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Liliu Opus i AMR

Liliu Lau Opus i AMR pepa e faigofie

Filifili au faila

*Ua tapeina faila pe a mavae le 24 itula

Liliu e oo atu i le 1 GB faila e aunoa ma se totogi, e mafai e tagata faʻaoga Pro ona liliu e oo atu i le 100 GB faila; Saini nei lava

La'uina i luga

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Auala e faaliliu ai Opus i AMR

Laasaga 1: Lafo i luga lau Opus faila e faʻaaoga ai le faʻamau o loʻo i luga pe e ala i le toso ma faʻapaʻu.

Laasaga 2: Kiliki le faamau 'Liliu' e amata ai le liua.

Laasaga 3: La'u mai lau faila ua liua AMR faila


Opus i AMR Fesili e Masani Ona Fesiligia e uiga i le Suiga

Faʻafefea ona ou suia le Opus leo i le AMR e aunoa ma le leiloa o le lelei?
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Faʻaulu le Opus faila ma o le a filifili e le matou faʻatonu le AMR codec / bitrate e fetaui ma le faʻavae. O le target lossless (AMR = WAV / FLAC / ALAC) e tausia uma ni faataitaiga; o le target lossy (AMR = MP3 / AAC / OGG) e faʻatonu i le 192 kbps lea e manino mo le tele o leo.
Faʻasolosolo 192 kbps mo le AMR e leai se faʻaleagaina; faʻasolosolo mo le AMR e leai se faʻaleagaina. Faʻaititia i le 320 kbps mo leo poʻo le 96 kbps mo leo / podcast. O le filifiliga e faʻatau atu le tele o le faila i le leo lelei i le bitrates maualalo.
Afai e Opus e leai se fa'aititia ma AMR e leai se fa'aititia (e.g. MP3 → WAV), e le lelei le AMR faila nai lo le Opus — e le mafai ona e toe maua fa'amatalaga ua fa'aititia. Afai e leai se fa'aititia o Opus ma AMR e leai se fa'aititia, e tatau ona toe fa'aititia e le AMR codec; i le 192 kbps e manino ai mo le tele o mea.
Ia - o le igoa, tagata faʻatino, ata, tausaga, numera o le ata, ata o le ata e faitau mai i le Opus ma tusia i le AMR container (i le mea e lagolagoina ai e le AMR format tags, o mea uma e masani ai).
Yes — drop a folder of Opus 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.
E faalagolago i le faatonuga (48 kHz Opus → 48 kHz AMR). Afai e te manaʻomia le faʻaititia o le fuataga mo le fetaui (e.g. 96 kHz → 44.1 kHz mo le faʻaputuina o CD) o le filifiliga o le fuataga o le fuataga ua ausia e faia lenei mea ma le toe faʻaititia o le fuataga i le tulaga maualuga.
O le filifiliga loudness-normalize e faʻaaogaina ai le faʻanaturaina o le ITU-R BS.1770 / EBU R128 i le AMR output, e faʻatali ai le -14 LUFS (paʻaga faʻatulagaga) poʻo le -16 LUFS (paʻaga podcast). E aoga pe a faʻaliliuina i le vaega-faʻatulagaga ni faʻatulagaga ma ni tulaga eseese o le puleaina.
MP3 taʻalo i le lalolagi atoa. AAC taʻalo i luga o Apple, le tele o Android, Sonos. FLAC taʻalo i luga Sonos ma Android, le lelei i luga o iPods matutua. WAV taʻalo i luga o mea uma ae e tele. O filifiliga maualuga aofia ai masini presets mo nei faʻamoemoega masani.
Ia — e faʻavasegaina faʻamaumauga a le Opus i tagata faigaluega eseʻese ma e faʻaititia i totonu o minute. E leʻi taʻalo, teuina, poʻo le faʻasoaina o le faʻamatalaga leo.
Toe fa'avasegaina o le codec tutusa: 10-30 sekone. Toe fa'avasegaina i se codec ese: masani 10-20% o le taimi e fa'asolo ai le fa'aputuga, o lea e mae'a ai se 1- itula Opus → AMR i le 6-12 minute.
E le o tupu se suiga o le maua e aunoa ma le faʻaolaina o le filifiliga o le faʻataʻitaʻiga. Afai e te vaʻaia se suiga o le tulaga, e mafai ona faʻaaogaina e lau tagata taʻalo leo pe lau pusa meli le ReplayGain poʻo le faʻataʻitaʻiga o le taʻaloga - e le o i tatou.
Afai e le puipuia le download Opus (e leai se DRM), e mafai. O faila e faʻacryptina i le DRM (Spotify, Apple Music) e encrypted i le bit level ma e le mafai ona tatou faʻavasegaina. O puna mai Bandcamp, SoundCloud download, ma talafaasolopito o tagata lava ia e toe faʻavasegaina lelei.

Opus

Opus is the modern open audio codec that beats MP3 and AAC at low bitrates, which is why voice chat and streaming use it.

AMR

AMR is a speech codec tuned for voice recordings and phone calls, which is why music sounds poor in it.


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