M4A → FLAC

Yipada Tirẹ M4A si FLAC awọn faili laiparuwo

Yan awọn faili rẹ

tabi gbé àwọn fáìlì rẹ̀ lọ́wọ́lọ́wọ́ níbẹ̀

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Gbigbe soke

Báwo ni a ṣe lè yípadà M4A si FLAC

Igbesẹ 1: Gbe soke rẹ M4A nípa lílo bọ́tìnì tó wà lókè tàbí nípa fífà àti ju sílẹ̀.

Igbese 2: Tẹ bọtini 'Iyipada' lati bẹrẹ iyipada naa.

Igbesẹ 3: Ṣe igbasilẹ faili iyipada rẹ FLAC awọn faili

M4A si FLAC Awọn Ibeere Ibeere Lori Iyipada

Bawo ni mo ṣe lè yipada àwòrán M4A sí FLAC látí fi àwọn ìṣàmúlò-ètò pamọ́?

Fi fáìlì M4A pamọ́, àti àgbèkalẹ̀ náà ń yan codec FLAC àti bitrate láti dá àwọn ìṣàmúlò-ètò. Kò ní ìdáràyè FLAC (WAV / FLAC / ALAC) ń dá àwọn ààyè fún gbogbo àwọn ààyè ní àwọn ààyè bítì-ìdáràyè; kò ní ìdáràyè FLAC (MP3 / AAC / OGG / Opus) láti 192 kbps tí a bá fi gbọ́. A M4A ni AAC ni ọpọlọpọ awọn ọran, tabi Apple Lossless (ALAC) nigbati o ba wa lati a lossless rip. FLAC lo linear prediction plus Rice coding lati de 50-60% ti iwọn oriṣii ni akoko ti o ba decode pada si PCM bit-identical.

Kini idi ti àwọn fáìlì M4A mìíràn kò bá yipada?

DRM. Àwọn fáìlì M4A tí a tí kọ́dà láti inú ile-ìṣàmúlò-ètò tàbí ìṣàfarawé sọ́fitiwia tí a tì fi hàn wọn, àwọn àwòrán tí a tí kọ́dà láti inú rẹ̀ kò lè gba àwọn àkódì láti inú àwọn ìṣàfarawé. Gbogbo àwọn àwòrán tí o tí kọ́dà, tí o tí fi kọ́dà, tàbí tí o tí rárá, tí a ràrá láti inú àwọn àwọn ìdárànṣe nípa ìṣàfarawé nípa ìṣàfarawé nípa ìṣàfarawé nípa ìṣàfarawé nípa ìṣàfarawé nípa ìṣàfarawé. M4A fi awọn ohun meji ti o yatọ si ni ẹhin kan ìforúkọsílẹ - AAC lossy ati lossless ALAC - ati non-Apple hardware atilẹyin jẹ unconsistent.

Ńlà FLAC náà ló nínú ààyè mì àti nínú àwọn ìṣàmúlò-ètò tí a tí ìgbà lò?

Kò lè. M4A tí a kọ́dì láti àwọn ohun gbogbo, àti àwọn àwọn aṣọ́ ìsàlẹ̀-ilà àti àwọn alariwisí tí a tí ìgbà; FLAC ní àwọn ìṣàmúlò-ètò tí a mọ́ àwọn kódékì, tí àwọn ààtòjútó àwọn aṣọ́ra-ètò tí a fi pamọ́ kò ní. Tó bá jẹ́ pé àgbèwọlé ní àwọn aṣọ́ra-ètò àti àwọn aṣọ́ra-ètò tí a lè gbè, o ní àwọn àwọn àkọ́lé tí a fi pamọ́ fún tí a bá fi pamọ́ lórí M4A. FLAC ni tun diẹ igba tobi ju a dara lossy faili, ati Apple ti ecosystem nikan fi kun atilẹyin ni bayi ati ki o ni itara.

Ìgbà wo nínú àwọn fáìlì tí a ṣẹ́ṣẹ́ fún FLAC láti lò?

Default is 192 kbps for lossy FLAC; pass-through for lossless FLAC. Override to 320 kbps for audiophile or 96 kbps for voice / podcast. The choice trades file size against audible fidelity; below 96 kbps lossy artifacts become noticeable on music.

Ńlà tí a bá lọ láti inú M4A sí inú FLAC, àwọn ìṣàmúlò-ètò àìdájú ìṣàmúlò-ètò mìíràn náà á pọ̀jú?

