Kunzwisisa Bit Kudzika muOdhiyo

Chii chinonzi Bit Depth muAudio?

Kudzika kweBit, kunozivikanwawo sekudzika kwemuenzaniso kana kureba kwezwi, kunoreva huwandu hwemabhiti anoshandiswa kumiririra imwe neimwe sampuli yekuteerera mudhijitari redhiyo faira. Funga nezvayo sekugadzirisa kweodhiyo yako – sekugadziriswa kwemufananidzo kunotemesa kujeka kwekuona, kudzika zvishoma kunotemesa huwandu hwesimba uye kunaka kwedhijitari yako. Imwe neimwe bhiti inopa anosvika matanhatu ma decibel eiyo simba renji, saka 16-bit odhiyo inopa anenge makumi mapfumbamwe nematanhatu dB erenji, nepo 24-bit odhiyo inopa ingangoita 144 dB. Iyo bit kudzika inokanganisa zvakananga chiratidzo-kune-ruzha reshiyo uye kutendeka kwese kweako marekodhi. Kudzika kwakadzika kwepamusoro kunogona kutora misiyano isinganzwisisike muvhoriyamu uye toni, zvichikonzera kutsetseka, kwakadzama kudzika kwenzwi. Nekudaro, kudzika kwakadzika kwepamusoro kunorevawo saizi yakakura yefaira uye yakawedzera kugadzirisa zvinodiwa. Kunzwisisa kudzika kwakakosha kune chero munhu anoshanda nedhijitari odhiyo, ungave uri kurekodha, kugadzirisa, kana kungoyedza kuwana yakanakisa inonzwika mhando yemapurojekiti ako.

Zvakajairwa Audio Bit Zvakadzika Zvinotsanangurwa

Iwo anonyanya kusangana akadzika mudhijitari odhiyo ndeye 16-bit, 24-bit, uye 32-bit, imwe neimwe ichishanda zvakasiyana zvinangwa uye maapplication. 16-bit odhiyo ndiyo chiyero chemhando yeCD uye akawanda evatengi maodhiyo mafomati. Inopa huwandu hwakakwana hwekuchinja kune kwakawanda kwekuteerera uye inochengeta saizi yemafaira ichigoneka. Uku kudzika zvishoma kunogona kumiririra 65,536 akasiyana amplitude mazinga, ayo anodudzira kune yetioretical dynamic renji inosvika makumi mapfumbamwe nematanhatu dB. 24-bit odhiyo yave iyo nyanzvi chiyero chekurekodha uye kusanganisa. Iine anopfuura mamirioni gumi nematanhatu anogoneka amplitude mazinga, inopa yakanyanya kuwanda musoro uye ruzivo kupfuura 16-bit odhiyo. Uku kunyatsojeka uku kunonyanya kukosha panguva yekurekodha uye kugadzirisa maitiro, uko akawanda akaturikidzana ekugadzirisa anogona kuunganidza zvikanganiso zvekutenderera. 32-bit odhiyo, kazhinji mune inoyangarara-poindi fomati, inopa inenge isina muganho wemusoro uye inonyanya kushandiswa muhunyanzvi dhijitari odhiyo workstations yemukati kugadzirisa, kunyangwe isingawanzo kudiwa kune ekupedzisira kubuda mafomati.

• 16-bit: CD mhando, 96 dB ine simba renji, diki faira saizi
• 24-bit: Professional mwero, 144 dB inoshanduka renji, zvirinani kugadzirisa
• 32-bit float: Kunyanya kurongeka, unlimited headroom, nyanzvi yekugadzirisa

Kudzika Kwakadzika Kunobata Sei Audio Hunhu

Kubata kwehudzamu hudiki pamhando yeaudio kunowedzera kuoneka mundima dzakanyarara uye panguva yekuchinja kune simba. Kudzika kwakadzika kunogona kuunza quantization ruzha, iyo inonzwika seyakavanzika kana grittiness, kunyanya muzvikamu zvakanyarara zvemarekodhi. Uriri hweruzha uhu hwakanangana nehudzamu hudiki – imwe neimwe bhiti yekuwedzera inobudirira inodzika nepakati mwero weruzha. Mukuita, izvi zvinoreva kuti 24-bit zvinyorwa zvinogona kutora ruzha rwakapfava pasina iwo kuvharika neruzha rwedhijitari. Bit kudzika kunokanganisawo iko kurongeka kwedhijitari audio processing. Paunoshandisa mhedzisiro, gadzirisa mazinga, kana kuita chero dhijitari manipulation, maverengero anosanganisirwa anogona kukonzera kukosha kunowira pakati peanowanikwa quantization mazinga. Kudzika kwakadzika kwepamusoro kunopa kunyatsojeka kune aya epakati hunhu, kuderedza zvikanganiso zvekuwedzera izvo zvinogona kukanganisa mhando yeaudio kuburikidza neketani yekugadzira. Ndosaka mainjiniya edhiyo ehunyanzvi achiwanzo kurekodha uye kugadzirisa pa24-bit, kunyangwe iyo yekupedzisira yekuburitsa fomati ichange iri 16-bit.

