazi ukuconywa ngokugcwele.

Ingabe ngingenza ukuguqulwa kwekhulu le AC3 amafayela abe MP3?

Yebo — susa isibaya se AC3 amafayela ngaphakathi futhi sizoziphatha ngokufanayo. I-Premium inemisebenzi eminingi efana ne-parallel futhi akukho lutho oluphezulu lwesayizi yefayela ngalinye, ngakho-ke i-500-file batch iphele ngemizuzu endaweni yamahora amahlanu. Ukwakhiwa kwefolda kugcinwa kwi-ZIP yesingeniso.

Ingabe i-MP3 izogcina isilinganiso esifanayo sesampula njenge-AC3?

Ngokungagqibekanga yebo (a 48 kHz AC3 ikhiqiza 48 kHz MP3, a 44.1 kHz AC3 ikhiqiza 44.1 kHz MP3). Ukusebenza kahle okuthile — isibonelo, ukusatshalaliswa kwe-96 kHz studio masters kuya ku-44.1 kHz MP3 ukushaya i-CD, noma ukusatshalaliswa kwe-22 kHz voicemail kuya ku-44.1 kHz MP3 — isilinganiso sesampula esiphansi sifaka ukusatshalaliswa kabusha kwekhwalithi ephezulu ye-SOX-style.

Ingabe ngizolungisa umsindo ku-AC3 kuya ku-MP3?

Yebo — ukhetho lokujwayelekile-lokujwayelekile lufaka ITU-R BS.1770 / EBU R128 ukujwayelekile ku MP3 kuphuma, libhekisa ku -14 LUFS (isizinda sokushayela) noma -16 LUFS (isizinda sepodcast) noma inani elijwayelekile. Lisetshenziswa uma liguqula amabhayisikobho ngezinga lokuphatha elihlukile ku MP3 dlala.

Ingabe i-MP3 izodlala ku-stereo yemoto yami / iPod / Sonos / isikhulumi se-Bluetooth?

I-MP3 idlala ngokugcwele kuwo wonke amadivayisi ayenziwe eminyakeni edlule engu-20. I-AAC idlala ku-Apple, ku-Android, ku-Sonos, nama-stereo emoto yamanje. I-FLAC idlala ku-Sonos ne-Android edlule, ingcono kakhulu kuma-iPods adala. I-WAV idlala kuwo wonke amadivayisi kodwa ifayela likhulu. I-idivayisi-yesihluthulelo sokukhuphuka ikhetha i-MP3 codec ephephile ye-platform oyicacisile.

Ingabe ihele lami AC3 liyimfihlo ngesikhathi sokuguqulwa?

Yebo — amafayela alayishwe phezulu AC3 aphathwa ngabasebenzi abahlukanisiwe futhi asuswa emizuzwini. Asikwazi ukudlala, ukugcina, noma ukuhlanganisa okuqukethwe kwesandi. Ipayipi lisebenza ngehardware esilawula ngayo kusukela ekuqaleni kuya kukuphela; akukho inkonzo yeqembu lesithathu ethola ifayela lakho.

AC3

I-AC3 (I-Audio Codec 3) ifomethi yokucindezela komsindo evame ukusetshenziswa kumathrekhi omsindo we-DVD ne-Blu-ray disc.

MP3

Amafayela e-MP3 asebenzisa ukucindezela okulahlekile ukunciphisa usayizi wefayela ngenkathi kugcinwa ikhwalithi yomsindo eyamukelekayo kubalaleli abaningi.