M4A → Opus

Guqula Eyakho M4A ukuba Opus iifayile ngokulula

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Inkqubo ekhululekileyo: 1 IiNguqulelo/iyure · Yiya ngaphandle komda →

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Iyalayisha

Indlela yokuguqula M4A ukuba Opus

Inyathelo 1: Layisha eyakho M4A iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

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

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

M4A ukuba Opus Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyiguqula njani i-M4A yesandi kwi-Opus ngaphandle kokulahlekelwa umgangatho?

Layisha phezulu ifayile M4A kwaye umguquli ukhetha i Opus codec ne-bitrate ukuhambelana nomcebo. Ukungabikho kolahleko Opus (WAV / FLAC / ALAC) ugcina yonke isampuli ye-bit- identical; ukungabikho kolahleko Opus (MP3 / AAC / OGG / Opus) okumiselweyo ku 192 kbps ebonisa ngaphaya kweendlebe ezininzi.

I-bitrate yefayili ephumayo Opus iza kusetyenziswa ntoni?

Okungagqibekanga ku 192 kbps kulahleko Opus; dlula- kwi-lossless Opus. Nciphisa ku 320 kbps ku audiophile okanye 96 kbps kulizwi / ipodcast. Ukhetho lurhweba ubungakanani befayile ngokuchasene nobuxoki obuvakalayo; ngaphantsi kwe 96 kbps ulahleko lwee-artefacts zibonakala kwingoma.

Ingaba ukudlula kwi M4A ukuya kwi Opus kuya kunyusa ubunjani besandi sam?

Ukuba M4A ilahlekile kwaye Opus ayilahleki (umzekelo MP3 → WAV), i Opus ayingcono kune M4A — awunakubuyisela ulwazi olusele lulahlekile. Ukuba M4A ayilahleki kwaye Opus ayilahleki, i Opus codec iphinda icinezele; kwi-192 kbps isiphumo sicacile kuninzi lwezinto eziquletheyo.

Ingaba umguquli M4A ukuya ku Opus ugcina i-ID3 / i-metadata tags?

Ewe - isihloko, umculi, i-albham, unyaka, inani lengoma, kunye nemifanekiso ye-albham ifundwa kwi M4A isiqulathi seefayili kwaye ibhalwe kwi Opus isiqulathi seefayili apho ifomati ixhasa amaphetshana. Zonke izicelo eziqhelekileyo (MP3, AAC, FLAC, OGG) ziphatha amaphetshana kakuhle; i-raw WAV ayisebenzi.

Ndingaguqula izigidi zeefayili M4A zibe Opus?

Ewe - shiya isiqulathi seefayili se M4A iifayile ngaphakathi kwaye siza kuziqhubekekisa ngokuthe tye. I-Premium inemisebenzi emininzi ethe tye kwaye akukho mda wobungakanani befayili nganye, ngoko ke i-500-file batch igqiba kwimizuzu kunokuba i-10 yemizuzu.

Ingaba i Opus iyagcina ixabiso lesampuli elifanayo njenge M4A?

Ngokungagqibekanga ewe — 48 kHz M4A ihlala 48 kHz kwi Opus. Ukuba ufuna ukunyusa uvavanyo ukuze ulungelelanise (96 kHz → 44.1 kHz ukukhuphela iCD), ukhetho lwesampulu-yesantya lusebenzisa uvavanyo oluphezulu lomgangatho kwindlela efanayo yokugqitha kokukhowuda.

Ndingazilungisa njani i-loudness xa ndiguqula M4A ukuya ku Opus?

Ewe - ukhetho lokwenza isantya sisebenze ngokuqhelekileyo lusebenzisa ITU-R BS.1770 / EBU R128 ukwenziwa sebenze ngokuqhelekileyo kwi Opus, lujolise kwi -14 LUFS (umgangatho wokudlulisa) okanye -16 LUFS (umgangatho wepodcast). Isetyenziswa xa kuqhutywa iingoma ezimasterwe kumanqanaba ahlukeneyo.

Ingaba i Opus yam iya kudlala kwi-car stereo, i-iPod, ne-Sonos?

I-MP3 idlala naphi na. I-AAC idlala kwi-Apple, i-Android, ne-Sonos. I-FLAC idlala kwi-Sonos ne-Android kodwa ayisebenzi kwi-iPods edala. I-WAV idlala naphi na kodwa ikhulu. Isixhobo esiphambili esimiselweyo esikhupha i-codec Opus esilungele i-hardware yakho emiselweyo.

Ingaba i-M4A yam ifayile ifihlakeleyo ngexesha liguqulwa kwi-Opus?

Ewe — iifayili ezilayishwe phezulu M4A ziqhubekeka kubasebenzi abamiselweyo kwaye zicinywe ngaphakathi kwemizuzu. Asiyi kudlala kwakhona, sigcine ixesha elide, okanye sinikezele kwizinto eziqulethe isandi. Ifestile yokugcina epheleleyo ikwi /privacy/.

Ithatha ixesha elingakanani ukutshintsha i-1-iyure M4A ukuya kwi-Opus?

I-codec efanayo ye-re-mux: 10 ukuya kwimizuzu engama-30. Yenza kwakhona ikhowudi kwi-codec eyahlukileyo: iqhelekileyo 10 ukuya kwimizuzu engama-20% yobude bomthombo, ngoko ke i 1-yure M4A → Opus igqiba kwimizuzu engama-6 ukuya kwezingama-12. Imisebenzi yeqela ihamba ngokufanayo phakathi kwabasebenzisi ukuze ikhawuleze ngakumbi.

Kutheni le nto i Opus inamandla okanye ipholile kunesiqhagamsheli se M4A?

Akukho tshintsho lokufumana oluzenzekelayo luza kwenzeka ngaphandle kokuba usebenze ukhetho lokugqiba. Ukuba ubona utshintsho lomphakamo, umdlali wakho wesandi okanye ithala leencwadi lemithombo yeendaba linokuthi lisebenzise iReplayGain okanye ukulungelelanisa umkhondo ngamnye kumdlalo — hayi kuthi. Sukwenza oku ukuze uzive i Opus amanqanaba asemthethweni.

Ndingaguqula M4A ukukhuphela ukusuka kwiinkonzo zokudlulisa ukuya kwi Opus?

Ukuba i-M4A ilayishwe ezantsi ikhuselekile (akukho DRM), ewe. Ii-DRM-encrypted streams (i-Spotify, i-Apple Music tracks) zifihliweyo kwinqanaba le-bit kwaye asikwazi ukuziqhubekekisa. I-Bandcamp, i-SoundCloud downloads, iziqulathi zeefayili zobuqu, kunye ne-podcast ziguqulwa ngokucocekileyo.

M4A

I-M4A yifomati yefayile yomsindo esondeleleneyo neMP4. Ibonelela ngoxinzelelo oluphezulu lweaudio ngenkxaso yemetadata, iyenza ilungele usetyenziso olwahlukeneyo.

Opus

I-Opus yi-codec ye-audio evulekileyo, engahlawulelwayo ebonelela ngoxinzelelo olukumgangatho ophezulu kuzo zombini intetho kunye nesandi ngokubanzi. Ifanelekile kwizicelo ezahlukeneyo, kubandakanya ilizwi nge-IP (VoIP) kunye nokusasaza.