FLAC → Opus

Guqula Eyakho FLAC kuya Opus amafayela kalula

Khetha amafayela akho

noma cindezela bese ususa amafayela akho lapha

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Guqula amafayela afinyelela ku-1 GB mahhala, abasebenzisi be-Pro bangaguqula amafayela afinyelela ku-100 GB; Bhalisa manje

Ukulayisha

Indlela yokuguqula FLAC kuya Opus

Isinyathelo 1: Layisha eyakho FLAC amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho Opus amafayela

FLAC kuya Opus Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani umsindo FLAC ube Opus ngaphandle kokulahlekelwa ukhwalithi?

Layisha phezulu ihele FLAC futhi umguquli ukhetha Opus i-codec / i-bitrate ehambisana neprofayili yomsuka. I-lossless Opus (WAV / FLAC / ALAC) igcina yonke isampula ngokugcwele; i-lossy Opus (MP3 / AAC / OGG / Opus) iphutha liyi-192 kbps ecacile kakhulu kunoma iyiphi ingxenye yomculo. I-FLAC isebenzisa ukubikezela okuqondile kanye nokuhlelwa kwe-Rice ukufinyelela cishe ku-50-60% wesayizi yangempela ngesikhathi sokuhlelwa emuva kwe-PCM efana ne-bit. I-Opus iqala ngokukhuluma kusuka ku-6 kbps mono speech kuya ku-510 kbps stereo music ku-bitstream efanayo futhi ishintsha indlela ngokuzenzakalela.

Ingabe ngilahlekelwa yikhwalithi eningi uma ngiguqula FLAC kuya ku Opus?

Ezinye, futhi zihlala - lokhu kuyindlela eyodwa lapho ulwazi luthunyelwe khona. FLAC ligcina yonke imibiko ngokugcwele; Opus lisusa lokho imodeli ye-psychoacoustic icabanga ukuthi awukwazi ukulalela. Ku-192 kbps futhi ngaphezu kwalokho, i-prediction iyilungile ngokwanele ukubukeka kahle kuningi kwamathuluzi nangaphezulu kwamathuluzi. Gcina i-FLAC njenge-master yakho, ngoba awukwazi ukubuyela kuyo kusuka ku-Opus.

Ihele Opus liphele nini nge-bitrate?

Iphutha 192 kbps ku Opus olahlekelwayo; dlula-nge- Opus ongalahlekelwayo. Nciphisa ku 320 kbps uma ufuna ubukhulu obuphezulu bokungathembeki okulahlekile, 128 kbps ku-podcast yokusabalalisa obukhulu-bulinganiselwe, noma 96 kbps ku-voice-only sources lapho ifayela elincane libalulekile kunemininingwane yestudio.

Ingabe ukusuka ku FLAC kuya ku Opus kuzonciphisa kakhulu izinga lami lomsindo?

Uma FLAC ilahlekelwa (MP3, AAC) futhi Opus ayilahlekelwanga (WAV, FLAC), Opus ayingcono kuna FLAC — awukwazi ukubuyisela imininingwane elahlekile yi-FLAC codec elahlekile. Uma FLAC ayilahlekelwanga futhi Opus ilahlekelwa, cabanga ukuthi i-Opus encoder izocindezela futhi; ku-192 kbps ilahlekelwa ayikwazi ukubonwa yimilomo eminingi.

Ingabe i-FLAC kuya ku-Opus igcina amathegi we-ID3 / metadata?

Yebo — isihloko, umculi, i-album, unyaka, inani le-track, i-album art, BPM, ukuphindeka-kwe-gain kufundeka kusuka ku FLAC ibhokisi futhi kubhalwe kuma-fields alinganayo ku Opus ibhokisi. ID3v2 (MP3), amazwana we-Vorbis (OGG, FLAC), ama-MP4 atoms (AAC, M4A), RIFF INFO (WAV), ama-iXML chunks wonke ama-maps ngokuhlanzekile. Opus kuyinto IETF standard kusukela 2012 ukuthi wahlanganisa Skype SILK ulwimi codec ne Xiph CELT music codec eyenziwe eyodwa.

Ingabe ngingenza ukuguqulwa kwekhulu le FLAC amafayela abe Opus?

Yebo — susa isibaya se FLAC amafayela ngaphakathi futhi sizoziphatha ngokufanayo. I-Premium inemisebenzi eminingi efana ne-parallel futhi akukho lutho oluphezulu lwesayizi yefayela ngalinye, ngakho-ke i-500-file batch iphele ngemizuzu endaweni yamahora amahlanu. Ukwakhiwa kwefolda kugcinwa kwi-ZIP yesingeniso.

