Nkagbu Acoustic Echo
Acoustic echo cancellation (AEC) bụ teknụzụ na-egbochi gị ịnụ ụda nke gị na-agbaghachi azụ n'oge oku.
Nchịkọta
It is the reason hands-free calls, smart speakers, and video meetings work without painful feedback loops.
Ime miri emi
Mgbe ị nọ na igwe okwu ma ọ bụ oku vidiyo, ụda na-apụta na igwe okwu gị ga-ebulite ya site na igwe okwu gị wee zighachi onye nke ọzọ, onye ahụ na-anụkwa onwe ya na-egbu oge. AEC na-edozi nke a site n'ịgwọ mgbaàmà dị anya (ihe ọkà okwu gị na-egwu) dị ka ntụaka ama ama. Ihe nzacha ihe nzacha na-eme ka ụda ahụ si aga n'ime ụlọ gaa na igweokwu gị, wee wepụ nkwughachi ahụ e buru n'amụma na ọdịyo ewepụtara. N'ihi na ọnụ ụlọ na-agbanwe ka ndị mmadụ na-aga ma ọ bụ na-emeghe ọnụ ụzọ, nzacha na-aga n'ihu na-atụle 'ụzọ echo' a ozugbo. Sistemu ọgbara ọhụrụ jikọtara ihe nzacha oge gboo na netwọkụ akwara na-ahụ maka mgbagha na-adịghị adị site na ndị na-ekwu okwu ọnụ ala ma na-ekwughachi nzacha linear na-efunahụ ya.
Nghọta nka nka
Classic AEC na-eji ihe nzacha mgbanwe, na-abụkarị Normalized Least Mean Squares (NLMS), nke na-eme atụmatụ nzaghachi mkpali nke ime ụlọ ahụ wee wepụ ihe nkwughachi agbakwunyere na mgbama igwe. Akụkụ siri ike bụ okwu abụọ (ma ndị mmadụ na-ekwu otu oge, nke nwere ike ịkwanye nzacha ahụ n'ụzọ na-ezighị ezi) na mgbagwoju anya na-ekwu okwu. AEC mmụta miri emi ugbu a na-emezi ihe fọdụrụnụ na netwọkụ akwara a zụrụ azụ iji gbochie nkwughachi furu efu mgbe ị na-echekwa okwu dị nso na njedebe, ọbụlagodi n'oge mkparịta ụka abụọ.
Mmetụta atụmatụ
Nweta na iru
Ọ na-eme ka nnweta ya dịkwuo mma site na ndegharị, ịkọ akụkọ, na ntụgharị olu.
Ọnụ ego na mmefu ego
Ndị otu mgbasa ozi nwere ike ibubata ọdịyo a na-egbu maramara ngwa ngwa site na iji obere mmefu ego.
Ọsọ na ọnụ ọgụgụ
Sistemụ na-eche ihu ndị ahịa nwere ike hazie mkparịta ụka n'ọtụtụ buru ibu.
Ọdịnihu nke nkagbu Acoustic Echo
AEC na-agbanwe site na nhazi mgbaama ejiri aka na-atụgharị gaa na ụdị neural nke ngwụcha ruo na njedebe nke na-ejikọta echo, mkpọtụ, na nkwughachi n'otu netwọkụ. mmụta miri emi na ngwaọrụ na-eme ka ntị ntị na laptọọpụ kagbuo echo na obere obere oge na ike. Ihe ịma aka ICASSP AEC nke Microsoft emelitela nke a ngwa ngwa, na-akwali ụdị ndị na-arụ ọrụ gafee ọnụego nlele na-adakọghị ọnụ yana ngwa ngwa na-egbuke egbuke. Na-atụ anya kagbuo ahaziri ahazi, ime ụlọ nke na-adaba ngwa ngwa ka ị na-agafe oghere.
Mmejuputa n'ezie n'ụwa
Ndị na-ekwu okwu smart dị ka Amazon Echo kagburu egwu egwu nke ha ka ha wee nụ 'Alexa' n'elu egwu ahụ.