Tó bá jẹ́ pé M4A jẹ́ ìkúndùǹ àti FLAC jẹ́ ìkúndùǹ (gẹ́gẹ́ bí MP3 → WAV), FLAC kò dara ju M4A lọ́wọ́lọ́wọ́ — o kò lè gba àwọn àkóónú àìfihàn tí a ti dẹ́kun. Tó bá jẹ́ pé M4A jẹ́ ìkúndùǹ àti FLAC jẹ́ ìkúndùǹ, àwọn àkóónú tí a ti dẹ́kun tí a ti dẹ́kun, àwọn àkóónú tí a ti dẹ́kun tí a ti dẹ́kun tí a ti dẹ́kun.

Àwọn àgbèwọlé M4A sí FLAC ń tọju àwọn àmì-ìwé ID3/ metadata?

Yà - àkọlé, àlàkọ́lé, àlàbùójútó, oṣù, àwọn àkọ́lé àti àwòrán àwọn náà tí a kọ̀ láti inú àwọn ààyè-iṣẹ́ M4A tí a si kọ̀ nínú àwọn ààyè-iṣẹ́ FLAC níbí tí ìṣàmúlò-ètò náà bá jẹ́ ìṣàmúlò-ètò. Àwọn ààyè-iṣẹ́ gbogbó (MP3, AAC, FLAC, OGG) ń ṣakoso àwọn ààyè-iṣẹ́ nípa ìrànwọ́; WAV àìdárà kò lè. FLAC ni Free Lossless Audio Codec, àwọn ìṣàmúlò-ètò tí a ṣì ní ọdun 2001 tí a fi pamọ́ láti kó fi àwọn ààyè kaǹ lọ́wọ́lọ́wọ́.

Ń lè yipada àwọn fáìlì ọ̀pọ̀lọpọ̀ tí a tí kọ́ nípa M4A sí FLAC?

Yes — drop a folder of M4A files in and we process them in parallel. Premium has more parallel workers and no per-file size cap, so a 500-file batch finishes in minutes rather than tens of minutes.

Ńtí a fẹ́ ki FLAC tọju àwọn ìṣàmúlò-ètò tí a fẹ́ bí M4A?

Àwọn ìpéwọ̀n jẹ́ - 48 kHz M4A tí wọ́n tí 48 kHz nínú FLAC. Tó bá fẹ́ lágbára àwọn ààyè ìsàmúlò-ètò láti sàlú (96 kHz → 44.1 kHz fún àkọ́lé CD), àwọn ìkúndùǹ àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè àwọn ààyè

Ń lè fi àwọn ìṣàmúlò-ètò ìṣàmúlò-ètò pamọ́ láti fi M4A pamọ́ sí FLAC?

Yà - àwọn ìṣàmúlò-ètò ìṣàmúlò-ètò ìṣàmúlò-ètò ìṣàmúlò-ètò ìṣàmúlò-ètò ìṣàmúlò-ètò ITU-R BS.1770 / EBU R128 sí FLAC, àwọn ààtò -14 LUFS (ìpínrádé ìṣàmúlò-ètò ìṣàmúlò-ètò) tàbí -16 LUFS (ìpínrádé ìṣàmúlò-ètò podcast). Lòòmù láti fi àwọn àkọ́lé àwọn ìpele àwọn ìpele yatọ̀ pamọ́.

Ńwò FLAC mì lò ní àwọn àkọsílẹ̀ àkọsílẹ̀, iPod, àti Sonos?

MP3 plays everywhere. AAC plays on Apple, most Android, and Sonos. FLAC plays on Sonos and Android but not on older iPods. WAV plays on everything but is huge. The advanced device-preset dropdown picks a FLAC codec optimized for your target hardware. FLAC nfun ọ ní ìdáràn WAV nínú àwọn ìwọ̀n àwọn àwọn àmì-ìwé metadata tí a fẹ́ nínú àwọn àmì-ìwé àwọn à

Àwọn fáìlì M4A mìíràn nígbà ìyipada sí FLAC?

Yà - àwọn fáìlì M4A tí a fi pàtó nínú àwọn iṣẹ́ àìdárà nínú àwọn ààyè àìpàlẹ̀ náà tí a pàṣẹ́ nínú àwọn ààyè àìpàlẹ̀. A kò bá kọ́lù, àwọn àwọn ààyè ìpamọ́ nínú àwọn ààyè àìpàlẹ̀, àti àwọn àwọn ààyè àìpàlẹ̀. Fèrèsé ìṣàfarawé kọ̀ǹpútà nínú /privacy/.

Ìgbà wò nínú ìyipadá ààtò 1-àgójútó M4A sí FLAC gbá?

Same-codec re-mux: 10 to 30 seconds. Re-encode to a different codec: typically 10 to 20% of source duration, so a 1-hour M4A → FLAC finishes in 6 to 12 minutes. Batch jobs parallelize across workers for further speedups.