Amplifier qauv (tseem hu ua amp modeling los yog amp emulation) yog cov txheej txheem ntawm emulating lub cev amplifier xws li ib tug guitar amplifier. Amplifier qauv feem ntau nrhiav kom rov tsim lub suab ntawm ib lossis ntau qhov qauv ntawm lub tshuab nqus tsev amplifiers thiab qee zaum kuj tseem muaj lub xeev amplifiers.
Introduction
Amplifier qauv yog tus txheej txheem ntawm simulating cov yam ntxwv ntawm timeless analog amplifier tsim ntawm powered, digital modeling amps. Nrog rau kev tsim qauv amplifier, cov kws ntaus suab paj nruag thiab cov kws tsim suab paj nruag muaj peev xwm rov tsim lub suab thiab hnov zoo ntawm classic amplifiers yam tsis tas yuav mus ncig ib puag ncig hnyav thiab kim tsoos amps.
Amplifier qauv yog ua tiav los ntawm kev siv thev naus laus zis uas yuav tsum muaj kev sib xyaw ua ke sophisticated electronic circuitry, haib software programs thiab complex topology. Los ntawm kev sib xyaw ua ke no, tus qauv amp tuaj yeem tsim cov raj, pre-amps, cov suab nrov, cov khoom siv hais lus thiab lwm yam cuam tshuam pom nyob rau hauv classic analog amplifier; tsim kom muaj qhov tseeb sawv cev uas ua rau lub neej zoo li guitar tones.
Ib qho zoo rau amp modelers yog portability; lawv yog me dua li cov khoom siv amplifiers lawv simulate thiab feem ntau yooj yim rau kev thauj mus los ntawm ib qho chaw mus rau lwm qhov. Amp modelers kuj muaj cov txiaj ntsig ntxiv xws li:
- Adjustable yooj rau lub suab tweaking
- Nta xws li "qhia tawm" muaj peev xwm khiav lub teeb liab ncaj qha los ntawm lub amp los ntawm lub rooj sib xyaw sib xyaw lossis cov ntaub ntawv kaw lus
- Nkag mus rau downloadable suab los ntawm ntau tus tsim
- Thiab ntau ntxiv.
Amplifier Model yog dab tsi?
Tus qauv amplifier, kuj tseem hu ua a Digital Amp Modeler (DAM) yog ib hom software uas tso cai rau koj rov ua lub suab ntawm ntau hom guitar amplifiers. Cov qauv no ua haujlwm los ntawm kev simulating cov khoom siv hluav taws xob ntawm cov amps sib txawv, ntes thiab ua cov suab ntawm lub amp thiab siv lawv rau ib qho twg. Feem ntau, kev tsim qauv amplifier tuaj yeem pab koj ua tiav lub suab ntawm lub suab nrov ntawm lub suab nrov, lossis tsim cov suab nrov tshwj xeeb.
Tam sim no cia peb saib yuav ua li cas amplifier qauv ua haujlwm:
Hom Amplifier Qauv
Amplifier qauv, uas yog qee zaum hu ua amp qauv or amp-kev ua qauv yog ib hom kev ua digital siv los simulate lub suab ntawm ntau yam khoom siv. Amplifiers tau siv ntau hom suab paj nruag thiab muaj peev xwm ua qauv rau cov amplifiers tuaj yeem txo lub sijhawm thiab nyiaj txiag tsim nyog los nrhiav cov suab tshiab.
Ntawm nws cov theem pib tshaj plaws, tus qauv amplifier yuav coj lub teeb liab thawj (los ntawm ib qho cuab yeej), simulate lwm qhov ntawm cov teeb liab saw xws li preamps, crossovers thiab equalizers thiab tom qab ntawd tso tawm los ntawm cov neeg hais lus virtual. Cov txheej txheem no tso cai rau koj kom ua tiav cov suab nrov ntawm cov amplifiers sib txawv yam tsis tas yuav dhau los ntawm kev teeb tsa lub cev.
Muaj ntau ntau hom amplifier qauv muaj nyob rau ntawm ntau lub platforms, xws li:
- Hard-qauv: Lub computer ua txhua yam haujlwm rau koj hauv kev tsim cov suab nrov classic. Nws txheeb xyuas koj cov suab tsis muaj suab nrov thiab tom qab ntawd siv cov lej sib npaug los rov ua dua lawv hauv tshuab hluav taws xob.
- hybrid: Qhov no suav nrog kev sib txuas cov khoom siv lub cev nrog cov software simulation virtual los tsim cov suab tshiab lossis kho cov suab uas twb muaj lawm.
- Software Modeled: Qhov no suav nrog kev tsim cov suab nrov hauv cov kev pab cuam software, tso cai rau koj los tsim cov suab nrov analog yam tsis tas yuav muaj tus nqi ntawm lub cev cuam tshuam nrog kev sim tawm ntau yam amps ntawm cov khw muag khoom.
