WAV → M4A

Free accounts cap at 100 MB per file, and WAV runs to roughly 10 MB per minute in stereo because nothing about it is compressed - every sample is stored at full width. Ten minutes is already at the limit. Premium raises the cap considerably, and the format has its own 4 GB ceiling above that, which is why long sessions come split into numbered parts; upload them together and they are treated as one job. WAV yana da girma - kusan 10 MB a kowace minti na stereo a matsayin CD - kuma sifar classic tana da 4 GB na tsayi kuma babu wuri ga alamun shafi na daidai.

Dimba 192 kbps ga M4A mai rasa; wucewa ga M4A mara rasa. Ka sake zuwa 320 kbps idan kana so ka sami mafi girman gaskiyar da aka rasa, 128 kbps ga rabawa da aka hana girman podcast, ko 96 kbps ga ma'ana-da-ji kawai inda fayil ɗin da ke da ƙarancin girman yana da muhimmanci fiye da bayani na studio.

Idan WAV yana da asara (MP3, AAC) kuma M4A yana da rashin asara (WAV, FLAC), M4A bai fi kyau ba fiye da WAV — ba za ka iya dawo da bayanai da aka manta da su ba daga codec ɗin da ke da asara WAV. Idan WAV yana da rashin asara kuma M4A yana da rashin asara, ka yi tsammanin mai encoder M4A zai sake ƙunsar; a 192 kbps asarar ba za a iya gane ta ba ga mafi yawan kunnuwa.

Na'am — suna, mai waƙa, alƙawari, shekara, lambar waƙa, zane na alƙawari, BPM, sake kunnawa-gaino an karanta su daga cikin ƙofar WAV kuma an rubuta su cikin filayen da suka dace a cikin ƙofar M4A. ID3v2 (MP3), Vorbis comments (OGG, FLAC), MP4 atoms (AAC, M4A), RIFF INFO (WAV), iXML chunks duk suna da kyau. M4A ne a MP4 jakar da audio kawai, kuma shi ne abin da iTunes, Apple Music da iPhone Voice Memos app samar.

Na'am — ka saka wata ƙuƙwalwar fayiloli WAV cikin kuma mu yi aiki da su a cikin daidaito. Premium na da ma'aikata masu yawa a cikin daidaito kuma babu iyaka ga girman fayil, don haka ƙungiya mai fayiloli 500 na iya kammalawa cikin minti ba tare da minti goma ba. An kiyaye tsari na ƙuƙwalwar fayil a cikin fitarwa ZIP.

Da ƙayyadadden, na'am (48 kHz WAV na samar da 48 kHz M4A, 44.1 kHz WAV na samar da 44.1 kHz M4A). Domin daidaituwa mai dacewa — misali, rage nauyin nauyin 96 kHz na masu shirya studio zuwa 44.1 kHz M4A don ƙona CD, ko kuma rage nauyin nauyin 22 kHz na sakonnin murya zuwa 44.1 kHz M4A — sashin saukar da nauyin nauyin na'ura na amfani da nauyin sake sake nauyin nauyin SOX mai inganci.

Yes — the loudness-normalize option applies ITU-R BS.1770 / EBU R128 normalization to the M4A output, targeting -14 LUFS (streaming standard) or -16 LUFS (podcast standard) or a custom value. Useful when batch-converting tracks with varying mastering levels into a single M4A playlist.

MP3 na wasa a duk wani na'ura da aka yi a cikin shekaru 20 da suka gabata. AAC na wasa a kan Apple, mafi yawan Android, Sonos, da na'urorin stereo na mota na yau da kullum. FLAC na wasa a kan Sonos da na'urorin Android na yanzu, amma ba da kyau a kan iPods na daɗaɗɗa. WAV na wasa a kan duk wani abu amma fayil ɗin yana da girma. Maɓallin rufe na'urar-ciki na zaɓa wani M4A codec mai aminci ga dandamalin da ka ƙayyade. M4A riƙe arziki iTunes-sha'ani metadata, sashe da kuma zane intact, kuma shi ne na asali audio format a kan dukan Apple na'ura. M4A ɓoye biyu abubuwa daban-daban a bayan daya zurfi - lossy AAC da lossless ALAC - da non-Apple kayan aiki goyon baya ne ba daidai ba.

Na'am — an yi aiki da fayilolin WAV da aka tura a cikin masu aiki daban-daban kuma an share su cikin minti. Ba za mu taba wasa, adana, ko raba abun cikin sauti ba. Wurin da ake kaiwa yana tafiya akan kayan aiki da muke kula da su daga ƙarshe zuwa ƙarshe; babu wata sabis na ɓangare na uku da ke karɓar fayil ɗinka.

Re-mux na codec-daidai (misal. AAC cikin M4A -> AAC cikin MP4): sakan 10-30. Canja codec (misal. FLAC -> MP3 ko WAV -> AAC): a kan 10-20% na lokacin da ake da shi, don haka wata sa'a WAV -> M4A ta ƙare cikin minti 6-12 a kan hanyar ruwa ta ƙa'ida.

Ba'a samu canji na samun na'ura ba sai an kunna zaɓin daidaita. Idan ka ji canjin mataki, mai kunna sauti ko ɗakin ajiyar kafofin watsa labarai na iya amfani da ReplayGain ko daidaita-da-waƙa a kan wasa - ka bici wannan kuma M4A zai ji sauti na bit-ma'ana da WAV (ga ba-da-laifi) ko kuma na fahimta (ga mai-laifi mai haske).