Frequency response ndiyo chiyero chehuwandu hwehuwandu hwekubuda kwehurongwa kana mudziyo mukupindura kurudziro uye unoshandiswa kuratidza mafambisirwo ehurongwa. Icho chiyero chehukuru uye chikamu chekubuda sebasa re maitikiro, mukuenzanisa nekupinda. Nemashoko akareruka, kana a cine wave inopinzwa musystem pane yakapihwa frequency, linear system inopindura panguva imwecheteyo ine humwe hukuru uye imwe chikamu chekona inoenderana neinopinza. Zvakare kune mutsara sisitimu, kupeta kaviri amplitude yekupinza kuchapeta kaviri amplitude yekubuda. Uye zvakare, kana iyo sisitimu iri nguva-isingachinji, saka frequency mhinduro zvakare haizosiyana nenguva. Zvishandiso zviviri zvefrequency response analysis zvine hukama asi zvine zvinangwa zvakasiyana. Yeodhiyo sisitimu, chinangwa chingave chekuburitsa chiratidzo chekuisa pasina kukanganisa. Izvo zvingada yunifomu (flat) ukuru hwekupindura kusvika kune bandwidth kugumira kweiyo system, nechiratidzo chinononoka neicho chaiyo nguva yakafanana panguva dzese. Nguva iyoyo inogona kuva masekonzi, kana mavhiki kana mwedzi munhau dzakarekodhwa. Kusiyana neizvi, kune chigadziriso chemhinduro chinoshandiswa kudzora chinochinja sisitimu, chinangwa ndechekupa yakavharwa-loop system mhinduro yakavandudzwa kana ichienzaniswa neyeisina kubhadharwa. Mhinduro yacho inowanzoda kupindura kune masisitimu ehurongwa mukati mehuwandu hudiki kwazvo hwematenderedzwa e oscillation (kazhinji isingasviki imwe yakazara kutenderera), uye ine chaiyo chikamu chekona chinoenderana neyakarairwa yekudzora kupinza. Kuti uwane mhinduro yekukwidziridzwa kwakakwana, kuwana chikamu chekona zvisirizvo kunogona kukonzera kusagadzikana kweyakavhurika-loop yakagadzikana sisitimu, kana kutadza kudzikamisa sisitimu yakavhurika-loop isina kugadzikana. Digital mafirita anogona kushandiswa kune ese maodhiyo masisitimu uye mhinduro ekudzora masisitimu, asi sezvo zvinangwa zvakasiyana, kazhinji hunhu hwechikamu chemafirita huchave hwakasiyana zvakanyanya kune maviri maapplication.
Muchikamu chino, ini ndichatsanangura kuti frequency mhinduro ndeyei, inobata sei ruzha, uye kuti ungaiyera sei. Uyezve, ini ndichagovera mamwe matipi ekuti ungawana sei yakanakisa frequency mhinduro kubva kune yako yekuteerera midziyo.
Kunzwisisa Frequency Mhinduro: Kiyi yeAudio Equipment Performance
Frequency mhinduro ishoko rinoshandiswa kutsanangura mapindure anoita odhiyo kune akasiyana ma frequency echiratidzo. Mumashoko akareruka, zvinoreva kuti maodhiyo system inoburitsa sei ruzha mumhando dzakasiyana siyana.
Frequency Response Inoshandiswa Sei muAudio Equipment Dhizaini?
Vagadziri vanoshandisa zviyero zvekupindura kakawanda kugadzira maodhiyo emidziyo inoshanda nenzira yakatsetseka uye inofanotaurwa. Ivo vanoshandisa mafirita, amplifiers, uye mamwe maseketi kuumba frequency mhinduro kuti iwane imwe ruzha kana kubhadharira kushomeka muhurongwa.
Chii chinonzi Fourier Transform?
Fourier shanduko inzira yemasvomhu inoshandiswa kumiririra chiratidzo maererano nezvikamu zvayo zve frequency. Iyo inoshandiswa kupatsanura chiratidzo mune yayo constituent frequencies uye amplitudes, izvo zvinozogona kurongwa pane frequency mhinduro curve.
Chii chiri Hukama pakati peFrequency Response uye Signal Processing?
Frequency mhinduro ipfungwa yakakosha mukugadziriswa kwechiratidzo nekuti inotsanangura mapinduriro ehurongwa kune akasiyana ma frequency echiratidzo. Masaini ekugadzirisa maitiro akadai sekusefa uye kuwanda anoshandiswa kushandura frequency mhinduro yesystem kuti iwane imwe ruzha kana mhedzisiro.
Nderipi Basa reFrequency Response muAudio Equipment Performance?