Cov txiaj ntsig ntawm Amplifier Modeling
Amplifier qauv yog qhov kev xaiv tshiab tshiab rau cov neeg ntaus guitar. Los ntawm digitally simulating ntau hom amplifiers thiab hais lus txee, amplifier modeling muab guitarists muaj peev xwm hloov tau yooj yim ntawm txawv amplifiers yam tsis tau hloov cov cuab yeej los yog hloov phau ntawv hloov mus rau lub amp knobs. Qhov no tuaj yeem ua rau lub sijhawm txuag tau zoo thiab ua rau kev ua yeeb yam nyob tau zoo dua.
Kev siv amplifier qauv tuaj yeem yooj yim heev, tab sis muaj lwm yam txiaj ntsig zoo. Kev tsim qauv amplifier tso cai rau cov kws ntaus suab paj nruag los tshawb txog ntau hom suab thiab lub suab tsis tas siv nyiaj rau ntau qhov kev teeb tsa lossis yuav tsum tau muab tag nrho cov rig rau ib lub suab tshwj xeeb. Nws kuj ua rau nws yooj yim dua rau cov neeg ua si uas raug kev txom nyem los ntawm cov kab mob ntuav, xws li cov ntses bass thaj tsam uas yuav xav siv lawv cov qub combo amp tab sis qhov chaw txwv txwv tsis pub lawv txhim kho ntau lub cab nyob ib puag ncig lawv. Thaum kawg, kev tsim qauv amplifier ua rau muaj kev hloov pauv hauv cov ntsiab lus ntawm kev muaj tswv yim nrog lub suab vim tias koj tuaj yeem siv tsis muaj qhov txwv ntawm kev sib txuas ntawm amps thiab cov khoom uas muab rau koj tsis tau muaj dua. variation nyob rau hauv lub suab zoo.
Amplifier Modeling ua haujlwm li cas?
Amplifier qauv yog ib txoj hauv kev nrov heev rau guitarists kom tau txais cov suab sib txawv ntawm lawv cov khoom siv. Cov thev naus laus zis digitally rov tsim cov suab ntawm cov cuab yeej acoustic, cov nyhuv pedals thiab amplifiers, tso cai rau cov neeg ua si. yooj yim hloov ntawm cov suab sib txawv thiab suab nrov nrog kov ntawm ib lub pob.
Hauv kab lus no, peb yuav saib yuav ua li cas amplifier qauv ua haujlwm thiab cov cov txiaj ntsig nws muab rau cov neeg ntaus guitar.
Kev Ua Haujlwm Digital Digital
Yuav kom simulate lub suab ntawm lub amplifier tsis muaj tiag, koj yuav tsum siv digital signal processing (DSP). Nws ua haujlwm niaj hnub no ntau npaum li nws tau ua hauv xyoo 2003, thaum Kab 6 tso tawm lawv thawj cov khoom siv kho vajtse amp-modeling, POD.
Cov teeb liab ua tiav siv lej algorithms los rov ua cov txheej txheem analog, hauv qhov no emulating lub suab ntawm classic amplifiers. Nws suav nrog algorithms uas sim ua kom raug raws li kev txhim kho ntawm ib qho analog circuit thiab tag nrho nws cov khoom los ntawm kev suav cov txiaj ntsig zoo li tam sim no, voltage thiab tone pawg. Cov zis tawm yog tom qab ntawd hloov mus rau hauv lub suab digital uas tuaj yeem xa mus rau lub tshuab hluav taws xob lossis lub zog hais lus.
Cov txheej txheem tseem ceeb suav nrog kev siv lub suab digital waveform (xws li cov khoom tsim nrog cov keyboard lossis guitar pickup), hloov nws nrog ntau theem ntawm DSP cov ntxaij lim dej thiab sib xyaw rau ntau qhov sib txawv 'cab style' thiab microphone simulations. Cov teeb liab chains tuaj yeem tau txais qhov nyuaj heev uas tso cai rau cov neeg siv khoom siv lub suab tshwj xeeb los ntawm kev sib txuas ntawm cabs, mics thiab pedals nrog rau amp tsis zoo li nce thiab EQ nqis.
Txawm hais tias kev ua qauv siv tshuab tau los ntev txij li xyoo 2003 tseem muaj ntau yam kev txhim kho uas tuaj yeem ua tau xws li muab kev nkag mus rau ntau cov qauv classic los ntawm cov cim amplifiers thoob plaws hauv keeb kwm nrog rau qhov tseeb dua ntawm cov qauv no. Txawm hais tias tus qauv siv tshuab no yog qhov nrov tsis txaus ntseeg ntawm cov guitarists vim nws yooj yim, pheej yig, tonal possibilities thiab saj zawg zog dua li ib txwm amps - muab cov neeg ua si uas tsis tau muaj dua los tswj lawv txoj kev ua si.
Qauv Algorithms
Amplifier qauv yog ib txoj hauv kev digitally recreating lub suab ntawm lub amplifier siv tus qauv lej. Nws yog feem ntau siv nyob rau hauv niaj hnub digital amplifiers thiab qauv pedal units los tsim lub suab ntawm ib txwm analog raj amps los ntawm hluav taws xob guitar.
