I-EnCodec Audio Compression
I-EnCodec iyikhodekhi yomsindo we-neural ethembekile engu-Meta ecindezela inkulumo nomculo ngama-bitrate aphansi kakhulu ngekhwalithi ephikisana namafomethi asinda kakhulu.
Uhlolojikelele
It matters because it underpins modern generative audio systems and ships in open-source form for anyone to use.
I-Deep Dive
Ikhishwe yi-Meta AI ngo-2022, i-EnCodec ilandela ipulani ye-SoundStream yesishumeki, i-residual vector quantizer (RVQ), kanye nesikhiphi esiqeqeshiwe ekupheleni, kodwa yengeza ukucolisiswa okumbalwa. Isebenzisa i-convolutional encoder enamandla okusakaza, i-spectrogram enezilinganiso eziningi kanye nokulahlekelwa kokwakhiwa kabusha kwesizinda sesikhathi, kanye nababandlululi abaphikisanayo ngekhwalithi yombono. Umnikelo ophawulekayo imodeli encane ye-entropy esekelwe ku-Transformer eqhubeka icindezela amakhodi abaliwe ngokungalahleki, icindezela izingcezu ezengeziwe ngaphandle kokulahlekelwa kwekhwalithi. I-EnCodec iphinde yethule isilinganisi esikala ngokuzenzakalelayo ukulahleka okuningi kokuqeqeshwa okuqhudelanayo ukuze bahlale bezinzile. Iphatha umsindo we-monophonic ongu-24 kHz kanye no-48 kHz westereo, isebenza kuwo wonke ama-bitrate afana no-1.5, 3, 6, no-12 kbps, futhi ku-6 kbps ifinyelela kukhwalithi eqhathaniswa ne-MP3 ku-64 kbps. Amathokheni ayo anika amandla Meta's MusicGen kanye ne-AudioGen.
I-Technical Insight
Isishumeki se-EnCodec sehlisa isampula i-waveform ngokuguquguquka okunemigqa ibe ukulandelana okucashile, i-RVQ eyiguqula ibe yizinkomba ze-codebook ezistakiwe. Imodeli yolimi lwe-Transformer engasindi ibikezela amathuba alawa mathokheni futhi iwafake amakhodi e-arithmetic, iphinde ithole ukucindezela okwengeziwe mahhala. Ibhalansi yokuqeqesha inciphisa iminikelo yokukhula kusukela ekwakhiweni kabusha, okubonakalayo, nokulahlekelwa okuphambene ukuze kungabikho ithemu elilodwa elibusayo, okugcina ukuqeqeshwa kwezinhloso eziningi kuzinzile kulo lonke ibanga eligcwele le-bitrate.
I-Strategic Impact
Finyelela futhi ufinyelele
Ithuthukisa ukufinyeleleka ngokuloba, ukulandisa, nezixhumi ezibonakalayo zezwi.
Izindleko kanye nesabelomali
Amaqembu emidiya angathumela umsindo opholishiwe ngokushesha ngamabhajethi amancane.
Isivinini nesikali
Amasistimu abhekene nekhasimende angacubungula ukusebenzelana okukhulunyiwe ngesilinganiso esikhulu.
Ikusasa le-EnCodec Audio Compression
I-EnCodec isivele iyithokheni ezenzakalelayo yamamodeli ambalwa omsindo okukhiqizayo avulekile, futhi inzalo yayo icindezela ukwethembeka okuphezulu kuma-bitrate aphansi, ukwakhiwa kabusha kwe-stereo kanye nebanga lomculo, kanye nokuhlanganiswa okuqinile namajeneretha ombhalo ukuya komsindo kanye nombhalo kuye emculweni. Lindela ukutholwa okubanzi ekuxhumaneni komkhawulokudonsa ophansi, ukusakaza-bukhoma kwesikhathi sangempela, kanye nongqimba olujwayelekile 'lwethokheni yomsindo' oluvumela izakhiwo zesitayela esikhulu semodeli yolimi ukuthi zifunde futhi zibhale umsindo.
