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Ko te pane Nihokikorangi ehara i te mea he kaha te whakaheke haruru, engari kei a ia ano enei matauranga whakaheke haruru makariri, me ako nga kaiwhaiwhai i te timatanga!

He mea nui te mahi whakaheke haruru mo nga taringa.Ko tetahi ko te whakaiti i te haruru me te karo i te whakanui ake i te reo, kia iti ai te kino o nga taringa.Tuarua, tātari haruru hei whakapai ake i te kounga oro me te kounga waea.Ka wehewehea te whakaheke haruru ki te whakaheke haruru hohe me te whakaheke haruru haruru.

Te whakaheke haruru i runga i nga maataapono a-tinana: ka whakamahia nga taringa ki te whakawhānui me te takai i te taringa katoa mo te whakaheke haruru haruru.He nui nga whakaritenga mo nga rawa, he ngoikore te uruhanga o te hau me te kore e ngawari ki te maroke i muri i te werawera.Ko te momo i roto i te taringa ka "whakauruhia" ki roto i te awa o te taringa hei hiri i te awa o te taringa hei whakaiti i te haruru.Kaore e pai ki te kakahu mo te wa roa, ko te pehanga o roto me waho o te awa o te taringa kaore i te rite, me te wa e mau ana kia kaua e roa rawa, ka pa ki te whakarongo.

Ka taea te whakaheke haruru kaha ma te tātari i te maramara o te pane.Ko te raupapa whakaheke haruru ko:
1. Tuatahi, ko te hopuoro tohu kua whakanohoia ki roto i te taringa ka kitea te ngangau iti (100 ~ 1000Hz) i roto i te taiao e rongohia ana e te taringa (tae atu ki te 3000hz i tenei wa).
2. Na ka tukuna te tohu haruru ki te ara iahiko whakahaere, e mahi ana i nga mahi o te waa.
3. Ko te haona hi fi ka tuku ngaru oro me te wahanga rereke me te kaha kaha ki te haruru hei whakakore i te haruru.
4. Na ka ngaro te haruru, kare e rangona.

Kua wehea te whakaheke haruru kaha ki te ANC, ENC, CVC me DSP, no reira me tātarihia te tikanga o enei reo Ingarihi.

Ko te kaupapa mahi a te ANC: (te mana haruru kaha) ko te hopuoro ka kohia e te hopuoro te haruru ambient o waho, katahi ka huri te punaha ki te ngaru oro hurihuri ka taapiri atu ki te pito haona.Ka mutu, ko te oro ka rangona e nga taringa o te tangata: haruru ambient + haruru ambient inverted.Ko nga momo haruru e rua kua whakakikoruatia hei whakaiti i te haruru o te rongo, ko te tangata whai hua ko ia ano.Ka taea te wehewehea te whakaheke haruru hohe ki te whakaheke haruru hohenga whangai whakamua me te whakahoki korero whakaheke haruru hohe e ai ki te waahi o te hopuoro hopuoro.

Enc: (te whakakore haruru taiao) ka taea te pehi i te 90% o te haruru o te taiao whakamuri, kia iti ake te haruru o te taiao ki te neke atu i te 35dB, kia pai ake ai te korero a nga kaitakaro keemu.Na roto i te huinga hopuoro rua, tatauhia te ahunga korero a te kaikorero, me te tango i nga momo haruru pokanoa katoa i te taiao i te wa e tiaki ana i te reo whainga i te huarahi matua.

CVC: (marama te hopu reo) Ko te hangarau whakaiti haruru o te pūmanawa waea.Ko te nuinga mo te paoro i hangaia i te wa o te waea.Na roto i te pumanawa hopuoro taarua katoa e whakakore ana, e whakarato ana i te mahi whakakore haruru me te haruru ambient o te waea.Koinei te hangarau whakaheke haruru tino matatau i roto i te pane waea Nihokikorangi i naianei.

DSP: (tukatuka tohu mamati) ko te nuinga o te aro ki te haruru auau teitei me te iti.Ko te kaupapa mahi ka kohia e te hopuoro te haruru o te taiao o waho, katahi ka kape te punaha i te ngaru oro whakamuri e rite ana ki te haruru o te taiao o waho hei whakakore i te haruru, kia pai ake ai te haruru o te haruru.Ko te kaupapa o te whakaheke haruru DSP he rite ki te whakaheke haruru ANC.Heoi, ko te haruru whakamua me te haruru whakamuri o te whakaheke haruru DSP ka tino whakahekehia, ka whakatiki tetahi ki tetahi i roto i te punaha.
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Panui mana pupuri: Ko tenei tuhinga te tuhinga taketake a CSDN blogger "momo1996_233", e whai ana i te whakaaetanga mana pupuri CC 4.0 by-sa.Mo te whakaputa ano, whakapirihia te hononga puna taketake me tenei panui.
Hononga taketake: https://blog.csdn.net/momo1996_233/article/details/108659040


Wā tuku: Maehe-19-2022