HiFi-GAN uye GAN Vocoders
HiFi-GAN inogadzira-adversarial vocoder inoshandura mel-spectrogram kuita yakasvibira odhiyo waveform kanenge ipapo, ichigadzira studio-yemhando yekutaura nekukurumidza kupfuura nguva chaiyo.
Pfupiso
It became the standard final stage of modern text-to-speech because it is fast, lightweight, and hard to distinguish from real recordings.
Kudzika Kwakadzika
Vocoder inhanho yekupedzisira mumapaipi mazhinji eTTS: modhi yakaita seTacotron kana FastSpeech inofanotaura mel-spectrogram (yakabatana mufananidzo wefrequency nekufamba kwenguva), uye vocoder inozadza iwo chaiwo waveform samples. Ekutanga neural vocoder seWaveNet yakanzwika yakakura asi yakagadzira odhiyo sampuli-ne-sample, ichiita kuti inonoke zvinorwadza. HiFi-GAN, yakaburitswa naKong, Kim, naBae muna 2020, yakatsiva iyo autoregressive loop nejenareta rimwe chete rekupa-mberi rakadzidziswa kurwisa. Hunyengeri hwayo hwekushandisa kushandisa rusarura rwakati wandei rwunotonga odhiyo pazvikero zvakasiyana uye pamusoro peakasiyana periodic mapatani, achimanikidza jenareta kuti iwane zvese zviri zviviri manyorerwo akanaka uye pitch periodicity kurudyi. Mhedzisiro yacho ndeye 22 kHz kutaura kwakagadzirwa mazana enguva nekukurumidza pane chaiyo nguva paGPU, ine mhando inokwikwidza pasi-chokwadi odhiyo.
Technical Insight
HiFi-GAN's jenareta inosimudzira iyo mel-spectrogram kuburikidza neyakachinjika convolutions, ine akaturikidzana Multi-Receptive Field mabhuroko anosanganisa akasiyana kernel saizi uye dilations kutora akasiyana mafungu maitiro. Mhuri mbiri dzerusarura dzinoita zvechipurisa: Multi-Period Discriminator inogadzirisa chiratidzo che1D kuita 2D grids pamaprimes se2, 3, 5, 7, 11 kubata pitch periodicity, uye Multi-Scale Discriminator inoongorora waveform pane akati wandei akaderedzwa sarudzo. Mel-spectrogram uye kurasikirwa-kufananidza kurasikirwa kunochengeta kudzidziswa kwakadzikama.
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 reHiFi-GAN uye GAN Vocoders
Mavhokodha eGAN anoramba achiwedzera kuita madiki uye nekukurumidza: vazukuru vakaita seBigVGAN vanowedzera anti-aliased activation kuti vawedzere kune vasingaonekwe vaimbi, zviridzwa, nemitauro, nepo UnivNet neVocos zvichisundira kune wepasirese, ese-bhendi synthesis. Kutenderera uye pane-mudziyo akasiyana zvino mhanyisa vocoding mukati memafoni uye mahedhifoni kune yakaderera-latency vabatsiri. Kuwedzera, kupararira uye kuyerera-kufananidza maodhiyo modhi ari kunyungudutswa muGAN-maitiro ega-pass jenareta, achisanganisa kutendeka kwediffusion nekumhanya kweGAN. Tarisira kuti mavhokodha achadzima kuita zvakajairika-chinangwa neural audio codecs inogonesa zvese kutaura nemimhanzi.
Real-World Implementation
Kugadzira kuburitswa kwekutaura kwevabatsiri uye maapplication ekufambisa ayo anoda mhinduro pasina kunonoka kunonzwika.
Kusimbisa-chaiyo-nguva izwi cloning uye dubbing maturusi uko cloned mel-spectrogram inopihwa mune yakasikwa-inonzwika odhiyo.
Kutyaira mabhuku ekuteerera uye podcast kurondedzera mapuratifomu anogadzira maawa ekutaura nekukurumidza uye zvakachipa.
Kushanda senge waveform nhanho mukati mekuimba-izwi synthesizer uye mimhanzi demos kuburikidza neBigVGAN-maitiro epasirese vocoder.
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
Parallel WaveGAN Vocoder
Mibvunzo inowanzo bvunzwa
What is HiFi-GAN and GAN Vocoders?
HiFi-GAN inogadzira-adversarial vocoder inoshandura mel-spectrogram kuita yakasvibira odhiyo waveform kanenge ipapo, ichigadzira studio-yemhando yekutaura nekukurumidza kupfuura nguva chaiyo. Yakave nhanho yekupedzisira yeazvino zvinyorwa-ku-kutaura nekuti inokurumidza, isingaremi, uye yakaoma kusiyanisa kubva kune chaiyo yakarekodhwa.
Nderipi basa rekutanga revokoda seHiFi-GAN mune yemavara-kune-kutaura pombi?
Vocoder ndiyo nhanho yekupedzisira iyo inogadzira chaiyo waveform samples kubva kune mel-spectrogram inogadzirwa neacoustic modhi.
Nei HiFi-GAN ichikurumidza zvakanyanya kupfuura yekutanga WaveNet vocoder?
WaveNet yakagadzira odhiyo sampuli-ne-sample (autoregressively), nepo HiFi-GAN's feed-forward jenareta inoburitsa waveform mupfuti imwe, ichiwana nekukurumidza-kupfuura-chaiyo-nguva yekumhanya.
Chii chinobatsira HiFi-GAN's Multi-Period Discriminator inonyatso batsira kubata?
Iyo Multi-Period Discriminator inogadziridza iyo 1D waveform kuita 2D ichishandisa prime-nhamba nguva kuona iyo periodic chimiro chakasungirirwa pakudzika.
Mazwi eGAN anodzidziswa 'zvakasiyana.' Zvinorevei apa?
Mukugadzika kweGAN, jenareta inodzidza kugadzira masaisai echokwadi akakwana kunyengedza masarura erusarura akadzidziswa kutaura chaiwo kubva kudhidhiyo.
Ndeipi yakazotevera vocoder inotambanudza HiFi-GAN kuti iwedzere zvirinani kune asingaonekwe manzwi, kuimba, uye zviridzwa?
BigVGAN inoyera HiFi-GAN uye inowedzera anti-aliased periodic activation, inovandudza generalization kune kunze-kwe-kugovera odhiyo senge kuimba uye zviridzwa.