Source-Sefa Vocoding uye NYIKA
Vokoda chishandiso chinopatsanura kutaura muzvikamu zvayo zvekuvaka uye kuchivaka patsva.
Pfupiso
The source-filter model and the WORLD vocoder are classic methods that power text-to-speech and voice conversion by separating what your vocal cords do from what your mouth shapes.
Kudzika Kwakadzika
Mabviro-sefa modhi inotsanangura kutaura sezvidimbu zviviri zvinoshanda pamwechete: kunobva (ruzha kubva pamiviri yako yezwi rinodedera remanzwi, kana mhepo ine ruzha yekuzevezera nemakonzonendi) yakapfuura nepasefa (chimiro chinonzwika chehuro yako, muromo, uye mhino). Vocoder inoongorora akarekodhwa odhiyo kuti afungidzire zvidimbu izvi, obva agadzira mutsva odhiyo kubva kwavari. NYIKA, yakaburitswa naMasanori Morise kutenderera 2016, ivokodha yemhando yepamusoro inobvisa maparamita matatu: F0 (iyo pitch contour yekwakabva), iyo envelopu yekuona (iyo sefa, kuburikidza neCheapTrick algorithm), uye aperiodicity (yakawanda sei ruzha inopesana netoni, kuburikidza nePLATINUM / D4C). Idzi nzizi nhatu dzinogona kugadziridzwa dzakazvimirira dzozogadziriswazve, zvichiita kuti NYIKA ive horse yeparametric TTS uye masisitimu ezwi ekuimba.
Technical Insight
SIMBA renyika rinobva mukuparadzana kwakachena. CheapTrick inofungidzira hamvuropu yakatsetseka ine simba kune diki F0 zvikanganiso, nepo DIO/Harvest track pitch uye D4C inoyera bhendi aperiodicity. Nekuti kurira, timbre, uye ruzha zvinogara munzvimbo dzakaparadzana paramende, unogona kusimudzira F0 kumusoro octave usingashandure kuti izwi rinonzwika sei, kana kutambanudza nguva pasina kushandura inzwi. Neural vocoder seWaveNet yakazotevedzera waveform zvakananga, asi NYIKA inoramba ichikurumidza, inodudzirwa, uye isina rezinesi.
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 reKunobva-Sefa Vocoding uye NYIKA
Akachena masaini-ekugadzirisa mavhokodha akabatwa zvakanyanya neural vocoder (HiFi-GAN, WaveRNN) yemhando yepamusoro-yekupedzisira, asi NYIKA haina kunyangarika. Iyo inopona sekukurumidza, CPU-inoshamwaridzika kumberi kwekupedzisira mukati meizwi-shanduko mapaipi, kuimba synthesizer, uye yekutanga yekutsvagisa, uye yayo F0-plus-spectral-envelope maficha achiri kufudza akawanda neural modhi. Tarisira masisitimu akasanganiswa uko NYIKA-maitiro anodudzirwa maparamendi anotungamira neural decoder, ichipa vanogadzira kutonga kwakaringana pamusoro penzwi uye timbre pasina kupira realism.
Real-World Implementation
Maturusi ekushandura inzwi anochinja matauriro nemanzwi emutauri uku uchichengeta kutaura kunzwisisika
Kuimba izwi synthesizer (senge UTAU/NNSVS ecosystem) inogadziridza manotsi pamatanho matsva.
Parametric mavara-kune-kutaura masisitimu anogadzira F0, spectral, uye aperiodicity nzizi pamberi pemanzwi.
Hurukuro yekutsvagisa nheyo dzekuchinja kwenzwi, kutambanudza nguva, uye prosody editing pasina kudzokorora
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
Demucs Music Source Separation
Mibvunzo inowanzo bvunzwa
What is Source-Filter Vocoding and WORLD?
Vokoda chishandiso chinopatsanura kutaura muzvikamu zvayo zvekuvaka uye kuchivaka patsva. Iyo sosi-sefa modhi uye WORLD vocoder inzira dzekare dzinosimbisa mavara-kune-kutaura uye kushandurwa kwezwi nekupatsanura izvo tambo dzezwi rako dzinoita kubva kune izvo muromo wako.
Muchibviro-sefa modhi yekutaura, 'sefa' inomiririrei?
Sefa ndiyo nzwimbo yezwi — chimiro chehuro, muromo, uye mhuno inopenya inzwi. Kunobva kurira kwezwi kana mhepo ine ruzha.
Ndeapi maparamita matatu anotorwa neVOKODA YENYIKA kubva mukutaura?
NYIKA inoparadza kutaura kuita kwakakosha frequency (F0), iyo spectral envelope (timbre/filter), uye aperiodicity (ruzha rinopesana ne toni chiyero).
Zita reWorld's algorithm yekufungidzira spectral envelope rinonzi chii?
CheapTrick inofungidzira hamvuropu yakatsetseka ine simba kune zvikanganiso zvidiki mukufungidzira kwepitch.
Sei kupatsanura pitch kubva kune spectral envelopu inobatsira?
Nekuti pitch (F0) uye timbre (spectral envelope) nzizi dzakazvimiririra, unogona kusimudza kana kudzikisa inzwi uchichengetedza kuzivikanwa kwemutauri.
NYIKA inofananidzwa sei nemaneural vocoder seHiFi-GAN?
NYIKA inodhinda-inogadzirisa vocoder: inokurumidza, inodudzira, uye CPU-inoshamwaridzika. Neural vocoders anowanzo kuwana hunhu hwepamusoro asi hunorema.