M4R ndi wapamwamba mtundu ntchito iPhone Nyimbo Zamafoni. Ndi fayilo yomvera ya AAC yokhala ndi chowonjezera china.
Ntchito Zofala
iPhone ringtones
Custom alerts
Notification sounds
M4R Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndi M4R audio wapamwamba?
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M4R ndi lossy audio mtundu. The encoder amachotsa inaudible mafrequencies ndi masked maganizo kuti afike wapamwamba kukula pafupifupi theka la uncompressed equivalent. Re-encoding M4R kuti wina lossy mtundu amachititsa kuwonongeka kwa kapangidwe generational; kusintha kuchokera lossless mkulu pamene ndi kotheka. M4R ndi oyamba-mtundu Apple audio mtundu ndi ndi default kwa ambiri iOS mapulogalamu kuphatikizapo Voice Memos ndi Music app.
Ndi M4R lossy kapena lossless?
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M4R ndi lossy - encoder amachotsa deta encoder akatswiri kuti akhale inaudible kuti afike kukula kwa fayilo yaing'ono.
Palibe nthawi yokwanira - chingwe ndi pa kukula kwa fayilo. Ogwiritsa ntchito aulere alandira 100 MB pa kutsitsa (nthawi zambiri nthawi imodzi kapena zambiri za M4R audio pa ma bitrate otchuka).
Kodi MOV.to amasunga metadata (ma tag, zithunzi za album) kuchokera ku M4R?
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Ndiyo - ID3 Tags, woimba / album / mutu, ndi embedded ntchito zaluso mu M4R wapamwamba anapulumutsidwa mu zotulutsa pamene chiwonetsero chazithunzi chikugwirizana nawo. WAV zovala ambiri metadata ndi kapangidwe, kotero kusintha kwa WAV adzawononga Tags.
Kodi ndingagwiritse ntchito audio kuchokera video monga M4R?
Ndikofunika. M4R wanu kutsitsa ndi kusinthidwa output ndi kuchotsa mwamsanga pambuyo m'mphepete mwa m'mphepete. Tisatenga, kumvetsera, kapena kugawana audio yanu.
Kodi bitrate ayenera ine kusankha pamene kutembenuza kuchokera M4R?
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Kwa nyimbo, 256-320 kbps ndi sweet spot - woyera kwa ambiri owerenga. Kwa mawu ndi podcasts, 96-128 kbps ndi zambiri. Kupita pamwamba kuposa bitrate chiyambi sangakhale kuchira mtundu chiyambi kale anataya.