Chinja MP3 kuti AMR

Chinja Yako MP3 kuti AMR mafaira pasina simba

Sarudza mafaira ako

*Mafaira adzimwa mushure memaawa makumi maviri nemana

Shandura mafaira anosvika 1 GB mahara, vashandisi vePro vanogona kushandura mafaira anosvika 100 GB; Nyorera izvozvi

Kuisa

Maitiro ekushandura MP3 kuti AMR

Danho 1: Isa yako MP3 mafaira uchishandisa bhatani riri pamusoro kana nekudhonza nekudonhedza.

Danho rechipiri: Dzvanya bhatani rekuti 'Convert' kuti utange kushandura.

Danho rechitatu: Dhawunirodha yako yakashandurwa AMR mafaira

MP3 kuti AMR Mibvunzo Inowanzo bvunzwa Nezvekuchinja

Ndinogona sei kushandura MP3 audio kuenda ku AMR pasina kukuvadza kwemhando?

Upload the MP3 file and our converter chooses the AMR codec / bitrate combination that matches the source. Lossless target (AMR = WAV / FLAC / ALAC) preserves every sample; lossy target (AMR = MP3 / AAC / OGG) defaults to 192 kbps which is transparent for spoken-word audiobooks and most music.

Kushandura MP3 kuenda ku AMR ndeimwe yekupedzisira rondedzero yekumanikidza kwekumanikidza?

Yeah, uye zvinokosha kutarisira. Mafomati maviri ari kushaya, saka encoder AMR ari kushanda kubva kune audio iyo yaive yapfuura neimwe psychoacoustic pass, uye pfungwa dzayo dzinoumba yekutanga seti. Pa 192 kbps kana kupfuura, iyo mhinduro ichiri yakajeka kune vazhinji vanonzwa. Kana iwe uine master isina kushaya chero kupi, encoding the AMR kubva kune iyo inodzivirira double pass zvakakwana. MP3 iine kushaya simba: psychoacoustic model inobvisa mafrequencies ayo ziso harigone kuona, semuenzaniso 128-320 kbps. AMR i narrowband speech codec ichiita pakati pe4.75 ne12.2 kbps, ichifananidza munhu wechivanhu nechivanhu, asi kwete nezvose zvinotaurwa nezvokutaura.

Ndezvipi zvinyorwa zvemabhaisikopo uye zvinyorwa zvealbumi zvinoramba zvichishanda mushure mekushandurwa kubva ku MP3 kuenda ku AMR?

Hachisi chakachengeteka. MP3 chinotakura chimiro che metadata, asi AMR hachina nzvimbo yakajairika yemutambi, album, nhamba yemufananidzo kana chipo chekuratidzira, saka mazita anotorwa kwete kuparadzwa. Tenga MP3 sekopi yakanyorwa, kana wozoitazve kunyorwa nekushandisa se Mp3tag kana MusicBrainz Picard. AMR inoravira ndangariro: 8 kHz bandwidth yake inoravira zvese zviri pamusoro pefoni frequencies, uye hapana mari yekudzokorora-kunyora zvinozoidzosera.

Nei mutauro wemutauro unonzwa sewevakadzi munguva iyi?

Nekuti imwe nzvimbo yacho inonzi codec yechitaura kupfuura codec yechirongwa chemuvhi. Inoratidza pfungwa dzevanhu uye inobvisa zvese zviri kunze kwebandwidth yefoni, izvo zvinokosha kana uchida kutumira meseji uye zvinokuvadza kana uchida kutumira chero chinhu chine mainstruments. Kuchinjana kwacho hakugone kudzosera mafrequencies akaipa — havana kunyorwa mukodzero yekutanga. MP3 inonzi yakaoma kupfuura AAC neOpus pazvose bitrate, haazochengeti kupfuura maviri machannels zvakakwana, uye nguva dzose inowedzera munguva pfupi encoder delay.

Ndeipi bitrate iyo faira AMR inoshandisa?

Zviri pachena kuti 192 kbps ndezvekunonoka AMR; kutevedzera kwe AMR pasina kunonoka. Dzokera ku 320 kbps kune vanofarira mashoko kana 64-96 kbps kune mabhuku ekutaura (anoonekwa nemunhu anotaura, anowedzera saizi yefayela nehafu).

Kubva pa MP3 kuenda pa AMR kunoderedza sei kunaka kwezwi rangu?

Kana MP3 iri nehuwandu hwehuwandu uye AMR iri pasina huwandu hwehuwandu (e.g. MP3 → WAV), faira AMR harisi rakanaka kupfuura MP3 — haugone kudzosa ruzivo rwakaiswa pasi. Kana MP3 iri pasina hwando uye AMR iri nehuwandu hwehuwandu, fungidzira kuti codec AMR ichadzosera kumanikidza; pa192 kbps izvi zvinoratidzika kune zvimwe zvinhu.

I MP3 to AMR converter inochengeta ID3 / metadata tags?

Yeah - zita, munyori, album, gore, nhamba yemufananidzo, nhamba yealbum, uye chikamu chezvinyorwa (zviri zvakakosha kune audiobooks) zvinoverenga kubva ku MP3 uye zvakanyorwa muAMR chigaro apo AMR fomati inotsigira ma tags.

Ndinogona kushandura mazana e MP3 mafaera kuita AMR?

Yeah - bvisa folder ye MP3 mafaera uye isu tinozvigadzirisa zvakaenzana. Premium ine akawanda akaenzana maworkers uye hapana kumanikidza kwefaera, saka batch ye500-file inosvika mumasekondi kupfuura makumi emasekondi.

I AMR ichachengeta iyo imwechete sampling rate se MP3?

Zviri pachena kuti hapana (48 kHz MP3 → 48 kHz AMR). Kana iwe uchida kushambadza pasi kuti zvive zvakaenzana (e. g. 96 kHz → 44.1 kHz for CD burning) iyo yakakwira sampling-rate sarudzo ichaita izvi nemhando yepamusoro yekushambadza.

Ndinogona here kudzora kusimba kwezwi mu MP3 kusvika ku AMR?

Yeah — loudness-normalize sarudzo inoshandisa ITU-R BS.1770 / EBU R128 normalization kune AMR output, ichitarisa -14 LUFS (streaming standard), -16 LUFS (podcast standard), kana -23 LUFS (audiobook standard).

I AMR ichatamba pafoni yangu yefoni / iPod / audiobook app?

MP3 anotamba pasi rese. AAC anotamba paApple, vazhinji Android, Sonos. FLAC anotamba pa Sonos uye Android, zvakaipa pane vadiki iPods. M4B audiobooks kutamba nechitsauko kushanyira pa iOS Books, Audiobookshelf, uye Smart Audiobook Player.

Ndiani anochengeta MP3 faira rangu panguva yekushandura?

Yeah — akakwira MP3 mafaera anogadziriswa muzvirongwa zvakasiyana uye anogadziriswa mukati memasekondi. Tisingatamba, hatichengeti, kana kugovera zvemukati zvemutauro wechinyakare.