PESQ na STOI Imvugo Ubwiza Ibipimo
PESQ na STOI ni ibipimo ngenderwaho bisanzwe byerekana uburyo imvugo itunganijwe neza kandi ikumvikana, bitabaye ngombwa ko abantu bumva.
Incamake
They let engineers benchmark codecs, noise reducers, and speech-enhancement models automatically.
Kwibira cyane
PESQ. Igereranya ibimenyetso bisukuye byerekana ko byangiritse kandi bigatanga amanota ku gipimo gisa na MOS (hafi -0.5 kugeza 4.5), cyerekana imyumvire y'abantu. STOI (Bigufi-Objective Intelligible), yatangijwe muri 2010, ahubwo ihanura ko byumvikana: ni amagambo angahe uwumva yakumva. Ihuza amabahasha yigihe gito yamagambo asukuye kandi yatunganijwe mumirongo yumurongo, itanga amanota kuva kuri 0 kugeza kuri 1. Byombi byinjira (bishingiye kubisobanuro). PESQ irasubiza 'byumvikana neza?' mugihe STOI isubiza 'urashobora kubyumva?' Hamwe hamwe nibikoresho bisanzwe byo gusuzuma byo kongera imvugo, kwamagana, hamwe na sisitemu yo gutesha agaciro.
Ubushishozi
Ibipimo byombi byinjira: bihuza ibyerekezo bisukuye nibimenyetso byangiritse mbere yo gutanga amanota. Ikarita ya PESQ yerekana ibimenyetso byombi kurwego rwo hejuru rwijwi rya psychoacoustic (Bark band), ibara ihungabana ryimyumvire mugihe, kandi ikagisubiza agaciro kameze nka MOS. STOI igabanya imvugo mugice kimwe cya gatatu-octave, ifata ibice bigufi ~ 400 ms ibice by'amabahasha, clips ikanabisanzwe, hanyuma ikabara isano iri hagati y amabahasha yangiritse. Ugereranije ayo masano atanga amanota 0-kuri-1 yumvikana.
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 PESQ na STOI Imvugo Yiza Ibipimo
Kuberako PESQ na STOI bakeneye ibisobanuro bisukuye, ubushakashatsi bugenda bwerekeza kubipimo bitinjira, bidafite aho bihurira nka DNSMOS na NISQA bitanga amanota meza uhereye kubimenyetso byangiritse byonyine ukoresheje imiyoboro mitsi. Uburyo bushya bwimbitse bwimbitse nabwo bwatojwe guhanura MOS yabantu. Nubwo bimeze bityo, PESQ na STOI bikomeza kuba ibipimo byashinze imizi, kandi icyerekezo cyingenzi nukubatera gutandukana kuburyo bashobora gukoreshwa muburyo bwimikorere yo gutakaza imyitozo kumurongo wogutezimbere imvugo aho kuba nyuma yisuzuma ryukuri.
Gushyira mu bikorwa Isi
Ibipimo byerekana imvugo-kuzamura no kwerekana urusaku rwerekana ibizamini bisanzwe
Kugereranya terefone na VoIP codec ubuziranenge mugihe cyubwubatsi
Kuringaniza kumva-imfashanyo hamwe na cochlear-yatewe gutunganya kugirango byumvikane neza
Kwemeza algorithms ya dereverberation mu nama no mu majwi-umufasha
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
Imvugo Synthesis Ubwiza
Ibibazo bikunze kubazwa
What is PESQ and STOI Speech Quality Metrics?
PESQ na STOI ni ibipimo ngenderwaho bisanzwe byerekana uburyo imvugo itunganijwe neza kandi ikumvikana, bitabaye ngombwa ko abantu bumva. Bareka abajenjeri bapima codecs, kugabanya urusaku, na moderi yo kongera imvugo mu buryo bwikora.
Niki PESQ ipima?
PESQ (ITU-T P.862) iteganya ubuziranenge bw'imvugo igaragara ku gipimo gisa na MOS.
Ni iki STOI iteganya mbere na mbere?
STOI igereranya kumvikana, ni ukuvuga uburyo imvugo yumvikana, ku gipimo cya 0 kugeza kuri 1.
PESQ na STOI byombi bisobanurwa nkibipimo byinjira. Ibyo bivuze iki?
Ibipimo byinjira bigereranya ibimenyetso byangiritse ugereranije nibisobanuro bisobanutse kugirango ubare amanota.
Nibihe bigereranyo by'amanota ya STOI?
STOI isohora agaciro hagati ya 0 na 1, aho hejuru bisobanura byinshi byumvikana.
PESQ yerekana kumva kwabantu ikoresheje ubwoko bwikigereranyo cyinshyi?
Ikarita ya PESQ yerekana ibimenyetso byerekana ijwi rya psychoacoustic ukoresheje Bark-band itunganya.