Isophones, i.e. boye ma'anar gyara
Launuka na isophonic halaye ne na ji na ji na ɗan adam, yana nuna wane matakin matsa lamba (a cikin decibels) ya wajaba a gare mu mu fahimci sauti iri ɗaya (an bayyana a cikin phons) a cikin kewayon duka (a kowane mitar).
Mun riga mun bayyana sau da yawa (hakika, ba kowane lokaci ba) cewa lanƙwan isophonic guda ɗaya har yanzu yana da tushe mai rauni don ƙayyadaddun sifofin sarrafa lasifika ko duk wata na'ura mai jiwuwa ko tsarin gaba ɗaya. A cikin yanayi, muna kuma jin sautuna ta hanyar "prism" na masu lanƙwasa isophonic kuma babu wanda ya gabatar da wani gyara tsakanin mawaƙa ko kayan aiki da ke kunna "rayuwa" da jin mu. Muna yin wannan tare da duk sautunan da aka ji a yanayi, kuma wannan dabi'a ce (kazalika cewa iyakar jin mu ya rage).
Duk da haka, dole ne a yi la'akari da ƙarin rikitarwa - akwai fiye da ɗaya isophonic kwana, kuma ba mu magana game da bambance-bambance tsakanin mutane. Ga kowane ɗayanmu, lanƙwan isophonic ba ta dawwama ba, yana canzawa tare da canji a cikin matakin ƙarar: mafi shuruwar da muke saurara, mafi ƙarancin gefuna na band (musamman ƙananan mitoci) suna bayyane akan lanƙwasa, sabili da haka sau da yawa muna saurara. zuwa kida a gida ya fi shuru fiye da kidan raye-raye (musamman da maraice).
Matsakaicin ƙarar ƙara daidai yake daidai da ƙa'idodin ISO 226-2003 na yanzu. Kowannensu yana nuna adadin sautin da ake buƙata a mitar da aka bayar don ba da ra'ayi na wani ƙara; an ɗauka cewa matsi na X dB a mitar 1 kHz yana nufin ƙarar wayoyin X. Misali, don ƙarar wayoyi 60, kuna buƙatar matsa lamba na 1 dB a 60 kHz, kuma a 100 Hz.
- riga 79 dB, kuma a 10 kHz - 74 dB. Yiwuwar gyara halayen canja wurin na'urorin lantarki an tabbatar da su.
saboda bambance-bambancen da ke tsakanin waɗannan masu lanƙwasa, musamman a yankin ƙananan mitoci.
Duk da haka, girman wannan gyaran ba za a iya ƙayyade daidai ba, saboda muna sauraron kiɗan daban-daban ko dai ya fi shuru, ko kuma mafi girma, kuma nau'in nau'in isophonic ɗinmu daban-daban ma daban-daban ... Samuwar halayen, har ma a cikin wannan shugabanci, ya riga ya sami goyon baya a cikin ka'idar. Duk da haka, tare da wannan nasarar za a iya ɗauka cewa a cikin yanayi mai kyau, a gida, muna kuma saurare da babbar murya, kamar dai "rayuwa" (ko da mawaƙa - ma'anar ba shine ƙarfin da ƙungiyar makada ke takawa ba, amma yadda muke ji yayin da muke ji da ƙarfi. zaune zuwa zauren kide-kide) a wurin, amma duk da haka ba mu yi mamaki ba). Wannan yana nufin cewa ana la'akari da halayen layi mafi kyau (babu wani bambanci tsakanin raƙuman isophonic don "rayuwa" da sauraron gida, don haka gyara bai dace ba). Tun da muna sauraron sau ɗaya da ƙarfi, kuma wani lokacin a hankali, don haka canzawa tsakanin maɓallan isophonic daban-daban, da halaye na sarrafa lasifikar - madaidaiciya, gyara ko duk abin da - an saita "sau ɗaya da duka", sabili da haka, muna jin masu magana iri ɗaya akai-akai. daban, dangane da matakin ƙara.
Yawancin lokaci ba mu san abubuwan da ke cikin jin mu ba, don haka muna danganta waɗannan canje-canje zuwa ... sha'awar masu magana da tsarin. Ina jin sake dubawa har ma daga gogaggun audiophiles waɗanda ke korafin cewa masu magana da sauti suna da kyau lokacin da suke wasa da ƙarfi, amma lokacin da aka saurare su cikin nutsuwa, musamman a hankali sosai, bass da treble suna rage rashin daidaituwa ... Don haka suna tsammanin wannan rashi ne. na rashin aiki na masu magana da kansu a cikin waɗannan jeri. Har ila yau, ba su canza halayensu ba - jin mu ya "dutse". Idan muka sa masu lasifika don sauti na halitta lokacin da muke sauraro a hankali, sannan idan muna saurare da ƙarfi, muna jin bass da treble da yawa. Sabili da haka, masu zanen kaya suna zaɓar nau'ikan halaye daban-daban na "matsakaici", yawanci kawai suna jaddada gefuna na tsiri.
A ka'ida, mafi madaidaicin bayani shine aiwatar da gyara a matakin lantarki, inda zaku iya daidaita zurfin gyarawa zuwa matakin (haka ne yadda sautin gargajiya ke aiki), amma audiophiles sun ƙi duk irin waɗannan gyare-gyare, suna buƙatar cikakken tsaka tsaki da dabi'a. . A halin yanzu, za su iya yin hidima ga wannan dabi'a, don haka yanzu dole ne su damu da dalilin da yasa tsarin yayi sauti wani lokaci mai kyau kuma wani lokacin ba haka ba ...
