Kusintha WAV kuti Text

Studio zikondwerero, nyanja zolemba, okalamba dictaphone owona - kugwa WAV, kusintha malemba, kutumiza kunja.

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Field recordersStudio sessions24-bit / 96 kHzDictaphones

WAV ndi kukula vuto, si vuto la katundu

WAV ndi PCM yosasinthika, ndipo ndicho chinthu chokhacho choyenera kuganizira: CD-quality stereo imagwira pafupifupi 10 MB pa mphindi, choncho 100 MB yosadziwika imakwanira pafupifupi mphindi 9-10 za stereo (zokwana 19 mono) — mudzafika pa malire a kukula nthawi yaitali pambuyo pa 30-mphindi.

WAV ndi imodzi mwama formats amene kusinthidwa kwapita patsogolo kumapangitsa kuti kutsitsa kwa nyimbo kukhale kothandiza. Modelyi imamvetsera pa 16 kHz mono, choncho lamulo monga "ffmpeg -i in.wav -ar 16000 -ac 1 out.flac" limachepetsa fayiloyi pafupifupi 10% pokhala yopanda kuwonongeka kwa mawu — transcript imatuluka yofanana.

Kuchokera ku studio ndi malo olemba kulemba

Zonse zomwe WAV workflow imapanga decodes pano: 16- kapena 24-bit, 44.1 mpaka 192 kHz, kufalitsa WAV kuchokera ku malo olemba, ndi ADPCM kapena µ-lamulo la mitundu yakale ya dictaphones ndi mafoni olemba.

Kusintha kwa nthawi yolemba nthawi zonse kumayamba pa zero: nthawi yolemba BWF imalepheredwa. Ngati WAV ili ndi kanema wosinthira, yambitsani SRT kapena VTT pano ndipo mugwiritse ntchito kusinthidwa kwa wosinthira wanu pamene mukuyiyika.

Mafunso ofunsidwa nthawi zambiri

Kodi uncompressed WAV transcribe bwino kuposa kusindikizidwa kopita?

Kudalirika kumasankhidwa ndi kujambula kokha - kuwala kwa mic, kuyimba, kulumikizana - nthawi yayitali pambuyo pa codec, ndipo model downsamples zonse ku 16 kHz mono anyway. Upload the WAV ngati ndicho chomwe muli nacho, koma musatenge mbale yopanda kuwonongeka poyembekezera transcript yabwino.

WAV wanga amafika 100 MB malire pambuyo 30 mphindi - chifukwa chiyani?

Uncompressed maphunziro: CD-quality stereo ndi za 10 MB pa mphindi, kotero 100 MB ali ndi 9-10 mphindi. Njira zitatu: ufulu akaunti amawonjezera cap kwa 500 MB, downmixing kwa mono amadula kukula, kapena kusintha kwa FLAC pa 16 kHz mono - pafupifupi 1 MB pa mphindi ndi losslessly ofanana ndi maganizo a model.

Kodi 24-bit ndi 96 kHz studio WAVs anathandiza?

Yes — zonse bit m'lifupi ndi sampling rate FFmpeg amawerenga: 16/24/32-bit, 8 kuti 192 kHz. Iwo ndi resampled mwamsanga, choncho zowonjezera resolution si ntchito kapena kupweteka transcript; izo kungopanga kutsitsa lalikulu. Bounce 16-bit/44.1 kHz kapena mono kafukufuku ngati kukula ndi m'mphepete mwa mtsinje.

Kodi ndi stereo ndi multi-channel WAVs anachita?

Zigawo zimalowetsedwa ku mono pambuyo pa kulemba. Izi ndi zabwino pamene chilichonse chigawo chimagwiranso ntchito pamalo ofanana - koma ngati wolemba wanu akhazikitsa anthu osiyanasiyana pazinthu zosiyana (lav kumanzere, boom kumanzere), chotsani zigawozo ndikulemba mafayilo osiyana; mudzapeza mawu oyera pa munthu kuposa downmix iliyonse.

Kodi kufalitsa WAV (BWF) timecode kunyamula mu transcript?

Sichoncho — BWF timecode ndi cue markers amaganiziridwa, ndipo transcript's timestamps amayamba pa 0:00 kuchokera pamwamba pa fayilo. Ngati kujambula kwa kanema kuli ndi kusintha kwa video, chotsani SRT kapena VTT pano ndipo mulole pulogalamu yanu yokonza kuti igwiritse ntchito kusinthika pa kutumiza.

Ma WAVs oyambirira a dictionary ndi mafoni (ADPCM, µ-lamulo) - akuthandizidwa?

Ndiko. FFmpeg imachotsa machitidwe a WAV omwe amagwiritsidwa ntchito kale - ADPCM, µ-law/A-law, GSM - omwe amagwiritsa ntchito zida zolemba mawu ndi mafoni. Muyenera kuyembekezera zoipa zambiri kuposa zolemba zamakono: machitidwewa ndi 8 kHz narrowband, kotero mawu ndi ma passages osakwiya amafunika kupita m'mu Editor. Komabe, zimathandiza kwambiri kuposa kulembanso tape.