Audio AI GUIDE

DDSP Yakasiyana Audio Synthesis

DDSP (Differentiable Digital Signal Processing) fuses classic synthesizer kuvaka zvidhinha neural network, saka kudzidza kwakadzama kunogona kudzora oscillator uye mafirita zvakananga.

2 min verengaLast update

Pfupiso

It produces strikingly natural, controllable instrument sounds with tiny models and little data.

Kudzika Kwakadzika

DDSP, yakaunzwa neGoogle's Magenta timu muna 2020, inofunga zvakare nezve neural audio chizvarwa. Panzvimbo yetiweki inofanotaura mbishi odhiyo samples imwe panguva (seWaveNet) kana mapikseli eiyo spectrogram, DDSP inogadzira echinyakare DSP zvikamu - harmonic additive oscillator, jenareta yakasefa, uye reverb - inosiyaniswa. Izvi zvinoreva kuti ma gradients anogona kuyerera nepakati pawo panguva yekudzidziswa, saka diki neural network inodzidza kuburitsa zvinodudzirwa zvinodzora masiginecha: iyo yakakosha kurira, ruzha rwese, uye amplitudes yeakawanda eharonics nekufamba kwenguva. Synthesizer inobva yapa iwo chaiwo odhiyo kubva kune aya ma control. Nekuti iyo fizikisi yeruzha yakabikwa mukuvaka kwete kudzidzwa kubva pakutanga, DDSP inowana mhando yepamusoro ine mashoma mashoma paramita uye mienzaniso yekudzidzisa, uye inoita kuti vashandisi vazvigadzire kurira, ruzha, uye timbre - kunyangwe kuita kutamisa timbre, sekuita kuti izwi rekuimba ritambe seviolin.

Technical Insight

Iyo musimboti ndeye spectral modelling synthesizer: bhangi reHarmonic oscillator rinogadzira huwandu hwemasaisai esine pahuwandu hwakawanda hweiyo yakakosha frequency, nepo nzira yakaparadzana inosefa ruzha ruchena rwekufema uye inharmonic maumbirwo. Iyo neural network haimboburitsa odhiyo zvakananga - inoburitsa nguva-inosiyana yekudzora paramita (f0, ruzha, harmonic kugovera, sefa coefficients). Kudzidzira kunoshandisa yakawanda-scale spectrogram kurasikirwa ichienzanisa yakagadzirwa uye inonangwa odhiyo pane akati wandei FFT hwindo saizi, iyo yakasimba kune chikamu mutsauko.

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 reDDSP Rinosiyana Audio Synthesis

DDSP iri kusundira chaiyo-nguva, yakaderera-latency neural zviridzwa uye maodhiyo mhedzisiro inomhanya pane zvine mwero Hardware, kusanganisira mu-browser uye pamidziyo yakamisikidzwa. Zvidzoreso zvaro zvinodudzirwa zvinoita kuti ive yakanaka kune inoratidzira maturusi ekuita uye mahybrid synthesizer uko vaimbi vanofona timbre zvakananga. Vatsvaguri vari kuwedzera iyo inosiyaniswa-DSP zano kune yemuviri modhi, kamuri acoustics, uye yakazara maodhiyo ekugadzira cheni, kusanganisa kudzoreka kwechinyakare chiratidzo chekugadzirisa nehuchokwadi hwekudzidza kwakadzama mukugadzirwa kwemimhanzi uye dhizaini yekurira.

Real-World Implementation

Maturusi ekutamisa maTimbre anotora mutsindo kana wakaimbwa uye oupazve seviolin, nyere, kana hwamanda munguva chaiyo.

Akareruka neural synthesizer plugins anodzorwa nevaimbi nenzwi rinonzwika, ruzha, uye kupenya mapfundo.

Pitch-kururamisa uye inoratidzira resynthesis yezviridzwa zvakarekodhwa uchichengetedza yakasikwa harmonic ruzivo.

Browser-based interactive music demos inogadzira chiridzwa chinonzwika pasina inorema GPU modhi.

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

1

Wana mvumo yakajeka yekutora inzwi, kugadzira, uye kushandisa zvakare.

2

Yedza mhando pavatauri vakasiyana uye mamiriro ekumashure.

3

Tsanangura apo munhu anofanira kuongorora kana kubvumidza zvabuda.

4

Label synthetic odhiyo uye chengetedza marekodhi ekuzvidavirira.

Ramba Uchiongorora

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Mibvunzo inowanzo bvunzwa

What is DDSP Differentiable Audio Synthesis?

DDSP (Differentiable Digital Signal Processing) fuses classic synthesizer kuvaka zvidhinha neural network, saka kudzidza kwakadzama kunogona kudzora oscillator uye mafirita zvakananga. Iyo inoburitsa zvinoshamisa zvechisikigo, chinodzoreka chiridzwa chinorira nemhando diki uye data diki.

Chii chakakosha innovation kumashure kweDDSP?

DDSP inoshandura echinyakare synthesizer zvivharo zvekuvaka kuita anosiyaniswa mamodule, ichirega neural network idzidze kuvadzora kuburikidza nekudzokera shure.

MuDDSP, chii chinobuda neural network?

Iyo network inofanotaura nguva-inosiyana-siyana yekudzora ma paramita, uye yakaparadzana inosiyanisa synthesizer inopa odhiyo kubva kwavari - haimbobudise masampuli zvakananga.

Ndeapi maviri epakati-anogadzira masikirwo anosanganisirwa neDDSP's spectral synthesizer?

Harmonic additive oscillator inogadzira iyo yakadzika, harmonic chikamu apo ruzha rwakasefa runowedzera kufema uye inharmonic magadzirirwo.

Nei DDSP ichigona kuwana mhando yepamusoro ine mamodheru madiki uye data diki?

Nekuti inozivikanwa chiratidzo-yekugadzirisa chimiro chakavakirwa mukati kwete kudzidza kubva kutanga, network ine zvishoma zvishoma zvekudzidza, kuvandudza data uye parameter kunyatsoita.

Ndeipi basa rekurasikirwa rinoshandiswa neDDSP kuenzanisa inogadzirwa uye kunanga odhiyo yakasimba?

Kuenzanisa magnitude spectrograms pakugadziriswa kwakawanda kwakasimba kune chikamu mutsauko, iyo sampuli-level kurasikirwa kunonetsa.