Akayunguruzo na PLP Ibiranga
Ibiranga Filterbank hamwe na Perceptual Linear Prediction (PLP) nuburyo bwo kuvuga mu ncamake ibimenyetso byerekana imvugo muburyo bworoshye, bwumvikana mubisobanuro byerekana imashini yiga imashini ishobora gukoresha.
Incamake
They matter because they let speech recognizers focus on the parts of sound humans actually hear, discarding irrelevant detail.
Kwibira cyane
Guhindura amajwi mbisi mubiranga, ibimenyetso bigabanyijemo ibice bigufi hanyuma bikanyuzwa muri banki yungurura ibintu byungurujwe ku gipimo cya mel, bigana ugutwi kutumva kumurongo. Guteranya ingufu muri buriyungurura bitanga log-mel filterbank ibiranga, ibyiganjemo ibitekerezo byimbitse bigezweho. PLP, yakozwe na Hynek Hermansky, yongeraho psychoacoustics nyinshi: ikoresha amabya manini manini manini, umurongo ungana-ugabanya umurongo uremereye nkuko ugutwi ubikora, hamwe na cube-mizi ubukana-bw-ijwi ryinshi, hanyuma bigahuza na pole-pole (guhanura umurongo) kugirango yorohereze urwego. Igisubizo ni gito-cyerekana guhagararirwa gukomera kubavuga no gutandukanya imiyoboro. MFCCs ni mubyara wa hafi wongeyeho cosine ihinduka kugirango yangize umusaruro wa filteri ya banki.
Ubushishozi
Igitekerezo cyingenzi nugushishoza kurugero: umurongo wa hertz usubizwa mumunzani cyangwa umunzani kuburyo gushungura bigufi kumurongo muto kandi mugari hejuru murwego rwo hejuru, bihuye na cochlear. Uburinganire-buke bwa PLP bwibanze hamwe na cube-imizi yo kwikuramo uburyo uburyo bwo gutwi kwamatwi kutagira umurongo. Intambwe yanyuma yo guhanura-ihuza ibahasha itunganijwe neza, ifata imiterere-yijwi ryamajwi mugihe uhagarika imvugo ihuza itandukaniro hagati yabavuga.
Ingaruka z'Ingamba
Kugera no kugera
Itezimbere kugerwaho binyuze mu kwandukura, kuvuga, no guhuza amajwi.
Igiciro na bije
Amatsinda yibitangazamakuru arashobora kohereza amajwi yihuse hamwe na bije nto.
Umuvuduko n'igipimo
Sisitemu ireba abakiriya irashobora gutunganya imikoranire ivugwa murwego runini.
Kazoza ka Filterbank na PLP Ibiranga
Imiyoboro yimbitse yimitsi iragenda ikunda log-mel ya filterbanks yibikorwa bya PLP cyangwa MFCC ikora cyane, kuberako umuyoboro wiga guhinduka kwarwo kuruta gushushanya intoki. Imipaka irashobora kwigishwa imbere irangira nka SincNet na wav2vec ikora kumashanyarazi mbisi. Biracyaza, mel filterbanks ikomeza kugaragara nkibintu bihamye, byinjiza amafaranga make, kandi amahame yo gushishoza inyuma ya PLP akomeje kumenyesha uburyo injeniyeri zishushanya kandi zigasobanura ibyo byerekanwa byize.
Gushyira mu bikorwa Isi
Kubara 40 log-mel filterbank ibiranga kumurongo nkibyinjijwe mumvugo-ku-mwandiko urusobe rw'imitsi
Gukoresha ibiranga PLP mumajwi-akomeye yama majwi sisitemu yimodoka
Imiyoboro yo kumenyekanisha imvugo ishingiye kubintu bigaragara neza
Ijambo ryibanze kugaragara kubikoresho bifite imbaraga nkeya aho comptabilite ya filterbank igabanya kubara
Ingaruka & Kurinda
Gukoresha nabi amajwi no kwigira ibyago byiyongera mugihe uruhushya rubuze.
Ukuri kurashobora kugabanuka hejuru yimvugo, imvugo, cyangwa urusaku rwibidukikije.
Amajwi yubukorikori arashobora kwibeshya kumvugo yukuri nta kirango gisobanutse.
Igishushanyo mbonera
Shaka uruhushya rusobanutse rwo gufata amajwi, gukoroniza, no gukoresha.
Ikizamini cyiza mubiganiro bitandukanye hamwe nuburyo bwimbere.
Sobanura igihe umuntu agomba gusuzuma cyangwa kwemeza ibisubizo.
Andika amajwi yubukorikori kandi ugumane inyandiko zerekana kubazwa.
Komeza Ubushakashatsi
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Ubuyobozi bukurikira
Isuzuma ryumurongo hamwe nisuzuma ryimiterere
Ibibazo bikunze kubazwa
What is Filterbank and PLP Features?
Ibiranga Filterbank hamwe na Perceptual Linear Prediction (PLP) nuburyo bwo kuvuga mu ncamake ibimenyetso byerekana imvugo muburyo bworoshye, bwumvikana mubisobanuro byerekana imashini yiga imashini ishobora gukoresha. Ntacyo bitwaye kuko bareka abamenya kuvuga bakibanda kubice byabantu bumvikana neza bumva, bakajugunya ibintu bidafite akamaro.
Ni ukubera iki imvugo ya filterbanks yashyizwe kumurongo wa mel cyangwa ibishishwa aho kuba umurongo wa hertz?
Umunzani wa mel na bark bigereranya imiterere ya cochlear yumuntu, ikaba nziza kumurongo muto hamwe na coarser kumurongo mwinshi.
Intambwe yo guhanura umurongo muri PLP ikora iki?
PLP ihuye nicyitegererezo cya pole kugirango ikore ibahasha yoroheje, ifata ibiranga amajwi-mugihe uhagarika imvugo ihuza imvugo.
Ni ubuhe bwoko bw'ubwoko bwiganje muburyo bugezweho bwo kumenyekanisha imvugo?
Log-mel filterbank ibiranga nibisanzwe, byegeranye, byumvikana ko byinjijwe muburyo bwimbitse bwo kuvuga.
Nigute MFCCs itandukaniye nibisanzwe log-mel filter ya banki?
MFCCs ikoresha impinduka ya cosine yihariye hejuru yingufu za log-mel filterbank kugirango zivemo coefficient.
Nibihe bintu byo gushishoza PLP ikubiyemo ibyo shingiro rya mel filterbanks idakora?
PLP yongeramo amajwi angana yibanze hamwe na cube-mizi ubukana-bwo-gusakuza kugirango bigaragare neza imyumvire yabantu.