Frequency mhinduro chinhu chakakosha pakuona mashandiro emidziyo yekuteerera. Iyo sisitimu ine flat frequency mhinduro inoburitsa ese mafrequency zvakaenzana, nepo system ine shaped frequency mhinduro inosimbisa kana kudzikisira mamwe ma frequency. Vagadziri vanofanirwa kuenzanisa chishuwo cheimwe ruzha pamwe nekudiwa kwekuita kwakaringana uye kwakavimbika.
Nei Frequency Response Zvinebasa muAudio Equipment
Kana zvasvika kune maodhiyo emidziyo, frequency mhinduro ishoko rehunyanzvi rinowanzo kukandwa pasina vanhu vanyatsoona kukosha kwayo. Nemazwi akareruka, frequency mhinduro inoreva kugona kwechishandiso kuburitsa matani ese muodhiyo chiratidzo, kubva kune yakaderera bass manotsi kusvika kune epamusoro treble manotsi.
Basa reFrequency Response Mukugadzira Ruzha Rwakanaka
Kupindura kwefrequency yemudziyo wekuteerera kwakakosha pakuona mhando yeruzha runounzwa kumagumo. Mudziyo une ruzha rwakatsetseka unoonekwa seuri pakati nepakati uye unokwanisa kuburitsa huwandu hwakawanda hwemanzwi, nepo mudziyo une maumbirwo ekudavirwa kwefrequency unogona kugadzirwa kusimbisa kana kusasimbisa mamwe ma frequency.
Sei Yakaenzana Frequency Response Yakakosha
Kupindura kwakaringana frequency kwakakosha nekuti inobvumira mudziyo kunyatso kuburitsa manzwi ezviridzwa zvakasiyana uye masitaera emimhanzi. Semuenzaniso, mudziyo une bass mhinduro yakasimba inogona kunge yakanaka pakutamba mamwe marudzi emimhanzi, asi inogona kunge isingakodzere kurekodha kana kusanganisa zvidimbu zvinosanganisira yakawanda yemhando yepamusoro ruzha.
Kuti Frequency Response Inobata sei Kuita
Mhinduro yenguva yakawanda yemudziyo wekuteerera inogonawo kukanganisa kushanda kwayo kwese munzira dzakati wandei. Semuyenzaniso, mudziyo une low frequency response ungasakwanisa kupfuudza simba rakakwana kuti ubudise mabhesi manzwi akanaka, ukuwo mudziyo une high frequency response ungasakwanisa kuburitsa manzwi akanaka epasi.
Nei Frequency Mhinduro Yakakosha muStudio Setting
Mune studio yekumisikidza, frequency mhinduro yakatonyanya kukosha nekuti inogona kukanganisa kunaka kwemarekodha anogadzirwa. Mudziyo une maitikiro akaenzana anogona kubatsira kuona kuti zvakarekodhwa zvakarurama uye zvinonzwika zvakanaka pamhando dzakasiyana siyana dzemidziyo yekutamba.
Maitiro ekusarudza Audio Equipment Kubva pane Frequency Response
Paunenge uchitenga zvekuteerera, zvakakosha kuti uchengete frequency mhinduro mupfungwa. Hezvino zvinhu zvishoma zvekufunga nezvazvo:
- Tarisa zvishandiso zvinopa yakaringana frequency mhinduro pamhando yese yematoni.
- Funga nezvemhando yemimhanzi kana kuti ruzha rwauchange uchigadzira kana kuteerera, uye sarudza mudziyo wakagadzirirwa kubata iwo chaiwo ma frequency.
- Usanyanya kubatikana mune zvehunyanzvi ruzivo kana zvakatemwa. Kunyangwe zvakakosha kuti unzwisise izvo zvekutanga zve frequency mhinduro, vanhu vazhinji havazokwanisa kunzwa misiyano mishoma mukupindura kwefrequency pakati pemidziyo yakasiyana.
- Ramba uchifunga kuti frequency mhinduro ingori chinhu chimwe chekufunga nezvacho pakusarudza odhiyo. Zvimwe zvinhu zvinosanganisira rudzi rwekupinza uye kubuda masaini anogona kubata mudziyo, nhanho yeruzivo uye kujeka kwainopa, uye huwandu hwese hwekurira kwainoburitsa.
Kuyera uye Kuronga Frequency Mhinduro: Iyo Yehunyanzvi Details
- Nzira yakajairika inosanganisira kuisa chiratidzo chekuyedza kune yekuisa yemidziyo yekuteerera uye kuyera mhedzisiro inobuda chiratidzo.
- Imwe nzira inosanganisira kushandisa maikorofoni kutora ruzha rwunobudiswa nemudziyo uye kuongorora chiratidzo chabuda.
- Nzira mbiri idzi dzinowanzo sanganisira kushandisa nhevedzano yechiratidzo chekuyedza pama frequency akasiyana kuvhara iyo yese frequency renji yemidziyo.
