I roto i te pūnaha oro, he tino āwangawanga te wera o te pūorooro mō ngā kaiwhakamahi orooro, ahakoa kei roto i te KTV, i te pā me te wāhi whakangahau rānei. Ko te whakaaro whānui ko te mea mēnā ka nui rawa te oro o te whakakaha hiko, ka ngāwari te wera o te pūorooro. Inaa, he maha ngā take e wera ai te pūorooro.
1. Whirihoranga koretake ongā kaikōreromengā whakakaha hiko
He maha ngā hoa e purei ana i ngā oro ka whakaaro he nui rawa te mana whakaputa o te whakakaha mana, ā, koinei te take o te pakaru o te tweeter. Kāore rawa. I ngā wā mahi, ka taea e te kaikorero te tu atu ki ngā ru nui e rua te mana whakatauranga, ā, ka taea te tu atu ki te toru ngā wā tonu. Ka rua ngā ru teitei o te mana whakatauranga, kāore he raruraru. Nō reira, he tino onge te wera o te tweeter i te mana teitei o te whakakaha mana, ehara i te mea nā te pānga kaha ohorere, nā te tangi roa rānei o te hopuoro.
Ina kore te tohu e whakapōturitia, ka taka te kaha o te tohu wā poto kua taumaha rawa ki runga i te woofer me te kaha nui ake, kāore e nui ake i te kaha wā poto o te kaikorero. I te nuinga o te wā, kāore e puta he rerekētanga o te tohatoha mana o te kaikorero, e kino ai hoki te waeine kaikorero. Nō reira, i raro i ngā tikanga whakamahinga noa, me 1--2 ngā wā o te kaha kua whakatauria o te whakakaha mana i te kaha kua whakatauria o te kaikorero, kia kore ai e whakapōturitia te whakakaha mana ina whakamahia te mana o te kaikorero.
2. Te whakamahinga hē o te wehewehenga auau
Ko te whakamahinga hē o te pūwāhi wehewehe auau o te pūwāhi whakauru ina whakamahia te wehewehe auau o waho, te whānuitanga auau mahi koretake rānei o te kaikorero he take anō hoki o te kino o te tweeter. Ina whakamahia he wehewehe auau, me whiriwhiri te pūwāhi wehewehe auau kia rite ki te whānuitanga auau mahi o te kaikorero i whakaratohia e te kaihanga. Mēnā he iti te pūwāhi whakawhiti o te tweeter, ā, he taumaha rawa te kawenga mana, ka ngāwari te tahu i te tweeter.
3. Te whakatikatika hē o te pūwhakaōrite
He mea nui anō hoki te whakarerekētanga o te pūwhakaōrite. Kua whakaritea te pūwhakaōrite auau hei whakatika i ngā hapa o te papa oro o roto me ngā auau kore taurite o ngā kaikorero, ā, me whakatika mā te whakamahi i tētahi tātaritanga whānuitanga, i ētahi atu taputapu rānei. Me papatahi ngā āhuatanga auau tuku i muri i te whakatika i te oro i roto i tētahi whānuitanga. He maha ngā kaiwhakatikatika kāore i te mōhio ki te oro e whakahaere ana i ngā whakarerekētanga i a rātou e hiahia ana, ā, he tokomaha ngā tāngata e whakaara ake ana i ngā wāhanga auau teitei me ngā wāhanga auau iti o te pūwhakaōrite kia teitei rawa, ka hanga he āhua "V". Mena ka whakanuia ēnei auau neke atu i te 10dB ki te whakataurite ki te auau waenga (ko te nui o te whakarerekētanga o te pūwhakaōrite he 12dB te nuinga), ehara i te mea ko te whakapōturitanga o te wāhanga i puta mai i te pūwhakaōrite ka tino whakakoi i te oro o te puoro, engari ka ngāwari hoki te tahu i te waeine toru o te oro, ko tēnei momo āhuatanga anō hoki te tino take o te tahu o ngā kaikorero.
- Te whakatikatika oro
He maha ngā kaiwhakamahi e whakatakoto ana i te whakaitiiti o te whakakaha hiko muri-wāhanga ki te -6dB, -10dB, arā, 70%--80% o te porotiti oro, tae noa ki te tūranga noa, ā, ka whakanuia te whakaurunga o te atamira o mua kia eke ki te oro e tika ana. E whakaarohia ana he haumaru te kaikorero mēnā he tawhiti kei roto i te whakakaha hiko. Inaa, he hē anō hoki tēnei. Ka whakaitihia te tohu whakauru e te porotiti whakaitiiti o te whakakaha hiko. Mēnā ka whakaitihia te whakaurunga o te whakakaha hiko mā te 6dB, ko te tikanga kia mau tonu te oro, me whakaputa te atamira o mua kia 6dB ake, me takirua te ngaohiko, ā, ka tapahia te ruma upoko hihiri o runga o te whakaurunga kia haurua. I tēnei wā, mēnā he tohu nui ohorere, ka nui rawa te putanga mā te 6dB i te wā tuatahi, ā, ka puta he ngaru kua tapahia. Ahakoa kāore i te nui rawa te whakakaha hiko, he ngaru tapahi te whakaurunga, he taumaha rawa te wāhanga toru, ehara i te mea ko te toru anake ka hē, engari ka wera pea te tweeter.
Ina whakamahia te hopuoro, mēnā he tata rawa te hopuoro ki te kaikorero, ki te anga atu rānei ki te kaikorero, ā, he nui te kaha o te whakakā o te whakakaha hiko, he ngāwari te whakaputa urupare oro auau-teitei, ā, ka puta he aue, ka mura ai te tweeter. Nā te mea ko te nuinga o ngā tohu waenga-awhe me te tere-toru ka tukuna mai i te waeine tere-toru i muri i te haerenga mā te wehewehe auau, ka haere katoa tēnei tohu kaha-teitei mā te waeine tere-toru me te koiri angiangi rawa, ka puta he iahiko tere-whakaoho, ka puta he pāmahana teitei tere-whakaoho, ā, ka pupuhi te waea koiri reo, ka pakaru te tweeter i muri i te tangi "woo".
Ko te huarahi tika ko te whakamahi i te hopuoro kaua e tata ki te waeine kaikorero, e anga atu ana rānei, ā, me whakanui haere te kaha o te whakakaha hiko mai i te iti ki te rahi.pūorooroka pakaru mēnā he nui rawa te oro, engari ko te tūponotanga nui ake ko te kore e ranea te mana o te whakakaha hiko, ā, ka tahuri kaha te kaikorero, nō reira ehara te putanga o te whakakaha hiko i te ngaru sine noa, engari he tohu me ētahi atu wāhanga raruraru, ka tahuna te kaikorero.
Wā tuku: Whiringa-ā-rangi 14-2022