Kaldi Speech Recognition Toolkit
Kaldi ndeye yemahara, yakavhurika-sosi yekushandisa iyo yakave inotungamira yekutsvagisa chikuva chekuvaka masisitimu ekuzivikanwa kwekutaura.
Pfupiso
It matters because for nearly a decade it was the go-to foundation for academic and industrial ASR work.
Kudzika Kwakadzika
Kaldi, yakaburitswa muna 2011 uye ichitungamirwa naDaniel Povey, yakanyorwa muC ++ ine mabikirwo akabatanidzwa ne bash uye Perl zvinyorwa. Iyo yakavakirwa pane yekare ASR pombi: bvisa acoustic maficha (MFCCs kana mafirita mabhengi), modhi fonimu inonzwika neGaussian Musanganiswa Models kana, gare gare, yakadzika neural network, uye sanganisa acoustic modhi, mataurirwo lexicon, uye mutauro modhi mune imwechete yekutsvaga girafu. Sarudzo yaro yekutsanangura tekinoroji yaive kushandisa huremu hwekupedzisira-nyika transducer (WFSTs) kubva muraibhurari yeOpenFST kugadzira zvinyorwa zvese zveruzivo kuita girafu rimwe rekudhirodha. Kaldi akatumira 'mabikirwo' emadataseti akajairwa seSwitchboard, Librispeech, uye Wall Street Journal, zvichiita kuti vaongorori vaburitse mhedzisiro yemazuva ano. Yakave iyo yereferensi yekushandisa iyo masisitimu matsva akaiswa mabhenji.
Technical Insight
Kaldi's core trick kuumba maWFST ina mugirafu rimwe rinonzi HCLG: H mepu neural-net kana GMM inoti kune mafoni anoenderana nemamiriro ezvinhu, C inobata fonetiki mamiriro (matriphone), L ndiyo mataurirwo efononi yekumepu mafoni kumazwi, uye G ndiyo modhi yemutauro. Kuwanza aya matransducer uye nekunatsiridza mhedzisiro inoburitsa girafu imwe chete iyo decoder inotsvaga ine danda-yakatemwa Viterbi algorithm, ichishandura maodhiyo mafuremu kuita ingangoita izwi kutevedzana zvinobudirira.
Strategic Impact
Svika uye svika
Inonatsiridza kusvikika kuburikidza nekunyora, kurondedzera, uye mazwi ekubatanidza.
Mutengo uye bhajeti
Zvikwata zveMedia zvinogona kutumira odhiyo yakakwenenzverwa nekukurumidza nemabhajeti madiki.
Kumhanya uye chiyero
Masisitimu anotarisana nevatengi anogona kugadzirisa kutaurirana kwekutaura pamwero mukuru.
Ramangwana reKaldi Speech Recognition Toolkit
Kaldi's hybrid HMM-DNN maitiro akanyanya kusimudzwa nemagumo-kusvika-kumagumo neural modhi inomepu odhiyo zvakananga kune zvinyorwa. Daniel Povey's anotsiva purojekiti, k2 (ine Icefall neLhotse ecosystem), inofungidzirazve Kaldi's WFST mazano muPyTorch ine inosiyaniswa finite-state automata. Tarisira kuti Kaldi pachayo irambe iri referensi yenhoroondo uye chishandiso chekudzidzisa, nepo dzinza rayo rekufungidzira richibatanidza classical yakarongeka decoding neazvino transformer-based uye inozvitarisira-acoustic modhi.
Real-World Implementation
MaLebhu edzidzo anoburitsa Librispeech uye Switchboard mabhenji kuti asimbise mutsva acoustic modelling research
Kuvaka masisitimu emirairo yezwi kune yakaderera-zvishandiso kana mitauro mishoma uchishandisa Kaldi mabikirwo
Kumisikidzwa kurongeka kweodhiyo kune zvinyorwa zvemitauro, kugadzira dataset, uye subtitle nguva
Kusimbaradza kutsvaga kwezwi kwekutanga uye kudzoreredza kumashure muindasitiri isati yasvika-kumagumo mhando dzakura
Njodzi & Guardrails
Kushandisa izwi zvisizvo uye njodzi dzekuedzesera dzinowedzera kana chibvumirano chisipo.
Kururama kunogona kudonha mumitauro, mataurirwo, kana nharaunda dzine ruzha.
Synthetic audio inogona kukanganisa kutaura kwechokwadi isina mavara akajeka.
Implementation Roadmap
Wana mvumo yakajeka yekutora inzwi, kugadzira, uye kushandisa zvakare.
Yedza mhando pavatauri vakasiyana uye mamiriro ekumashure.
Tsanangura apo munhu anofanira kuongorora kana kubvumidza zvabuda.
Label synthetic odhiyo uye chengetedza marekodhi ekuzvidavirira.
Ramba Uchiongorora
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Gaidhi rinotevera
Kuzivikanwa Kwekutaura Kwezevezeve
Mibvunzo inowanzo bvunzwa
What is Kaldi Speech Recognition Toolkit?
Kaldi ndeye yemahara, yakavhurika-sosi yekushandisa iyo yakave inotungamira yekutsvagisa chikuva chekuvaka masisitimu ekuzivikanwa kwekutaura. Izvo zvine basa nekuti kweanoda kusvika makore gumi yaive yekuenda-kunheyo yebasa redzidzo uye maindasitiri ASR.
Ndeupi mutauro wepurogiramu wakanyorwa naKaldi?
Kaldi's core yakanyorwa muC ++ yekuita, ine bash uye Perl zvinyorwa zvinoronga kudzidziswa uye decoding mabikirwo.
Ndechipi chimiro chesvomhu chinoshandiswa naKaldi kubatanidza acoustic modhi, lexicon, uye modhi yemutauro kuita girafu rimwe chete rekudhirodha?
Kaldi anonyora maWFSTs kubva muraibhurari yeOpenFST kuita imwe HCLG graph inotsvagwa nedhikodha.
Ndiani musiki wekutanga uye anotungamira chirongwa cheKaldi?
Daniel Povey akatungamira kusimudzirwa kweKaldi, yakatanga kuburitswa muna 2011, uye gare gare akatanga mutevedzeri wek2 chirongwa.
MuKaldi's classic pombi, chii chaimbova maGMM (Gaussian Mixture Models) pakutanga aishandiswa kuenzanisira?
GMMs dzakatevedzera acoustic mukana wephoneme nyika dzisati dzadzika neural network dzavatsiva mumahybrid masisitimu.
Chii chinonzi zita remazuva ano PyTorch-based anotsiva ecosystem kuKaldi?
k2, pamwe neIcefall naLhotse, inodzokorodza pfungwa dzeKaldi dzekupedzisira mune inosiyanisa, PyTorch-inoshamwaridzika fomu.