Ukuqaliswa Komhlaba Wangempela
Ukwenza ithokheni yomsindo we-Meta's MusicGen kanye namajeneretha ombhalo ukuya komsindo we-AudioGen
Icindezela inkulumo engu-24 kHz iye ku-1.5-6 kbps ngokudluliswa okukhawulelwe komkhawulokudonsa
Ifaka ngekhodi umculo we-stereo ongu-48 kHz onekhwalithi eduze ne-MP3 ngama-bitrate aphezulu kakhulu
Isebenza njengekhodekhi yokungena yomthombo ovulekile yocwaningo namapayipi omsindo we-ML kusetshenziswa izindawo zokuhlola ezikhishiwe
Izingozi & Guardrails
Ukusetshenziswa kabi kwezwi kanye nezingozi zokuzenza ongeyena ziyanda uma imvume ingekho.
Ukunemba kungase kwehle kuzo zonke izinhlobo zokuphimisela, izilimi zesigodi, noma izindawo ezinomsindo.
Umsindo wokwenziwa ungenziwa iphutha njengenkulumo eyiqiniso ngaphandle kokulebula okucacile.
Ukuqalisa Umhlahlandlela
Thola imvume esobala yokuthwebula izwi, ukuhlanganisa, nokusebenzisa kabusha.
Ikhwalithi yokuhlola kuzo zonke izipikha nezimo zangemuva.
Chaza ukuthi kunini lapho umuntu kufanele abuyekeze noma agunyaze okuphumayo.
Lebula umsindo wokwenziwa futhi ugcine amarekhodi atholakalayo ukuze aziphendulele.
Qhubeka Uhlole
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Umhlahlandlela olandelayo
Ukushumeka komsindo kanye nokufunda kokumelela
Imibuzo evame ukubuzwa
What is EnCodec Audio Compression?
I-EnCodec iyikhodekhi yomsindo we-neural ethembekile engu-Meta ecindezela inkulumo nomculo ngama-bitrate aphansi kakhulu ngekhwalithi ephikisana namafomethi asinda kakhulu. Ibalulekile ngoba isekela amasistimu omsindo akhiqizayo wesimanje kanye nemikhumbi ngendlela yomthombo ovulekile ukuze isetshenziswe yinoma ubani.
Iyiphi inhlangano ekhiphe i-EnCodec?
I-EnCodec yethulwa yi-Meta AI (FAIR) ngo-2022 njengekhodekhi yomsindo we-neural yokwethembeka okuphezulu.
Iyiphi ingxenye eyengeziwe i-EnCodec eyengezayo ukuze iminya ngokungenakulahlekelwa okwengeziwe kumathokheni ayo?
I-EnCodec iqeqesha i-Transformer encane ukuthi ibikezele amathuba ethokheni futhi iwafake amakhodi e-arithmetic, kuzuzwe ukucindezela okungalahleki okwengeziwe phezu kwe-RVQ.
Cishe ku-6 kbps, ikhwalithi ye-EnCodec ibikwe njengeqhathaniswa ne-MP3 cishe ngayiphi i-bitrate?
I-EnCodec ku-6 kbps ifinyelela kukhwalithi evumelanayo efana ne-MP3 ku-64 kbps, inzuzo enkulu yokusebenza kahle.
Iyiphi inkinga 'ibhalansi' ye-EnCodec eyixazulula ngesikhathi sokuqeqeshwa?
Ngokulahlekelwa okuningi (ukwakhiwa kabusha, ukubukeka, ukuphikisana), isilinganisi sinciphisa ama-gradients ukuze kungabikho umgomo owodwa obusayo, ukuzinzisa ukuqeqeshwa.
Iyiphi indlela eyinhloko yokulinganisa i-EnCodec eyabelana ngayo ne-SoundStream?
Njenge-SoundStream, i-EnCodec isebenzisa ukulinganisa kwe-vector eyinsalela ukuze ihlukanise ukushumeka kwekhodi ibe yizinkomba ze-codebook ezistakiwe.