Neural Vocoders
Neural vocoder modhi inoshandura compact acoustic inomiririra, kazhinji mel-spectrogram, kuita chaiyo inonzwika waveform.
Pfupiso
It is the final stage that gives modern text-to-speech and voice cloning their natural, human sound.
Kudzika Kwakadzika
Matauriro echinyakare aishandisa masign-processing vocoders ayo aiwanzoita kunge bhobho kana kuti marobhoti. Neural vocoders vanodzidza kugadzira patsva maodhiyo samples kubva kune spectrogram nekudzidziswa kwemaawa ekurekodha chaiko. WaveNet (DeepMind, 2016) ndiyo yaive budiriro, kufanotaura odhiyo imwe sampuli panguva pa16,000+ samples pasekondi, ichigadzira zvinokatyamadza kutaura kwechisikigo asi zvishoma nezvishoma. Gare gare modhi yakatengesa iyo autoregressive bhodhoro rekumhanya: WaveGlow yakashandisa kuyerera-kwakavakirwa chizvarwa, Parallel WaveGAN uye MelGAN yakashandisa generative adversarial network, uye HiFi-GAN yakava chiyero chakakurumbira nekugadzira yakakwirira-kutendeseka 22kHz odhiyo nekukurumidza kupfuura nguva chaiyo. Nhasi vocoder inenge inogara iri hafu yechipiri yepombi-matanho maviri, akapetwa neacoustic modhi seTacotron 2 kana FastSpeech inogadzira iyo mel-spectrogram.
Technical Insight
Iyo mel-spectrogram inorasa ruzivo rwechikamu cheaudio, ichichengeta chete kuti simba rinogovaniswa sei pamabhendi efrequency nekufamba kwenguva. Basa rakaoma revokodha kugadzira inonzwisisika, inopindirana waveform ine magnitude spectrum inofanana nekuisa ikoko. GAN-based vocoder seHiFi-GAN inoshandisa akawanda anosarura anoongorora chiratidzo pazvikero zvakasiyana uye periodicities, achisundidzira jenareta kuti ibudise ruzivo rwakanaka senge harmonics uye inopinza inopinza yemakonzonendi.
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 reNeural Vocoders
MaVocoder ari kuita madiki uye nekukurumidza kuti akwanise kumhanya pamafoni nemidziyo yakamisikidzwa pasina gore. Kune zvakare kusundidzira kune epasirese mavhakodha ayo anojairira kune chero mutauri, mutauro, kuimba, kana kunyange isiri-yekutaura ruzha pasina kudzidziswa. Muitiro wakafanana unopeta vocoder zvakananga kumagumo-kusvika-kumagumo masisitimu uye neural codecs, kudzima mutsetse pakati peakasiyana acoustic uye waveform nhanho uye kudzikisa zvigadzirwa zvinounzwa nekupfuura nepakati pepakati spectrogram.
Real-World Implementation
Kugadzira iyo yekupedzisira inotaurirwa audio muzvinyorwa-ku-kutaura-vabatsiri sezviverengi zvemasikirini nemaapplication ekufambisa
Kugadzira manzwi echisikigo anonzwika mune dubbing uye audiobook maturusi ekurondedzera
Kugadzirazve manzwi ekuimba muAI mimhanzi uye virtual-vocalist software
Kugonesa pa-mudziyo izwi kubuda kwevatauri vakangwara uye maturusi ekuwana pasina sevha yekutenderera-nzendo
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
HiFi-GAN uye GAN Vocoders
Mibvunzo inowanzo bvunzwa
What is Neural Vocoders?
Neural vocoder modhi inoshandura compact acoustic inomiririra, kazhinji mel-spectrogram, kuita chaiyo inonzwika waveform. Ndiyo nhanho yekupedzisira inopa zvinyorwa-kune-kutaura-nezwi zvemazuva ano kuumba ruzha rwavo rwechisikigo, rwemunhu.
Nderipi basa rekutanga reneural vocoder?
Neural vocoder inotora compact acoustic chimiro, kazhinji mel-spectrogram, uye inogadzirisa iyo chaiyo mbishi audio waveform yaunonzwa.
Ndeipi modhi ya2016 yaive budiriro yakaita kuti neural vocoders inzwike yakasikwa?
WaveNet, kubva kuDeepMind muna 2016, yakagadzira odhiyo sampuli-ne-sample uye yakagadzira zvinokatyamadza kutaura kwechisikigo, kutanga neural vocoder era.
Nei iyo yekutanga WaveNet yakanonoka kugadzira odhiyo?
WaveNet ndeye autoregressive: yega yega odhiyo sampu inoenderana neyakapfuura, saka kugadzira makumi ezviuru emasampuli pasekondi kwaidhura computationally.
Nderupi ruzivo rwunoraswa ne mel-spectrogram, zvichiita kuti basa revokodha rinyanye kuoma?
Mel-spectrograms inochengeta hukuru (simba pa frequency bhendi) asi inodonha chikamu, saka vocoder inofanirwa kuvakazve yakabatana waveform ine chikamu chinonzwisisika.
Ko GAN-based vocoders seHiFi-GAN inovandudza sei chokwadi?
HiFi-GAN inoshandisa vasarura vakati wandei vachiongorora zvikero zvenguva dzakasiyana uye periodicities, vachisundidzira jenareta kuti ibudise echokwadi maharmonics uye mapfupi.