Mene ne Maɗaukaki Mai Raɗa?

Maɗaukakin Bayani mai Mahimmanci da Bayyanawa

A cikin sauti na dijital, akwai wasu ƙimar da aka saita domin kwatanta ƙuduri na bayanan sauti (samfurori) wanda za'a kama da adana a cikin fayil mai jiwuwa. Wannan alamar ana kira bit zurfin.

Hakazalika, don hotuna da fayilolin bidiyo, ana amfani da wannan ƙimar don amfani da ƙudurin hoto. Mafi girman zurfin zurfin (misali 16 bit zuwa 24 bit) mafi girman hoto zai kasance.

Wannan halayen daidai daidai ne don dijital na zamani kuma saboda haka karami zurfin jin dadi zai ba da cikakken rikodi mai kyau.

Ana iya rikitaccen zurfin bit tare da bit , amma sun bambanta. Yawan Rate (auna a Kbps ) shine samfurin bayanan bayan biyu lokacin da aka kunna sauti, kuma ba shine ƙuduri na kowane samfurori da ke nuna sautin murya ba. Duba Bit Ƙimar Bit Bit Rate don ƙarin bayani.

Lura: Ana yin la'akari da zurfin bit a matsayin lokutan samfurin, ƙuduri mai jiwuwa, ko kalma kalma.

Ƙarin Bayani game da Maɗaukaki Mai zurfi

Naúrar ma'auni don zurfin zurfi yana cikin lambobin binary (ragowa) da kuma kowane karuwar 1-bit, an daidaita daidaituwa. Wannan jigon bidiyo yana da mahimman lambar da ke ƙayyadad da kyau rikodi (wani ɓangaren kiɗa misali) sauti.

Idan zurfin zurfin ya yi ƙasa da ƙasa, rikodi ba zai zama daidai ba kuma yawancin sauti sauti zasu iya rasa. Don waƙoƙin da ke kunshe da ɗakunan kiɗa na kiɗanku , MP3s waɗanda aka sanya su daga tsarin PCM (yawanci WAV ) tare da zurfin zurfin zasu ƙunshi ƙananan fannoni iri iri idan aka kwatanta da waɗanda aka ƙulla daga fayilolin PCM na asali. low bit zurfin.

A ka'idar za su kasance mafi mahimmanci akan sake kunnawa. Kamar yadda aka bayyana a baya, zurfin bit yana da mahimmanci yayin da ake rubutu da jituwa a cikin waƙoƙi - yin amfani da zurfin zurfin zurfin iya haifar da halayen rashin daidaituwa.

Muhimmiyar bit yana da dacewa kawai lokacin da alama ta alama ce ta PCM, wanda shine dalilin da ya sa nauyin halayen murya ba su da zurfin zurfi.

Sauran Hanyoyin Sauƙi Mai zurfi yana tasiri darajar sauti

Tabbatar da fayilolin kiɗanku na yau da kullum bazai sha wahala daga clipping yana da muhimmanci, amma da ciwon zurfin zurfin abu mahimmanci ne kuma ya kamata a yi la'akari don rage adadin ƙarar murya.

Kowace rikodi yana da digiri na tsangwama na siginar (wanda ake kira murmushi) wanda za'a iya kiyaye shi ta ƙara idan yana amfani da zurfin zurfin zurfin. Hakan ya faru ne saboda tsayin daka (bambancin tsakanin murya da murmushi sauti) zai zama mafi girma fiye da murmushi, yana ba da bambanci don ci gaba da rikici a ƙananan.

Zurfin bit yana ƙayyade yadda ƙarar rikodi zai kasance. Don kowane karuwar 1, akwai kimanin 6 dB na ƙaramiyar ƙarfafa. Harshen kafofin watsa labarun mafi mashahuri a yau shine tsarin CD, wanda yayi amfani da zurfin zurfin 16, wanda yayi daidai da 96 dB na tasiri. Idan an yi amfani da DVD ko Blu-ray, darajar sauti ta fi girma saboda zurfin zurfin da aka yi amfani dashi shine 24, wanda ya bada 144 dB na tsayin daka.