Kusarudza iyo Yakarurama Bit Kudzika kune Zvaunoda

Kusarudza kudzika kwakakodzera kunoenderana neyako chaiyo yekushandisa kesi, zvipingaidzo zvekuchengetedza, uye mhando zvinodiwa. Zvekuteerera zvakajairika uye akawanda evatengi maapplication, 16-bit odhiyo inopa yakanakisa mhando uku ichichengetedza inonzwisisika faira saizi. Masevhisi ekutepfenyura, kudhawunirodha edhijitari, uye akawanda ekutamba masisitimu akagadziridzwa 16-bit odhiyo, zvichiita kuti ive sarudzo inoshanda yekugovera nekuteerera kwemazuva ese. Zvekurekodha, kugadzirisa, uye nehunyanzvi odhiyo basa, 24-bit inowanzokurudzirwa. Iyo yekuwedzera headroom inobvumira kune hukasha kugadzirisa pasina kuderedzwa kwemhando, uye yakaderera ruzha pasi inopa yakachena marekodhi ezvinyararire zvinyorwa. Paunenge uchishanda neakawanda akaturikidzana eodhiyo kana akaomarara ekugadzirisa cheni, kutanga ne24-bit sosi zvinhu zvinokupa iwe kushanduka-shanduka kuchengetedza mhando mukati mekugadzira maitiro. Funga nezvesimba rako rekuchengetedza, simba rekugadzirisa, uye chinangwa chekupedzisira chimiro paunenge uchiita iyi sarudzo.

• Kurekodha / Kugadzira: Shandisa 24-bit yekunyanya kuchinjika uye mhando
• Kugovera / Kuyerera: 16-bit yakajairika uye inokwana kune vazhinji vateereri
• Archival: 24-bit inochengetedza ruzivo rwakanyanya kuitira kushandiswa mune ramangwana

Bit Kudzika Shanduko uye Dithering

Paunenge uchishandura kubva kumusoro kuenda kuzasi zvishoma, nzira yakakodzera yakakosha kuchengetedza mhando yeaudio. Kungodzikisa mabhiti ekuwedzera kunogona kuunza kukanganisa kwakaomarara uye zvigadzirwa. Dithering inzira inowedzera shoma shoma yeruzha kuchiratidzo isati yadzika kudzika zvishoma, iyo inobatsira mask quantization kukanganisa uye inochengetedza yakaderera-nhanho ruzivo rwaizorasika. Kune akati wandei marudzi e dithering algorithms, imwe neimwe iine hunhu hwakasiyana. Triangular PDF dithering inowanzoshandiswa uye inopa chiyero chakanaka cheruzha masking uye nyore. Yakawedzera sophisticated algorithms senge ruzha kuumba inogona kusundira iyo yakawedzera ruzha muma frequency renji uko kunzwa kwevanhu kusinganyanyi kuterera, zvichiwedzera kuvandudza hunoonekwa kunaka kwekutendeuka. Yakawanda nyanzvi yekuteerera software inosanganisira yemhando yepamusoro dithering sarudzo, uye zvakakosha kuti uise dithering kamwe chete padanho rekupedzisira rekushandura kudzivirira kuunganidza ruzha rusina basa.

Mafaira Mafaira uye Bit Kudzika Kuenderana

Mafomati akasiyana ekuteerera faira anotsigira kwakasiyana kudzika, uye kunzwisisa izvi zvipimo kwakakosha pakuchengetedza mhando kuburikidza neako odhiyo mafambiro. Mafomati asina kudzvanywa senge WAV neAIFF anogona kubata 16-bit, 24-bit, uye 32-bit odhiyo pasina kurasikirwa kwemhando. Aya mafomati akanakira basa rehunyanzvi uko kuchengetedza zvese zvemhando kwakakosha. FLAC, iyo isingarasikike yekumanikidza fomati, inotsigira kusvika ku24-bit odhiyo uye inogona kuderedza zvakanyanya masaizi efaira uchichengetedza ruzivo rwese rwekuteerera. Mafomati ekumanikidza anorasika seMP3 neAAC anoshandisa nzira dzakasiyana dzinoita kuti kudzika dzisakoshese, sezvo vachishandisa coding yepfungwa inorasa ruzivo rwunonzi harunzwike. Nekudaro, kutanga nepamusoro bhiti kudzika sosi zvinhu zvinogona kuramba zvichikonzera zvirinani-kunzwika kudzvanywa mafaera, sezvo encoder iine ruzivo rwakawanda rwekushanda nayo panguva yekumanikidza. Paunenge uchishanda nemafomati akawanda, zvakakosha kuti uchengetedze hudzamu hwepamusoro hunoshanda kuburikidza nekugadzira kwako mafambiro uye kungozvideredza padanho rekupedzisira rekutumira.

• Uncompressed (WAV/AIFF): Tsigira zvese zvakajairika bit kudzika
• Yakarasika isina kudzvanywa (FLAC): Kusvika ku24-bit ine madiki faira saizi
• Kurasika kwakadzvanywa (MP3/AAC): Bit kudzika kushoma nekuda kwekunzwisisa coding