Filterbank iyo PLP Tilmaamaha
Astaamaha Filterbank iyo Perceptual Linear Prediction (PLP) waa siyaabo lagu soo koobo calaamada hadalka tirooyin is haysta, macno ahaan macno leh oo moodooyinka barashada mashiinka isticmaali karaan.
Dulmar
They matter because they let speech recognizers focus on the parts of sound humans actually hear, discarding irrelevant detail.
quusid qoto dheer
Si maqal cayriin loogu beddelo sifooyin, calaamaduhu waxa loo kala qaybiyaa fiimyo gaagaaban oo la dhex maraa bangi filtarrada is dulsaaran oo u dhexeeya cabbirka mel, kaas oo u ekaysiinaya dareenka soo noqnoqda ee aan tooska ahayn ee dhegta. Isku soo wada duuboo tamarta shaandhada kasta waxay soo saartaa sifooyinka log-mel filterbank, talooyinka ugu muhiimsan ee moodooyinka hadalka qoto dheer ee casriga ah. PLP, oo uu sameeyay Hynek Hermansky, waxay ku daraysaa cilmi-nafsiyeedka badan: waxay khusaysaa xadhkaha muhiimka ah ee miisaanka jilif, qalooca qaylada isku midka ah ee miisaanka sida dhegtu sameyso, iyo cube-root xoojinta-ilaa-caddaynta, ka dib waxay ku habboon tahay dhammaan tiirka (saadaasha toosan) si loo hagaajiyo jaantuska. Natiijadu waa matalaad cabbir hoose leh oo ku adag kala duwanaanshaha hadalka iyo kanaalka. MVCCs waa ilmo adeer dhow oo ku dara isbeddelka cosine si loo qurxiyo wax soo saarka bangiga filter.
Aragtida Farsamada
Fikirka muhiimka ah waa dagaal la fahmi karo: hertz linear waxaa loo habeeyay mel ama qolof jilif si filtarrada ay u cidhiidhi ahaadaan soo noqnoqoshada hoose iyo ballaaran yihiin kuwa sare, oo ku habboon xallinta cochlear. Horu-u-qaadista dhawaaqa siman ee PLP iyo qaabka cube-root cube sida aragtida qaylada dhegta ay tahay mid aan toos ahayn. Tallaabada ugu dambeysa ee saadaalinta toosan waxay ku habboon tahay baqshad siman oo muuqaal ah, oo qabanaysa qaabka dhawaaqa iyadoo la xakameynayo is-waafajinta dhawaaqa ee ku kala duwan kuwa ku hadla.
Saamaynta Istiraatijiyadeed
Helitaanka iyo gaarsiinta
Waxay wanaajisaa marin u helida iyada oo loo marayo qoraal-qorid, sheeko, iyo is-dhexgalyo cod.
Qiimaha iyo miisaaniyada
Kooxaha warbaahintu waxay ku soo rari karaan codka sifaysan si degdeg ah iyagoo wata miisaaniyado yaryar.
Xawaaraha iyo miisaanka
Nidaamyada u jeedda macmiisha waxay ka baaraandegi karaan isdhexgalka hadalka si weyn.
Mustaqbalka Filterbank iyo Tilmaamaha PLP
Shabakadaha neerfayaasha ee qotodheer waxay si isa soo taraysa uga door bidaan bangiyada shaandhada log-mel ceyriinka ah marka loo eego sifada PLP ama MMFC oo si aad ah loo farsameeyay, sababtoo ah shabakadu waxay barataa isbeddelkeeda si ka wanaagsan qurxinta gacanta lagu naqshadeeyay. Soohdintu waa cidhifyada hore ee la baran karo sida SincNet iyo wav2vec oo ku shaqeeya mowjadaha cayriin. Weli, mel filterbanks waxay ahaanayaan kuwo meel walba deggan, qiimo jaban, iyo mabaadi'da fahamka ee ka dambeeya PLP waxay sii wadaan inay ku wargeliyaan sida injineeradu u qaabeeyaan oo u tarjumaan matalaaddan la bartay.
