Biyu daga cikin muhimman abubuwan da muke da muhimmanci shi ne iyawar gani da ji. Tare da kunnuwanmu, zamu iya gane sauti mai sauti daga mafi saurin murmushi zuwa ƙarar murya mai ƙarfi.
Yadda Muke Ji
Duk da haka, ban da ikon sauraronmu, shine hanyar da muke ji.
Sauti (watau magunguna wanda ke motsawa ta cikin iska, ruwa, ko wani matsakaici mai jituwa) ya kai matsanancin ɓangaren kunnuwanmu, wanda zai sa shi ta hanyar kunnen kunne zuwa ga eardrum.
Abin da ke ƙaddamar da muryar sauti
Muryar ƙararrawa tana ƙaddara ta ɗumbun abubuwa, wanda ya ƙunshi haɗuwa da yawan iska wanda ya kai kunne daga wanda ya fara sauti, da kuma nesa da kunnuwan mu daga asalin sautin.
Matakan Decibel
Don fassara tsarin karɓar sauti, an samo sikelin, wanda aka sani da decibels, an halicce shi.
Ganin kunnuwanmu yana iya canza canji a cikin hanyar da ba a layi ba. A decibel ne sikelin logarithmic ƙarfi. Bambanci na 1 decibel ana iya gani a matsayin mafi sauƙi a jujjuya, 3 decibels shine canjin canji, kuma masu saurare 10 suna tsinkaye a matsayin ƙaramin ƙara. Decibels an sanya su ta haruffa: dB.
0 dB shine ƙofar ji - Sauran misalai sun haɗa da:
- Whisper: 15-25 dB
- Ƙarar murya: game da 35 dB
- Gida na al'ada ko ofishin bayanan: 40-60 dB
- Muryar magana ta al'ada: 65-70 dB
- Orchestral jimla: 105 dB
- Live Rock music: 120 dB +
- Ciwo mai zafi: 130 dB
- Jet jirgin sama: 140-180 dB
Yadda ake amfani da sikelin Decibel
Ana amfani da sikelin decibel zuwa gidan gidan wasan kwaikwayon na gida kamar haka:
Don masu ƙarfafawa, decibels suna nuna yadda zafin ƙarfin da yake da shi don samar da wani ƙayyadaddun sauti. Duk da haka, akwai abu mai ban sha'awa don nunawa.
Don daya amplifier ko karɓa don zama sau biyu ƙarfi kamar yadda wani, kana bukatar sau 10 mafi watsi fitarwa. Mai karɓa tare da 100 WPC yana iya sau biyu nauyin ƙarar ƙarancin WPC 10. Mai karɓa tare da 100 WPC yana buƙatar zama 1,000 WPC don zama sau biyu. Don ƙarin cikakkun bayanai game da yadda tasirin ƙarfi ya shafi aikin, karanta labarin: Fahimtar Ƙayyadaddun Ma'aikata .
A cikin aikace-aikace mafi mahimmanci, ana amfani da decibels dangane da damar ƙarfin sauti na lasifikoki da subwoofers a ƙananan ƙananan, a wasu ƙananan matakan girma. Alal misali, mai magana yana da iko don fitar da iyakar mita 20 Hz zuwa 20kHz, amma a ƙananan ƙananan ƙasa fiye da 80 Hz, matakin ƙaddamar sauti na iya zama - 3dB žasa cikin sharuddan ƙarar fitarwa. Wannan saboda saboda ana buƙatar fitattun wutar lantarki a ƙananan ƙananan don samar da matakin ƙimar.
Har ila yau, ana amfani da sikelin dB a matsayin ƙarfin ƙwararren sauti na wani mai magana a yayin da yake ciyar da sauti wanda watsi daya watt ya ɗauka.
Alal misali, mai magana da zai iya samar da 90 dB ko mafi girma daga fitarwa a sauti yayin ciyar da siginar alamar watau watau watau watau watau watau watau watau watau watau watau watau watau watau watau watau daya.
Duk da haka, kawai saboda mai magana yana da kwarewa mai kyau bai ƙayyade ta atomatik idan yana da mai magana "mai kyau" ba. Mai magana da yake buƙatar karin ƙarfi don samar da sauti kawai ya nuna yawan ikon da ake buƙata don mai magana ya samar da sauti mai ji. Wasu dalilai, ciki har da amsawa ta mita, raguwa, sarrafawa da wutar lantarki, da kuma yin magana da masu magana, mahimmanci ne.
Bugu da ƙari, don masu gabatar da bidiyon, ana amfani da sikelin decibel a ma'auni yadda yawan sauti ke samarwa ta fan zane. Alal misali, idan mai bidiyon bidiyo yana da girman buri na 20dB ko žasa, anyi la'akari da shi sosai. Sai dai idan kuna zaune kusa, kada ku iya jin fan - kuma idan kun yi, kada ya zama distracting.decibels
Yadda za a auna Decibels
Yanzu cewa kuna da wani ra'ayi game da abin da decibels suke da kuma yadda suka keɓawa cikin kida da gidan gidan wasan kwaikwayon sauraron sauraro, tambayar ita ce "Yaya zaku iya auna su?".
Ga masu amfani, ana iya auna hanyar decibels guda ɗaya ta yin amfani da mita mai sauti mai sauti (kamar abin da aka nuna a hoto na sama da aka haɗe zuwa wannan labarin.
Tun da yawancin masu karɓar wasan kwaikwayon na gidan rediyo sunyi amfani da sauti na gwajin gwagwarmaya, zaka iya yin amfani da sautunan don sanin matakin matakin decibel na kowane mai magana a matakin saiti. Da zarar ka ƙayyade matakin ƙaddamar da matakin kowane mai magana, za ka iya daidaita matakan ƙaramin mai magana naka don kowane tsarin mai magana ya dace. Lokacin da duk masu magana da ku suka yi rajistar matakin matakin decibel a matakin ƙimar da aka ba, to, za a daidaita kwarewar sauraron sauraron ku.
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Ƙarin Bayani
Dole ne a nuna cewa decibels ne kawai ma'auni na yadda ake yin sauti kuma an sake shi a cikin nishaɗi na gida. Don cikakkun hangen nesa da fasaha game da decibels da kuma sauti mai kyau a cikin gidan gidan wasan kwaikwayon, bincika labarin: Decibel (dB) Scale & Audio Rules 101 (Audioholics).
Bugu da ƙari, gano yadda ake amfani da decibels a auna girman ƙarfin sakon Wifi .