Frequency Response Kuronga
- Frequency mhinduro inowanzorongwa pagirafu ine frequency pa x-axis uye nhanho pa y-axis.
- Chimiro chinoguma chinogona kutora mafomu akasiyana, kusanganisira akatsetseka curve kana mutsara wemakona emakona.
- Iyo yekuronga inogona zvakare kusanganisira ruzivo nezve chikamu, inova nguva yehukama yeakasiyana ma frequency zvikamu muchiratidzo.
Frequency Domain Specifications: Enforcing Limits uye Tracking Signals
Frequency domain specifications ndiyo tekinoroji parameters inotsanangura mabatiro anofanirwa kuita sisitimu kumasaini ekuisa pane akasiyana ma frequency. Ivo vanosimbisa miganho pane iyo sisitimu kuwana, kunzwa, uye kudzikisira kwekuvhiringidza, uye kuteedzera masaini kuona kuti inobuda inofanana neinodiwa chimiro.
Chii chinonzi Systune?
Systune chishandiso chesoftware chinogadzirisa maitiro ekugadzirisa frequency domain maratidziro ekutonga masisitimu. Inoshandisa yakavharwa-loop script kugadzirisa masisitimu ma paramita uye kuteedzera mhinduro yaunoda.
Chii chinonzi SISO?
SISO inomirira kuti “single-input, single-output,” uye inoreva masisitimu ane chinhu chimwe chete chekupinza uye chinobuda chimwe chete. SISO masisitimu ari pasi peiyo frequency domain yakatarwa, iyo inomanikidza miganhu pamhinduro yavo kumasaini ekuisa pane akasiyana ma frequency.
Ko Amplification Yakafanana NeKuwana?
Amplification uye kuwana zvakabatana, asi hazvina kufanana. Amplification inoreva kuwedzera kwese kwechiyero chechiratidzo, nepo kuwana kunoreva chiyero chekubuda kune chekuisa pane imwe frequency. Mune zvimwe zviitiko, zvingave zviri nani kutsanangura amplification panzvimbo yekuwana, zvichienderana nezvinodiwa nehurongwa.
Chii chinonzi Norm Constraint?
Norm constraint imhando yefrequency domain specification iyo inomanikidza miganhu pane yakajairwa yehurongwa hwekufambisa basa. Izvi zvinobatsira kumanikidzira mhinduro yehurongwa hwese, pane mhinduro yayo pama frequency chaiwo.
Flat vs Shaped Frequency Response: Ndeipi iri Nani kune Maikorofoni Yako?
Shaped frequency response, kune rumwe rutivi, zvinoreva kuti mic yakagadzirirwa kusimbisa kana kuremedza mamwe ma frequency. Izvi zvinogona kuitwa nekuda kwezvikonzero zvakasiyana, sekubhadhara maacoustic emukamuri kana kuvandudza ruzha rwechimwe chiridzwa. Mimwe mienzaniso yemakrofoni ane chimiro chekupindura frequency inosanganisira:
- Iyo Shure SM7B: Iyi mic ine yakawedzera midrange uye roll-off mumasevhisi epamusoro, zvichiita kuti ive sarudzo yakakurumbira yekurekodha mazwi.
- Iyo AKG C414: Iyi mic ine akawanda alternate vhezheni, imwe neimwe ine akasiyana akaumbwa frequency mhinduro. Izvi zvinobvumira mushandisi kusarudza shanduro inonyatsoenderana nezvavanoda.
Kusarudza Yakakodzera Frequency Mhinduro kune Zvaunoda
Saka, chii chiri nani: furati kana yakaumbwa frequency mhinduro? Mhinduro ndeyokuti, zvinoenderana nezvaunoda chaizvo. Hezvino zvimwe zvinhu zvekufunga nezvazvo pakusarudza maikorofoni:
- Kana iwe uchida mic inonyatso kuburitsa ruzha rwekwakabva, flat frequency mhinduro ndiyo nzira yekuenda nayo.
- Kana iwe uri kurekodha mukamuri ine isina kunaka acoustics, mic ine yakaumbwa frequency mhinduro inogona kubatsira kutsiva izvi.
- Kana uri kurekodha chimwe chiridzwa kana ruzha, maikorofoni ine chimiro chefrequency mhinduro inosimbisa mafambisirwo echiridzwa ichocho kana ruzha runogona kuvandudza mhedzisiro.
Izvo zvakakoshawo kucherechedza kuti mamwe maikorofoni, akadai seakakurumbira Neumann U87, ane yakawedzera-yekupedzisira frequency mhinduro. Izvi zvinogona kukonzera ruzha rwakajeka, rwakadzama, asi zvinogona zvakare kutungamira kune ruzha uye zvinoda kunyatsogadziriswa.
