AAC vs. MP3: Ɗaramar Sakamakon Fitarwa ta Ilunes

Wanne layi ya fi dacewa ga masu sauraro?

Yawancin masu sauraro-mutanen da suke da karfin jin dadi kuma suna da daraja a kan mafi yawan halayen sauti-yawancin abin ƙi ga MP3 da wasu nau'ikan tallace-tallace na zamani don samfuran suna amfani da matsawa wanda ke cire bayanin daga fayilolin dijital don adana sararin samaniya. Gaskiya ne cewa waɗannan samfura suna share bayanin, amma mafi yawan masu sauraron saurarar baya iya jin asarar. A matsayina mai sauraro da mabukaci na kiɗa, Na gudanar da gwajin don tantance idan wani tsari ya fitar da ɗayan a cikin sauti mai kyau.

Ana yarda da cewa fayilolin AAC -tsarin da aka fi so da iTunes da kuma iTunes Store-sauti mafi kyau kuma suna ɗaukar ƙasa da ƙasa fiye da MP3 na wannan waƙa. Na sanya ka'idar ta gwada gwaji don taimaka maka ka yanke shawarar wane tsarin fayil don amfani da waƙa a cikin ɗakin karatu na iTunes da kuma a kan iPhone da iPod.

Don gudanar da wannan fassarar fayil mai rikodin , Na ƙaddamar da waƙoƙi biyu a hanyoyi daban-daban: kamar fayilolin 128 Kbps AAC da fayilolin MP3 , kamar 192 Kbps AAC da fayilolin MP3, kuma kamar fayilolin 256 Kbps AAC da fayilolin MP3. Mafi girman lambar Kbps, mafi girman fayil, amma mafi kyau ingancin-akalla a cikin ka'idar. Ga dukkan fayilolin, na yi amfani da codeod gina cikin iTunes.

Tambayoyi Masarrafan

Domin gwajin na, na zabi waƙoƙi guda biyu: murmushi, mai laushi "Wild Sage," by The Mountain Goats, da kuma murya, murfin "Covering a Jet Plane," by Me First da Gimme Gimmes.

"Sage daji" yana cike da pianos maɗaukaki da tsummacciyar guitar, wanda ya fi girma, yana raira waƙa.

Na zabi shi domin ina fatan cewa waɗannan ɓangarori masu mahimmanci zasu bayyana cikakken bayani a cikin nau'ukan daban-daban na fayil din.

"Fitawa a Jirgin Jet," a gefe guda, yana da sauri, mai ƙarfi, bass nauyi, kuma cike da ƙananan sassan sassa. Wannan waƙa za ta nuna alamar dadi sosai kuma ya bayyana wasu abubuwan da ya fi dacewa da "Sage Sabo" ba zai.

Na yi amfani da kwafin CD ɗin na duka waƙoƙi - watakila mafi kyawun samfuran da ke samuwa a gare ni-a matsayin tushen.

Ga abin da na samu:

256 Kbps

• Sage daji: Dukkanin waƙoƙin suna da kyau a 256 Kbps. Zan iya jin muryar motsawar igiya na guitar da kuma numfashi na murya ba tare da hargitsi ba ko'ina. Siffofin MP3 da AAC suna kusan kusan. Babu kyauta mai nasara a nan. MP3 version shine 1.2MB karami, ko da yake.
• Fitowa a Jirgin Jet: Hakanan halin da ake ciki a nan. Waƙar ya yi sauti mai girma. Kalmomin yana bayyane tare da maɗaukaki da maɗaukaki da maɗaukakiyar haske, amma ba sauti da bambanci.

192 Kbps

• Wild Sage: Wannan sauti yana jin dadi idan aka kwatanta da 256 Kbps version. Duk da haka, babu sauran bambanci tsakanin AAC da MP3. MP3 yana kusan 1MB karami.
• Fitowa a Jirgin Jet: Abubuwan da aka tsara suna da gaskiya. Ba mai kyau kamar 256 Kbps ba amma kama tsakanin fayilolin fayil guda biyu .

128 Kbps

• Sage Sabo: A ƙarshe wani bambanci. A cikin wannan sigar, fasalin AAC ya fi haske da haske fiye da MP3, wanda ke fama da ƙananan laka da kuma raɗaɗa wasu sauti. Yawancin fayiloli na kusan daidai daidai, yin AAC version mai nasara a nan.
• Fitowa a Jirgin Jet: A nan AAC yana da kyan gani a tsabta. In ba haka ba, waƙoƙin suna sauti daidai kuma suna daidai daidai.

Kammalawa

Ko da yake akwai, babu shakka, bambance-bambance a cikin raƙuman motsi na fayiloli guda uku, suna sauti daidai. Kodayake akwai ƙarin bayanai a cikin 256 Kbps MP3, yana da wuya ga kunne wanda ba a kunne ba don ganewa, kuma fayiloli sun fi girma fiye da ko dai sauran sigar. Abinda za ku iya jin wani bambanci shine a cikin ƙananan ƙa'idodin 128 Kbps, amma ban bayar da shawarar ga waɗannan ba.

Saboda haka, aka ba da waɗannan gwajin, yana da alama cewa muhawarar tsakanin AAC da MP3 na iya saukowa ga wani dandano, ra'ayi ko samun kunnuwan kunnuwana fiye da na.

Siffar fayil ta hanyar Sikodin Nau'in / Rate