Dhaqangelinta Adduunka-dhabta ah
Xisaabinta 40 log-mel filterbank sifooyin kasta qaab ahaan sida gelinta shabakada neerfaha hadalka-ilaa-qoraalka
Isticmaalka sifooyinka PLP ee nidaamka dhawaaqa dhawaaqa adag ee baabuurta
Dhuumaha aqoonsiga afhayeenka kuwaas oo ku tiirsan muuqaalada muuqaalka ah ee leexleexan
Ku-helidda ereyga muhiimka ah ee aaladaha tamarta yar halkaasoo astaamaha filterbank ee is haysta ay yareeyaan xisaabinta
Khatarta & Dariiqyada Ilaalada
Si xun u isticmaalka codka iyo khataraha is-yeelyeelku way kordhaan marka oggolaanshaha la waayo.
Saxnimadu waxay hoos ugu dhici kartaa lahjadaha, lahjadaha, ama jawiga buuqa badan.
Maqalka synthetic waxaa lagu khaldi karaa hadal dhab ah iyada oo aan si cad loo calaamadin.
Qorshe Hawleedka Dhaqangelinta
Hel ogolaansho cad oo ku saabsan qabashada codka, xidhitaanka, iyo dib u isticmaalka
Tijaabi tayada ku hadasha kala duwan iyo xaaladaha asalka.
Qeex marka bani'aadamku ay tahay inuu dib u eego ama oggolaado wax soo saarka.
Ku calaamadee codka synthetic oo xafid diiwaannada la-xisaabtanka.
Sii wad Sahaminta
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Hagaha xiga
Baaritaanka Tooska ah iyo Qiimaynta Muuqaalka la qaboojiyey
Su'aalaha soo noqnoqda
What is Filterbank and PLP Features?
Astaamaha Filterbank iyo Perceptual Linear Prediction (PLP) waa siyaabo lagu soo koobo calaamada hadalka tirooyin is haysta, macno ahaan macno leh oo moodooyinka barashada mashiinka isticmaali karaan. Muhiim ma aha sababtoo ah waxay u ogolaadaan aqoon-yahannada hadalka inay diiradda saaraan qaybaha bini'aadamka dhawaaqa dhab ahaantii maqla, iyaga oo iska tuuraya faahfaahin aan khusayn.
Maxay tahay sababta baanka shaandhada hadalku u kala fogaadeen miisaanka jilifka halkii ay ka ahaan lahaayeen hertz toosan?
Miisaanka mel iyo jilifku waxa ay qiyaasaan xalinta cochlear bini aadamka, kaas oo ka fiican xawliyada hoose iyo ka dhuuban mawjadaha sare.
Maxay fulisaa tallaabada saadaasha tooska ah ee PLP?
PLP waxay ku habboon tahay moodal-tirada-dhan si ay u soo saarto baqshad siman oo muuqaal leh, oo qabata sifooyinka dhawaaqa iyada oo la xakameynayo iswaafajinta ku-tiirsanaanta hadalka.
Qaabkee noocee ah ayaa ah wax gelinta ugu badan ee moodooyinka aqoonsiga hadalka qoto dheer ee casriga ah?
Tilmaamaha kaydka filter-ka ee Log-mel waa jaangooyooyinka caadiga ah, is haysta, fahamka macnaha leh ee moodooyinka hadalka qoto dheer ee maanta.
Sidee MMFC-yadu uga duwan yihiin sifooyinka bangiga ee log-mel filterbank?
MVCC-yadu waxay ku dabaqaan isbeddelka cosine discrete ee korka tamarta log-mel filterbank si ay ugu qurxiyaan iskudhafyada is haysta.
Waa maxay shay la fahmi karo oo ay PLP ku jirto oo aanay ku jirin bangiyada filtarrada aasaasiga ah?
PLP waxay ku dartay xooga-saarista dhawaaqa siman iyo cube-root xoojinta-ilaa-qeylada si ay u qaabayso aragtida qaylada aadanaha.