Zvishandiso zveFrequency Response
Iyo frequency mhinduro yeaudio system chinhu chakakosha mukugadzira midziyo yekuteerera. Mainjiniya anofanirwa kuve nechokwadi chekuti sisitimu inogona kuburitsa yaidiwa huwandu hweanonzwika ma frequency neakaringana uye nekuvimbika. Izvi zvinoda kupindurwa kwemafrequency nekushivirira kwakasimba, zvichireva kuti sisitimu haifanire kudzikisa kana kusimbisa chero ma frequency. Kuti uite izvi, mainjiniya anogona kushandisa musanganiswa weanalog uye mafirita edhijitari, zvichienderana nezvinodiwa zvehurongwa.
Kuyera uye Kuongorora Zviratidzo
Frequency mhinduro yakakoshawo pakuyera nekuongorora masaini mumagetsi masisitimu. Mainjiniya anoshandisa frequency mhinduro macurves kuratidza kuti sisitimu inobereka sei kana kudzoreredza ma frequency akasiyana. Ruzivo urwu rwakakosha mukugadzira uye kuyedza zvinhu zvemagetsi, senge amplifiers, maikorofoni, uye mafirita. Nekuongorora mafambisirwo emhinduro yehurongwa, mainjiniya anogona kuverenga iyo inogumira impulse mhinduro (FIR) yehurongwa, iyo inovabvumira kubhadhara chero kupokana frequency mhinduro.
Kukurukurirana uye Wireless Systems
Frequency mhinduro yakakoshawo mukutaurirana uye mawaya masisitimu, seredhiyo, vhidhiyo, uye masisitimu ekuchinja. Mainjiniya anoshandisa frequency response curves kuratidza huwandu hwemafrequency ayo system inogona kufambisa kana kugamuchira. Ruzivo urwu rwakakosha mukugadzira uye kuyedza antennas uye coaxial tambo. Mumagetsi asina waya, mainjiniya anofanirwawo kufunga nezve infrasonic frequency inogona kukonzerwa nekudengenyeka kwenyika kana electroencephalography (EEG) masaini.
Kusimbisa uye Zvinodiwa Kurebesa
Mune mamwe maapplication, senge kudhindwa kweaudio kana kunzwisisika kwekutaura, kuumbwa kwefrequency mhinduro inogona kudiwa. Semuenzaniso, imwe mhando yemimhanzi ingada kunyanya kusimbiswa kune bass frequencies, nepo hurongwa hwekunzwisisa kwekutaura hungada kunyanya kusimbiswa kune midrange frequencies. Muzviitiko izvi, mainjiniya anogona kushandisa mafirita kuumba frequency mhinduro yesystem kuti isangane nezvinodiwa chaizvo. Nekudaro, zvakakosha kuve nechokwadi kuti mhinduro yakaumbwa haikonzeri kusatendeseka kana kusanzwisisa.
Dziviriro uye Notification
Frequency mhinduro yakakoshawo mukudzivirira zvikamu zvemagetsi kubva mukukuvadzwa. Semuyenzaniso, gudzanzwi rinogona kunge riine ruzha rwekupindura rwunopfuura rwunonzwika, rwunogona kukuvadza mutauri kana rikafambiswa nechiratidzo chine infrasonic kana ultrasonic frequencies. Kuti udzivise izvi, mainjiniya anogona kushandisa mafirita kudzikamisa frequency mhinduro yechiratidzo chekuisa. Uye zvakare, frequency mhinduro inogona kushandiswa kuzivisa vashandisi nezvematambudziko anogona kuitika muhurongwa. Semuenzaniso, kushanduka kamwe kamwe mumhinduro yenguva yakawanda yegadziriro inogona kuratidza chikamu chinokanganisa kana kushamwaridzana kwakasununguka.
mhedziso
Saka, frequency mhinduro ndiyo chiyero chekuti mutauri kana chidimbu chemudziyo weodhiyo unoburitsa ma frequency akasiyana. Chinhu chakakosha pakusarudza mudziyo wakakodzera kune ruzha rwaunoda kuwana.
Saka, ikozvino iwe unoziva kuti frequency mhinduro ndeyei uye maitiro ekuiyera. Ndinovimba gwara iri rapindura mibvunzo yako yese uye rakubatsira kuti udzidze zvakawanda nezve ichi chakakosha chemidziyo yekuteerera.
Ini ndini Joost Nusselder, muvambi weNeaera uye mushambadzi wemukati, baba, uye ndinoda kuyedza michina mitsva ine gitare pamoyo pechido changu, uye pamwe nechikwata changu, ndanga ndichigadzira zvakadzama zvinyorwa zveblog kubva 2020. kubatsira vaverengi vakavimbika nekurekodha nemagitare.
