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| Imvugo | M4A (u ibi) | Opus (ibisobanuro) |
|---|---|---|
| Igikoresho | MPEG-4 Part 14 | Ogg |
| Yatekelezaga | Apple / MPEG | Xiph.Org / IETF |
| Yatangiraga | 2003 | 2012 |
| Izina ry'inzira n'izina | AAC-LC, HE-AAC, ALAC | Opus |
| Kubinyuranye | Ituma ku codec | Itekereza ku bivuze |
| Igipimo cyamashanyalaze atarikose | 96–256 kbps | 64–256 kbps |
| Igipimo cy'uruhunika rwagaciro rutuzuza | 96 kHz | 48 kHz |
| Channels nzira | 8 | 255 |
| Impisa itacyirira icy'inzira | Yego | Yego |
| Metadata / ikintu cyambukiranya | MPEG-4 iTunes-style atoms | Vorbis comments |
| Ingano y'dosiye itarihindutse | 0.72–1.92 MB mu minuta | 0.48–1.44 MB mu minuta |
| Ubwiyunge | Licence patent | Itarushaho ku royalite |
| Impisa nk'iyinshi mu | Nk'iyinshi: Web ntambuki, Windows, macOS, iOS, Android, Smart TV | Nk'iyinshi: Web ntambuki, Android · Ibisabwa impisa: Windows, macOS, iOS |
| Birarushaho | sisitemu ya Apple, inyigishe y'inzira n'izina, igitabo c'inzira n'izina | inzira n'izina n'ibitangazo, podcast, iyo web ikazana |
Menya ko MPEG-4 Part 14 ntaco codec yumwe. Ushobora gucubanura AAC-LC, HE-AAC, ALAC, noneho ubwiyunge bw'ibisobanuro ituma ku codec yashyizweho, ntaco iteranzi.
Uyu mutego ugabanye ubwiyunge m'ahandi ugakoreshaho, hamwe 4 amatangazo kurura impisa nk'iyinshi. Ni ihitamo ry'inzira nziza, ntacyo gutaguta mu nyungu.
M4A ishobora kugira iteranzi kugeza 96 kHz, ariko Opus ihita 48 kHz. Inyandiko y'ubwigishe nziza zazenezwa nk'inyoni.
Iriya hinduruka ikwija dosiye ku nzira nziza: M4A ihatura sisitemu ya Apple, inyigishe y'inzira n'izina, igitabo c'inzira n'izina, ariko Opus yonahitiwe inzira n'izina n'ibitangazo, podcast, iyo web ikazana.
Tags ntibagenda hejuru. M4A ibigira nka MPEG-4 iTunes-style atoms mugihe Opus ikoresha Vorbis comments, ubwonko amazina n' amadini agusumirizwa kandi amatag y' ibihe bitarimo ubwiyunge.
Kuruta M4A kugera Opus bivuze guhuza inzira n'izina gutaririra MPEG-4 Part 14, cyatangiriye 2003, kandi Ogg, yaje 2012. Bometse bitegezwe n'intendeke nziza, kandi ucu ni icyo kigasha iyo kuruta kibakira ubwiyunge, ubwigishe, cyangwa ubwiyunge.
Yatejutse na Apple / MPEG 2003, M4A ibika ijwi ikoresha AAC-LC, HE-AAC, ALAC. Iyo codec hitamo iryakira icya iyambure cy' ibyo kubihindura irashobora kubika.
Opus, gutaririra Xiph.Org / IETF kandi 2012, koresha Opus kandi impisa 2 mu matangazo atandatu yavuguye. Uriya icyiciro ni icyo gituma abantu kuruta.
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