SpecAugment Yekuzivikanwa Kwekutaura
SpecAugment inzira yakapfava asi ine simba yekuwedzera data iyo inovhara uye inotenderedza spectrogram yekutaura kuita kuti mamodheru ekuzivikanwa awedzere kusimba.
Pfupiso
It boosted accuracy on benchmarks without any new audio or model changes.
Kudzika Kwakadzika
SpecAugment, yakaunzwa na Google Brain (Park et al.) muna 2019, inowedzera kudzidziswa kwekutaura nekugadzirisa iyo log-mel spectrogram zvakananga kwete iyo mbishi waveform. Inoshandisa mashandiro matatu: nguva warping, iyo inotambanudza zvishoma kana kumanikidza odhiyo pamwe neakisi yenguva; frequency masking, iyo inobvisa mabhendi e frequency chiteshi; uye nguva masking, iyo inovhara kunze spans dzenguva nhanho. Nekumanikidza iyo modhi kuziva kutaura kunyangwe chunks ye spectrogram yakavanzwa, SpecAugment inoita seyakajairwa uye inodzivirira kuwandisa. Yakanga yakachipa zvinoshamisa uye inoshanda, ichibatsira LAS-maitiro mamodheru kusvika panguva iyoyo-ye-ye-iyo-ye-ye-ye-ye-ye-ye-yekukanganisa mazwi mareti paLibriSpeech uye Switchboard, uye inoramba iri chinhu chakasarudzika mumapaipi emazuva ano ekudzidzisa ASR.
Technical Insight
SpecAugment inoshanda pa 2D spectrogram sekunge mufananidzo. Frequency masking inobvisa chivharo chisina kujairika che mel-frequency chiteshi; nguva masking inobvisa chivharo chisina kujairika chenguva zhinji mafuremu; nguva yekuchinja inoshandura nzvimbo yakasarudzwa ichitevedza axis yenguva uchishandisa kududzira. Masks akawanda anogona kuiswa pakutaura. Nekuti masiki anochinja epoch yega yega, modhi yacho inonyatsoona misiyano isingaperi yemuenzaniso wega wega, kuvandudza hunyanzvi pasina kuunganidza data idzva.
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 reSpecAugment Yekuzivikanwa Kwekutaura
SpecAugment yave pedyo-yepasirese default mukuzivikanwa kwekutaura uye iri kupararira kune mamwe maodhiyo mabasa sekusimbisa mutauri uye kupatsanura inzwi. Remangwana rebasa rinoisa masikisi marongero otomatiki kana kuzvishandura panguva yekudzidziswa, uye inosanganisa spectrogram masking neanozvitarisira ega ega ekudzidzira zvinangwa. Sezvo mamodheru achikura, yakachipa yekuwedzera iyo inowedzera kusimba pasina yekuwedzera yakanyorwa odhiyo inoramba ichikosha zvakanyanya, kunyanya kune yakaderera-zvishandiso mitauro uko data iri kushomeka.
Real-World Implementation
Kuvandudza chiyero chekukanganisa kwemazwi paLibriSpeech nekumisa mabhendi e spectrogram panguva yekudzidziswa
Kudzoreredza kumagumo-kusvika-kumagumo ASR modhi seLAS kana Conformer kuderedza kuwandisa
Kuwedzera mashoma maseti emitauro-zvishoma pasina kurekodha mutsva
Kuchinjira iyo masking zano kune simbisa yemukurukuri uye odhiyo chiitiko chiitiko
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
Kaldi Speech Recognition Toolkit
Mibvunzo inowanzo bvunzwa
What is SpecAugment for Speech Recognition?
SpecAugment inzira yakapfava asi ine simba yekuwedzera data iyo inovhara uye inotenderedza spectrogram yekutaura kuita kuti mamodheru ekuzivikanwa awedzere kusimba. Iyo yakawedzera huchokwadi pamabhenji pasina chero nyowani odhiyo kana modhi shanduko.
Chii chinonzi SpecAugment inoshanda pairi?
SpecAugment inogadzirisa iyo spectrogram (iyo nguva-frequency inomiririra) zvakananga kwete iyo mbishi waveform.
Ndeipi yeiyi imwe yeatatu eSpecAugment's mashandiro?
Iwo matatu maoparesheni inguva warping, frequency masking, uye nguva masking.
Chii chinangwa chekutanga cheSpecAugment?
Nekuvanza zvikamu zve spectrogram, inomanikidza modhi kuti iite generalize, kuderedza kuwandisa uye kuderedza mazinga ekukanganisa.
Chii chinoita 'nguva masking'?
Nguva yekuvharisa zero inoburitsa isina kurongeka yemafuremu anotevedzana pamwe neakisi yenguva ye spectrogram.
Sei kuchinja masks epoch yega yega kuchibatsira?
Akasiyana masiki enguva imwe neimwe zvinoreva kuti modhi inosangana nekusiyana kusingaperi, kuvandudza generalization pasina data nyowani.