Ingabe i-Opus izogcina isilinganiso esifanayo sesampula njenge-FLAC?

Ngokungagqibekanga yebo (a 48 kHz FLAC ikhiqiza 48 kHz Opus, a 44.1 kHz FLAC ikhiqiza 44.1 kHz Opus). Ukusebenza kahle okuthile — isibonelo, ukusatshalaliswa kwe-96 kHz studio masters kuya ku-44.1 kHz Opus ukushaya i-CD, noma ukusatshalaliswa kwe-22 kHz voicemail kuya ku-44.1 kHz Opus — isilinganiso sesampula esiphansi sifaka ukusatshalaliswa kabusha kwekhwalithi ephezulu ye-SOX-style.

Ingabe ngizolungisa umsindo ku-FLAC kuya ku-Opus?

Yebo — ukhetho lokujwayelekile-lokujwayelekile lufaka ITU-R BS.1770 / EBU R128 ukujwayelekile ku Opus kuphuma, libhekisa ku -14 LUFS (isizinda sokushayela) noma -16 LUFS (isizinda sepodcast) noma inani elijwayelekile. Lisetshenziswa uma liguqula amabhayisikobho ngezinga lokuphatha elihlukile ku Opus dlala.

Ingabe i-Opus izodlala ku-stereo yemoto yami / iPod / Sonos / isikhulumi se-Bluetooth?

I-MP3 idlala ngokugcwele kuwo wonke amadivayisi ayenziwe eminyakeni edlule engu-20. I-AAC idlala ku-Apple, ku-Android, ku-Sonos, nama-stereo emoto yamanje. I-FLAC idlala ku-Sonos ne-Android edlule, ingcono kakhulu kuma-iPods adala. I-WAV idlala kuwo wonke amadivayisi kodwa ifayela likhulu. I-idivayisi-yesihluthulelo sokukhuphuka ikhetha i-Opus codec ephephile ye-platform oyicacisile. I-Opus iyi-codec engcono kakhulu ezwakalayo elahlekile ezincintisanani eziphansi nge-margin ecacile, futhi inamandla ama-WhatsApp voice notes, Discord ne-WebRTC. I-Opus ayixhaswa yi-hardware ehlukile - cabanga ukuthi isofthiwe idlala kuphela, futhi ulindele ukuthi i-stereo yemoto ingayihoyi.

Ingabe ihele lami FLAC liyimfihlo ngesikhathi sokuguqulwa?

Yebo — amafayela alayishwe phezulu FLAC aphathwa ngabasebenzi abahlukanisiwe futhi asuswa emizuzwini. Asikwazi ukudlala, ukugcina, noma ukuhlanganisa okuqukethwe kwesandi. Ipayipi lisebenza ngehardware esilawula ngayo kusukela ekuqaleni kuya kukuphela; akukho inkonzo yeqembu lesithathu ethola ifayela lakho.

Ingabe kuthatha isikhathi esingakanani ukushintsha ihora le-FLAC libe Opus?

I-codec efanayo iphinde i-mux (isibonelo AAC ngaphakathi M4A -> AAC ngaphakathi MP4): imizuzwana engu-10-30. Ushintsho lwe-codec (isibonelo FLAC -> MP3 noma WAV -> AAC): ngokuvamile 10-20% yomthombo wesikhathi, ngakho-ke ihora FLAC -> Opus liphele ngemizuzu engu-6-12 ku-pipeline ejwayelekile.

Kungani ihele Opus likhulu noma lihlanzekile kunalelo FLAC?

Akukho shintsho lokufinyelela oluzenzakalelayo kwenziwa ngaphandle kokuthi ukhetho lokujwayelekile luxhunywe. Uma ukhuluma ngezinga lokushintsha, umdlali wakho wesandi noma i-media library ingasebenzisa i-ReplayGain noma ukuguqulwa kwe-track-by-track ku-playback - vala lokho futhi i-Opus izwakala ifana ne-FLAC (nge-lossless) noma ifana ngokuzizwa (nge-translucent lossy).

FLAC

I-FLAC inikeza ukucindezelwa komsindo okungenakulahlekelwa, kunciphisa usayizi wefayela ngenkathi kulondolozwa ikhwalithi yomsindo yokuqala engu-100%.

Opus

I-Opus iyikhodekhi yomsindo evulekile, engenamali enikeza ukucindezelwa kwekhwalithi ephezulu kukho kokubili inkulumo nomsindo ovamile. Ilungele izinhlelo zokusebenza ezahlukahlukene, kufaka phakathi i-voice over IP (VoIP) nokusakaza.