Ngwa nzụkọ vidiyo (Zoom, Microsoft Otu, Google Meet) wepụrụ echo ọkà okwu ka ndị ọrụ laptọọpụ nwee ike ịga n'efu na-enweghị ekweisi.
Sistemu ịkpọ oku na-enweghị aka ụgbọ ala kagburu echo sitere na igwe okwu ụlọ nke igwe okwu dashboard welitere.
Igwe okwu na ngwaọrụ ọnụ ụlọ ogbako na-eji AEC ka onye na-akpọ oku n'ime ime ghara ịnụ olu nke ha na-egbu oge.
Ihe ize ndụ & okporo ụzọ nche
Iji olu eme ihe na ihe egwu mpụta ga-abawanye mgbe nkwenye na-efu.
Izi ezi nwere ike ịdaba n'ofe ụda olu, olumba ma ọ bụ gburugburu mkpọtụ.
Enwere ike imehie ọdịyo sịntetik dị ka ezigbo okwu na-enweghị akara doro anya.
Map mmejuputa
Nweta nkwenye doro anya maka ijide olu, imechi, na ijigharị.
Nwale ogo n'ofe ndị na-ekwu okwu dị iche iche yana ọnọdụ ndabere.
Kọwaa mgbe mmadụ ga-enyocha ma ọ bụ kwado nsonye.
Deba aha ọdịyo sịntetik ma debe ndekọ ihe ndekọ maka ịza ajụjụ.
Nọgide na-eme nchọpụta
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Ntuziaka na-esote
Nhazi Scene Acoustic
Ajụjụ a na-ajụkarị
What is Acoustic Echo Cancellation?
Acoustic echo cancellation (AEC) bụ teknụzụ na-egbochi gị ịnụ ụda nke gị na-agbaghachi azụ n'oge oku. Ọ bụ ya mere oku na-enweghị aka, ndị ọkà okwu smart, na nzukọ vidiyo na-arụ ọrụ na-enweghị loops nzaghachi na-egbu mgbu.
Kedu nsogbu kagbuo ụda olu na-edozi isi?
AEC na-ewepụ nkwughachi nke emepụtara mgbe igwe okwu gị weghaara ọdịyo sitere na ọkà okwu gị wee laghachikwuru onye ị na-agwa okwu.
Kedu akara 'ntụaka' ka sistemu AEC na-adabere na-ebu amụma nkwughachi?
AEC maara kpọmkwem ihe ọdịyo o zigara na ọkà okwu (mgbama dị anya), ya mere ọ na-eji nke ahụ dị ka ntụaka maka ihe nlereanya ma wepụ ihe nkwughachi na-esi na ya pụta.
Kedu ọnọdụ dị nhịahụ siri ike maka AEC ma nwee ike ime ka ihe nzacha na-agbanwe agbanwe mee omume ọjọọ?
N'oge a na-ekwu okwu ugboro abụọ, okwu dị nso nwere ike chegharịa dị ka nkwughachi, nke nwere ike imebi atụmatụ nzacha, ya mere a na-eji ihe nchọta mee ka mmegharị ahụ kwụsị.
Kedu ihe nzacha na-agbanwe agbanwe na AEC kpochapụwo n'ezie na-agbalị ịtụle?
Ihe nzacha na-egosipụta ka ụda si na-esi na ọkà okwu na-aga n'ime ụlọ gaa na igweokwu, ka ọ nwee ike ịmepụta ma wepụ ihe nkwughachi dabara adaba.
Kedu ihe kpatara eji agbakwunye netwọkụ akwara n'elu ihe nzacha AEC oge gboo?
Ndị na-ekwu okwu dị ọnụ ala na-agbagọ ụda na-anọghị n'ịntanetị, na ihe nzacha ahịrị na-ahapụ nkwughachi nke fọdụrụ; A zụrụ ihe nzacha akwara ozi ka ọ kwụsịlata ihe fọdụrụ ka ha na-ekwu okwu nso nso.