WMA → M4A

Sinthani Yanu WMA ku M4A mafayilo mosavuta

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Kukweza

Momwe mungasinthire WMA ku M4A

Gawo 1: Kwezani yanu WMA mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa M4A mafayilo

WMA ku M4A Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi fayilo yochokera ku M4A idzagwiritsa ntchito bitrate iti?

A lossy M4A ndi encoded pa 192 kbps mwamsanga. The Audio Quality kukhazikitsanso amapereka 320 kbps kwa zabwino kwambiri ndi 128 kbps kwa wapamwamba wamkulu. A lossless M4A (WAV, FLAC) amasiya kuganizira bitrate ndi kusamalira zonse samples.

Kodi kusinthira WMA ku M4A ndi gawo lachiwiri la kutsitsa kwa lossy?

Ndikukhulupirira kuti ndinu oyenera, ndipo ndibwino kuti mupange. Mafomu awiriwa ndi owonongeka, choncho M4A encoder akuchita ntchito kuchokera ku audio yomwe yakhala ikuyenda mwa psychoacoustic pass, ndipo masankho ake oyamba amapanga gawo loyamba. Pa 192 kbps kapena pamwambapa, zotsatirazi ndizosawoneka bwino kwa ambiri owerenga. Ngati muli ndi master yopanda kuwonongeka, kulemba koyamba kwa M4A kuchokera ku yomwe imalepheretsa kupitanso koyamba. WMA ndi lossy mwa default, mu ASF chidebe, ndi lossless ndi mawu-optimised mitundu yomwe ndi yosadziwika anakumana. M4A ali AAC m'malamulo ambiri, kapena Apple Lossless (ALAC) pamene anachokera ku lossless rip.

Nchifukwa chiyani ena a WMA anga a WMA sasintha?

DRM. Mtundu wa WMA mafayilo amasinthidwa ndi sitolo kapena pulogalamu yomwe idatulutsa, ndipo mawu osakira satha kusinthidwa ndi aliyense wosintha. Chomwecho chomwe mwachotsa, cholemba kapena chogula popanda kuteteza chimasinthidwa moyenera; kugula kwa licensed sichidzachitika. WMA ndi unsupported pafupifupi kulikonse kunja kwa Windows, ndi zaka WMA owona angagwiritsidwe ntchito DRM kuti amaletsa kusintha kwathunthu.

Kodi kuchoka ku WMA kupita ku M4A kumachepetsa mtundu wanga wa audio?

Ngati WMA ndi lossy ndipo M4A ndi lossless (mwachitsanzo MP3 → WAV), M4A si yabwino kuposa WMA — simungathe kubwezeretsa zambiri zomwe zatulutsidwa. Ngati WMA ndi lossless ndipo M4A ndi lossy, M4A codec imabwezeretsa; pa 192 kbps zotsatira zake ndi zosawoneka bwino kwa zinthu zambiri.

Kodi ndingasinthire mamiliyoni a WMA mafayilo ku M4A?

Mavidiyo ambiri m'modzi ntchito ayenera kulipira ndondomeko. Free kugwiritsa ntchito ndi imodzi wapamwamba pa kusintha, imodzi kusintha pa ola. Pa ndondomeko yolipira mukhoza kuwonjezera angapo owona kuti ntchito imodzi, ndiye download zotsatira zonse pamodzi kapena onse awo mu ZIP imodzi.

Kodi M4A idzakhala ndi kuchuluka kwa sampling yomweyo ngati WMA?

Mwa default yes — 48 kHz WMA imakhala 48 kHz mu M4A. Ngati mukufuna kuchepetsa kusamvana kwa ma CD (96 kHz → 44.1 kHz kwa kulemba CD), kusankha kwa kusamvana kwa ma CD kumagwiritsa ntchito kusamvana kwabwino kwambiri panthawi yolemba ma CD.

Kodi ndingasinthire kuwala kwamphamvu pamene ndikusintha WMA kupita ku M4A?

Sichingakhale m'njira imeneyi. Wosintha alibe kukhazikitsa loudness ndi kuchoka pa gawo monga momwe zilili. Kuti atenge mbali ya volume, kuyendetsa M4A kumaliza mwa njira Normalize chida pa webusaitiyi.

Kodi M4A yanga idzasewera pa stereo yagalimoto, iPod, ndi Sonos?

MP3 amasewera pafupifupi kulikonse. AAC amasewera pa Apple zipangizo, ambiri Android foni ndi Sonos. FLAC amasewera pa Sonos ndi Android koma si pa zaka za m'ma iPods, ndi WAV amasewera pa pafupifupi chilichonse koma amachititsa mavidiyo akulu. Palibe chipangizo presets pa nkhaniyi, choncho kusankha chitukuko format wanu wosewera mpira amathandiza. M4A amasunga rich iTunes-style metadata, zigawo ndi ntchito zojambulajambula osatha, ndi ndi native audio mtundu pa onse Apple chipangizo. M4A amachititsa zinthu ziwiri kwambiri zosiyana m'mbuyo kwa m'modzi kuwonjezeka - lossy AAC ndi lossless ALAC - ndi non-Apple hardware thandizo ndi zosagwirizana.

Kodi fayilo yanga WMA ndi yapadera pamene ikusintha kukhala M4A?

Yes. Uploaded WMA owona amachitidwa pa zipangizo zathu zosiyanasiyana, palibe munthu kuganizira iwo, ndipo iwo si nthawi zonse anagawana. Upload ndi zosinthidwa M4A onse anataya mwamsanga za 24 maola pambuyo kusintha, zomwe zimasiya nthawi kuti download zotsatira.

Kodi ndi nthawi yayitali bwanji kuti musinthe nthawi ya 1-hour WMA kuti M4A?

Kukula kwa kanema ndi nthawi yobwezeretsa kumadalira kukula kwa fayiloyo, ndipo nthawi zambiri imatenga masiku 10 mpaka 15. Mavidiyo ochepa ndi zithunzi zimatha kubwezeretsedwanso m'maola ochepa.

WMA

WMA (Mawindo Media Audio) ndi zomvetsera psinjika mtundu kukula Microsoft. Amagwiritsidwa ntchito kwambiri kusonkhana ndi nyimbo pa intaneti.

M4A

M4A ndi mtundu wamafayilo omvera womwe umagwirizana kwambiri ndi MP4. Imapereka kupsinjika kwapamwamba kwamawu ndi chithandizo cha metadata, ndikupangitsa kuti ikhale yoyenera kugwiritsa ntchito zosiyanasiyana.