A cikin aiwatar da sauti, dolby din dolby AC3 da DTS suna da halayyar da suke buƙatar masu magana da yawa yayin sake kunnawa. Koyaya, saboda farashin da dalilai da sararin samaniya, wasu masu amfani, kamar su masu amfani da kwamfuta na multimedia, basu da isassun masu magana. A wannan lokacin, ana buƙatar fasaha wanda zai iya aiwatar da siginar da Multi-Channel Multi-Mouna da kuma wasa da su a cikin masu magana da sauti. Wannan fasaha ta kewaye da sauri. Sunan Ingilishi don sautin haɗin kai na ciki shine propulated kewaye, wanda kuma ake kira simulated kewaye. Mutane suna kiran wannan fasahar da ba ta dacewar fasahar da ba ta dace ba.

Tsarin sauti mara daidaituwa ya dogara ne akan Stereo bayanai biyu ba tare da ƙara tashoshi da masu magana ba. Ana sarrafa siginar sauti ta hanyar da'ira sannan kuma watsa shirye-shiryen, don mai sauraro na iya jin cewa sautin ya fito ne daga wasu hanyoyi da yawa kuma yana samar da filin siteo. Darajar kewaye da sauti na ƙimar fasaha na kama shi shine amfani da masu magana biyu don daidaita tasirin sauti. Kodayake ba za'a iya kwatanta shi da gidan wasan kwaikwayo na gida ba, sakamakon yana da kyau a cikin mafi kyawun sauraro. Rashin kyawun sa shine cewa gaba ɗaya bai dace da sauraro ba. Abubuwan buƙatu na sauti suna da yawa, don haka amfani da wannan fasaharta ta kewaye da taɓawa don belun kunne zaɓi ne.

A cikin 'yan shekarun nan, mutane sun fara nazarin amfani da mafi yawan tashoshi da kuma masu magana don ƙirƙirar sauti guda uku. Wannan tasirin sauti ba shi da gaske kamar yadda ya mamaye fasahar sauti kamar dolby. Koyaya, saboda farashinsa, wannan fasaha ana ƙara amfani dashi cikin wutar lantarki, teleisions, AUD AUDIA. Wannan fasaha ana kiranta fasaha mai launi kewaye. Tsarin sauti mara daidaituwa ya dogara ne akan Stereo bayanai biyu ba tare da ƙara tashoshi da masu magana ba. Ana sarrafa siginar sauti ta hanyar da'ira sannan kuma watsa shirye-shiryen, don mai sauraro na iya jin cewa sautin ya fito ne daga wasu hanyoyi da yawa kuma yana samar da filin siteo.

Maɓallin sauti kewaye da maɓallin don gano sautin dolby kewaye shi ne mai ɗaukar hoto. Ya ƙware a aikace-aikacen sarrafa sauti mai zurfi dangane da actiolics na ilimin jiki na zahiri da psychousticicticalctions, ƙirƙirar mafarki cewa ma sauti sauti ya fito daga baya ko zuwa gefen mai sauraro. Yawancin sakamako dangane da ka'idodin saurayin saurayin da ake amfani da su. Sakamako na Binabal. Rayukan ilimin kimiyyar Burtaniya ta gano ta hanyar gwaje-gwaje a cikin 1896 cewa kunnen mutane biyu da bambance-bambance na zamani don sauti na yanzu daga tushen sauti iri daya. Za a iya tantance jin daɗin sauraren ɗan adam dangane da wadannan kankanin bambanci na iya tantance hanyar da sauti a gaban, kuma ba zai iya magance matsayin sauti na sauti ba.

Tasirin Auricular. Aurion ɗan adam yana taka muhimmiyar rawa a cikin sanannun raƙuman sauti da kuma hanyar tushen sauti. Ta hanyar wannan tasirin, matsayin sauti na sauti uku za'a iya ƙaddara shi. Earfin mitar na kunne na kunnen mutum. Sautin sauti na sauti na kunnen mutum yana da alaƙa da mita sauti. Bass na 20-200 hz is located ta hanyar bambance-bambance na ci gaba, da tsakiyar kewayon 300-4000 Hz na ban sha'awa na sauti mai ban sha'awa, kuma an gano shi ta hanyar banbanci lokaci. Dangane da wannan ka'idar, bambance-bambance a yare da sautunan kiɗa ana iya bincika su, kuma ana iya amfani da su daban-daban don ƙara yawan kewaye. Aikin canja wuri na kai. Tsarin laditory na mutum yana haifar da tsokanar daban daban don sauti daga fuskoki daban-daban, kuma wannan yanayin bakan da ya shafi kai (HRT). Don taƙaita, yanayin yanayin kunnen ɗan adam ya haɗa da hanyoyi uku: a kwance, a tsaye, da gaba da baya.

A kwance saiti galibi dogara da kunnuwa, a tsaye sanya matsayi gonar dogara da harsashi na kunne a kunne, da kuma gaba da kuma rayyan filin da aka kewaye da shi. Dangane da waɗannan tasirin, Dolby ta haifar da cewa yanzu yakan haifar da jihar kalaman sauti iri ɗaya a matsayin ainihin tushen sauti a kundin mutum, ba da damar kwakwalwar mutum don samar da hotuna masu sauti a cikin jigon yanayi mai dacewa.