Canji na Constant-Q don Sauti
Canjin Constant-Q (CQT) nazari ne na mitar da ke amfani da madaidaitan ramukan logarithmically wanda ya dace da farar kida, maimakon madaidaitan kwandon shara na daidaitaccen canjin Fourier.
Dubawa
It matters because it mirrors how we perceive pitch, making it ideal for music analysis where notes double in frequency each octave.
Zurfafa nutsewa
A cikin Canjin Canji na ɗan gajeren lokaci na al'ada, mitar mitoci ana tazarar su a layi ɗaya, don haka ƙananan bayanan kula ana cuɗe su tare yayin da manyan bayanai ke samun ƙuduri mai yawa. Kiɗa baya aiki haka: kowane octave yana ninka sau biyu a mitar, kuma semitone ƙayyadadden rabo ne, ba ƙayyadadden adadin hertz ba. CQT yana gyara wannan ta hanyar kiyaye ƙimar mitar cibiyar zuwa bandwidth, ƙimar ingancin Q, koyaushe a duk bins. Ƙananan mitoci suna samun tsayin bincike windows (ƙudurin mitar mai kyau) kuma mafi girman mitoci suna samun gajeriyar windows (ƙudurin lokaci mai kyau). Sakamako shine na'urar kallo inda layi daya yayi daidai da filin kida guda ɗaya, kuma ƙwanƙwasa iri ɗaya yayi kama da kamanceceniya ko da wane octave aka kunna a ciki. Wannan kadarar ta sa CQT ta zama ƙarshen gaba na halitta don gane ma'auni, rubutawa, da bin diddigin sauti.
Fahimtar Fasaha
Constant Q yana nufin kowane ma'aunin bandwidth na matattara tare da mitarsa ta tsakiya, don haka duk bins suna ɗaukar adadin centi na kiɗa iri ɗaya. Yawanci ana sanya kwanduna 12 ko 24 a kowace octave don daidaitawa tare da sautin sauti ko sautunan kwata. Saboda tsayin taga ya bambanta da bin, ingantattun aiwatarwa suna amfani da FFT guda ɗaya tare da matrix na kernel maimakon ƙididdige kowane tacewa daban, wanda shine yadda ɗakunan karatu kamar librosa ke sa CQT sauri.
Dabarun Tasiri
Shiga ku isa
Yana inganta samun dama ta hanyar rubutu, ba da labari, da mu'amalar murya.
Kudin da kasafin kuɗi
Ƙungiyoyin kafofin watsa labaru na iya jigilar sauti mai gogewa cikin sauri tare da ƙaramin kasafin kuɗi.
Gudu da sikelin
Tsarin fuskantar abokin ciniki na iya aiwatar da hulɗar magana a mafi girman ma'auni.
Makomar Canji na Constant-Q don Sauti
Ana ƙara amfani da CQT azaman wakilcin shigarwa don ƙirar kiɗan koyo mai zurfi, tun da tsarin sa mai daidaitawa yana ba da damar cibiyoyin sadarwa masu jujjuya su koyi fasalin juzu'i. Yi tsammanin haɗin kai tare da sautin jijiya a cikin ayyuka kamar rubutun atomatik, gano waƙar murfin, da rabuwar tushe. Ƙarshen gaba na gaba wanda ya haɗu da CQT tare da koyan banki filter suna kunno kai, kuma bambance-bambancen CQT yadudduka yanzu suna barin samfura su inganta canji tare da hanyar sadarwa yayin horo.
Aiwatar da Gaskiyar Duniya
Tsarukan gane maɓalli ta atomatik waɗanda ke taswirar kowane CQT bin zuwa ajin farar kiɗan
Kayan aikin kwafin kiɗa yana canza rikodin piano zuwa kiɗan takarda ko MIDI
Gano kwatankwacin waƙar murfi da kiɗan da ke fa'ida daga fasalulluka na octave-m
Maɓallin-canzawa da abubuwan gano maɓalli a cikin wuraren ayyukan sauti na dijital
Hatsari & Tsare-tsare
Rashin amfani da murya da haɗarin kwaikwaya yana ƙaruwa lokacin da aka rasa izini.
Daidaituwa na iya faɗuwa cikin lafuzza, yaruka, ko mahalli masu hayaniya.
Ana iya kuskuren sauti na roba don ingantacciyar magana ba tare da bayyananniyar lakabi ba.
Taswirar Hanya
Sami tabbataccen izini don ɗaukar murya, cloning, da sake amfani.
Gwajin ingantattun masu magana daban-daban da yanayin baya.
Ƙayyade lokacin da dole ne ɗan adam ya duba ko ya amince da abubuwan da aka fitar.
Yi lakabin sauti na roba da kuma adana bayanan da aka tabbatar don yin lissafi.
Ci gaba da Bincike
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Jagora na gaba
Gano Farko a cikin Audio
Tambayoyin da ake yawan yi
What is Constant-Q Transform for Audio?
Canjin Constant-Q (CQT) nazari ne na mitar da ke amfani da madaidaitan ramukan logarithmically wanda ya dace da farar kida, maimakon madaidaitan kwandon shara na daidaitaccen canjin Fourier. Yana da mahimmanci saboda yana nuna yadda muke tsinkayar sauti, yana mai da shi manufa don nazarin kiɗan inda bayanin kula sau biyu a mitar kowane octave.
Ta yaya ake tazarar mitoci a cikin Canjin Constant-Q?
CQT yana amfani da bins masu sarari don haka kowane bin ya dace da tazarar farar kiɗan, sabanin tazarar layi na daidaitaccen FFT.
Menene 'Q' a cikin Constant-Q ke nufi?
Q shine rabon mitar cibiyar tacewa zuwa bandwidth ɗin sa, kuma CQT yana kiyaye wannan rabo akai-akai a duk bins.
Me yasa CQT ke amfani da dogon bincike windows a ƙananan mitoci?
Ƙananan bayanin kula na kiɗa suna kusa sosai a cikin cikakkiyar hertz, don haka windows masu tsayi suna ba da kyakkyawan ƙudurin mitar da ake buƙata don raba su.
Wace fa'idar fahimta ce CQT ke da ita don kiɗa akan sikirin sikirin?
Saboda ana tazarar kwano ta hanyar ramin farar sauti, jujjuya maɗaukaki sama da octave kawai yana canza tsarin, yana ba da juzu'i na octave/matsayi mai amfani ga ayyukan kiɗa.
Nawa CQT bins a kowace octave ake amfani da su don daidaitawa tare da semitones?
Bins goma sha biyu a kowace octave suna daidaita kowane bin tare da ƙaramin sikelin chromatic na Yamma; 24 bins yana ba da ƙudurin sautin kwata.