Cov txheej txheem suav nrog kev txheeb xyuas cov teeb liab los ntawm lub tshuab hluav taws xob tiag tiag thiab tom qab ntawd txhais nws mus rau hauv kev tswj algorithm uas muaj peev xwm sawv cev rau nws cov yam ntxwv sonic. Qhov no algorithm, uas tseem hu ua "qauv,” tom qab ntawd muab tso rau hauv cov cuab yeej siv digital programming uas tuaj yeem tswj cov ntawv nthwv dej lossis oscillations kom rov tsim cov suab nyob hauv thaj tsam ntawm amp lossis lwm yam khoom siv cuam tshuam. Cov suab uas tshwm sim yog programmed kom phim ib lossis ntau daim ntawv nthwv dej tshwj xeeb uas ua kom raug lub suab ntawm lub amplifier nrog ntau qib nce, suab pawg, sib npaug thiab teeb tsa.
Feem ntau ntawm amplifier modeling li siv technology hu ua FFT (Fast Fourier Transform), uas siv cov algorithms los tsim cov kev ua tau zoo ntawm lub sijhawm simulation raws li ntau hom teeb liab inputs xws li cov tswv yim ncaj qha thiab microphone captures. Cov qauv tom qab ntawd sib piv txhua lub teeb liab uas lawv ntes nrog lawv cov lej lej los tsim cov kev tsim tawm kom raug rau tus thawj amplifiers thiab tuaj yeem coj mus rau hauv tus account xws li:
- Lub tshuab nqus tsev vacuum
- Hais lus yam
- txee loj
- Chav tsev acoustics
thaum tsim simulations.
Amplifier Emulation
Amplifier emulation yog ib feem tseem ceeb ntawm niaj hnub suab amplifiers. Nws tso cai rau cov distortion, compression, thiab lwm yam teebmeem ntawm ntau lub amplifiers yuav tsum tau replicated yam tsis tau coj mus rau hauv tag nrho cov amps.
Lub tshuab tom qab amplifier emulation yog raws li digital signal processing (DSP). Lub tswv yim yog tias koj siv lub teeb liab, pib los ntawm simulating lub tshuab hluav taws xob virtual thiab tom qab ntawd txiav nws raws li lub suab xav tau. Los ntawm kev ua qhov no, koj tuaj yeem tau txais ntau qhov sib txawv ntawm lub suab thiab cov teebmeem, xws li crunchy distortion lossis ntxaum reverb thiab qeeb.
Qhov no ua tau vim yog kev sib xyaw ua ke ntawm kev ua haujlwm tsis ua haujlwm uas tau tsim rau hauv txhua lub amplifier emulator xws li tsav, lub zog tso zis theem, lub suab shaping peev xwm thiab ntau dua. Cov chaw no yog tswj los ntawm tus neeg siv tus phooj ywg interface ntawm feem ntau tus qauv muab kev nkag mus rau amp suab los ntawm ntau lub sijhawm, cov qauv thiab hom.
Ntau cov tswv yim tseem ua haujlwm rau kwv yees cov suab kaw uas suav nrog kho vajtse lossis software-raws li cov lim dej qis lossis sib npaug nrog rau kev tshuaj ntsuam algorithms uas sim txheeb xyuas cov yam ntxwv tseem ceeb ntawm kev teeb tsa lub suab nrov los ntawm cov suab kaw yav dhau los coj los ntawm cov amps tiag. Qhov no tso cai rau cov tshuaj tiv thaiv tshwj xeeb ntawm qhov qis, nruab nrab thiab siab nyob rau hauv cov tswv yim muaj rau cov neeg siv coj kom zoo dua thaum tsim lawv lub suab xav tau.
xaus
Kom suav tau, amplifier qauv yog ib qho kev cuam tshuam pedal txheej txheem uas emulates lub suab ntawm ntau yam classic guitar amplifiers. Los ntawm kev siv qhov sib xyaw ua ke digital signal processing algorithms thiab cov cuab yeej siv cuab yeej tshiab kawg, tus neeg siv tuaj yeem tswj lawv lub suab nrov, nce cov qauv thiab txawm tias hloov qhov sib txawv ntawm lub suab nrov xws li preamps lossis cov raj kom tau lawv lub suab xav tau.
Yog tias koj tab tom nrhiav ib txoj hauv kev los nthuav koj cov kev xaiv tonal yam tsis tas yuav nqis peev hauv kev yuav ntau lub amps, ces cov qauv amplifier yuav yog qhov zoo rau koj. Nrog ntau txoj kev xaiv muaj nyob rau hnub no, tsis muaj kev txwv rau yam koj tuaj yeem tsim!
Kuv yog Joost Nusselder, tus tsim ntawm Neaera thiab tus neeg lag luam cov ntsiab lus, txiv, thiab nyiam sim cov cuab yeej tshiab nrog guitar ntawm lub siab ntawm kuv txoj kev mob siab rau, thiab ua ke nrog kuv pab neeg, Kuv tau tsim cov ntsiab lus ntawm blog txij li xyoo 2020. los pab cov neeg nyeem siab ncaj nrog cov ntaub ntawv kaw lus thiab cov lus qhia guitar.
