Analog Sound Synthesis ntawm Koj Lub Computer: 10 Kauj Ruam (nrog Duab)

2024 Tus sau: John Day | [email protected]. Kawg hloov kho: 2024-01-30 09:31

Zoo li lub suab ntawm cov qub analog synthesizers? Xav ua si nrog ib tus ntawm koj tus kheej lub sijhawm, ntawm koj tus kheej qhov chaw, ntev li koj xav tau, DAWB? Nov yog qhov uas koj npau suav phem tshaj plaws ntawm Moog los ua qhov tseeb. Koj tuaj yeem dhau los ua tus kws kos duab hluav taws xob lossis tsuas yog ua kom txias, suab nrov los mloog ntawm koj lub mp3 player. Txhua yam koj xav tau yog lub khoos phis tawj! Tam sim no kuv paub koj nyob nraum tej zaum hais tias "Gee willikers, Tyler, Kuv tsis paub dab tsi txog kev khiav lub tshuab sim hluav taws xob- uas nyuaj dua!". Tsis txhob txhawj, Bunky! Nws yog ib qho yooj yim thiab kuv yuav muab ob peb tus qauv rau koj pib nrog thiab hloov kho kom ua rau lub suab nrov txawv txawv uas koj xav tau. Nov yog qhov txuas rau kev npaj ua si cov ntaub ntawv suab (nws tau tsim los ntawm "composition_1.asc" hauv qib 7 ntawm qhov 'ible) uas koj tuaj yeem sim tawm. Kuv hloov nws los ntawm.wav rau mp3 kom txo sijhawm rub tawm. https://www.rehorst.com/mrehorst/instructables/composition_1.mp3 Muaj qee qhov qis qis hauv nws lub suab yog li mloog nrog lub mloog pob ntseg lossis hais lus zoo. Yog tias koj nyiam qhov koj pom, pov npav rau kuv! Nco tseg: Kuv tau txuas cov ntaub ntawv schematic rau LTSpice uas koj tuaj yeem ua haujlwm ntawm koj lub khoos phis tawj, tab sis vim qee yam thaum koj sim rub lawv cov npe thiab txuas ntxiv tau hloov pauv. Cov ntsiab lus ntawm cov ntaub ntawv zoo li OK, yog li tom qab rub tawm cov ntawv tsuas yog hloov cov npe thiab txuas ntxiv thiab lawv yuav tsum ua haujlwm. Cov npe raug thiab txuas ntxiv tau qhia ntawm cov cim koj nyem rau rub tawm.

Kauj Ruam 1: Thawj Yam Ua Ntej

LTSpice yog lub khoos phis tawj qhov rai, tab sis tsis txhob cia qhov ntawd ua rau koj poob qis. Nws ua haujlwm zoo hauv Wine hauv linux. Kuv xav tias tsis muaj teeb meem khiav nws hauv VMWare tus thov kev pab, VirtualBox, lossis lwm yam cuab yeej virtualization hauv linux, thiab teeb meem ntawm Macs ib yam nkaus. Rub tawm ib daim qauv ntawm LTSpice rau Windows (ug!) Nov: https://www.linear.com/ designtools/software/ltspice.jspInstall nws. LTSpice yog dab tsi? Nws yog lub sijhawm sim sau Circuit Circuit uas txhua tus neeg nyiam siv hluav taws xob yuav tsum paub siv. Kuv yuav tsis muab cov ncauj lus qhia ntxaws txog nws ua haujlwm li cas ntawm no, tab sis kuv yuav piav qhia qee yam uas koj yuav tsum paub thaum peb mus. lossis siab dhau los hnov. Yog tias koj ua li ntawd thiab tsav koj cov neeg hais lus kim nrog lub zog siv hluav taws xob siab koj tuaj yeem cia li tshuab koj cov neeg hais lus/amp rau me ntsis. Ib txwm saib cov duab ua ntej koj ua si rov qab thiab ceev faj kom txwv lub ntim thaum koj rov ua cov ntaub ntawv thawj zaug tsuas yog kom nyab xeeb. Nws ib txwm yog lub tswv yim zoo los ua cov ntaub ntawv ntawm lub mloog pob ntseg pheej yig ntawm lub ntim qis ua ntej sim tham.

Kauj ruam 2: Tswv yim

Cov tswv yim rau lub simulator yog nyob rau hauv daim ntawv ntawm daim duab schematic. Koj xaiv cov khoom siv, tso lawv rau ntawm cov phiaj xwm, tom qab ntawv txuas lawv ua ke. Thaum koj qhov kev ua tiav tiav, koj qhia tus simulator li cas koj xav kom nws simulate lub Circuit Court thiab qhov kev tso tawm yam koj xav tau li cas. Koj yuav pom muaj ib qho Circuit Court uas suav nrog qhov hluav taws xob qhov hluav taws xob, ib khub ntawm cov resistors, daim ntawv lo ntawm cov zis, hauv av, thiab kab ntawv kab lus hais kom ua. Cia peb saib txhua tus. Tam sim no yog lub sijhawm zoo los qhib cov ntaub ntawv hluav taws xob txuas hauv qab no. Koj YUAV TSUM muaj av txuas nrog tsawg kawg ib qho ntawm koj lub Circuit Court lossis koj yuav tau txais cov txiaj ntsig coj txawv txawv los ntawm koj qhov kev sim. (lossis qee yam nyuaj dua), qhov hluav taws xob yog dab tsi, "kev tiv thaiv sab hauv" ntawm lub hauv paus, thiab lwm yam. Txhua yam koj xav tau tiag tiag yog kev tawm tsam rau kev sim sim yooj yim. Resistors: Cov resistors zoo nkauj yooj yim to taub. Tsuas yog nyem-nyem kom teeb tus nqi ntawm kev tawm tsam. Tsis quav ntsej lwm qhov uas tsis tuaj yeem zais nyob ntawd. Labeled input thiab output nodes: Tsuas yog cov npe rau ntawm cov kab hauv Circuit uas yog tus neeg siv tus phooj ywg.- siv cov npe xws li "output", "input", thiab lwm yam. qhia tus simulator li cas koj xav kom lub Circuit raug simulated. Qhov no yog lub sijhawm sim sau tus lej uas txhais tau tias nws tshuaj xyuas qhov Circuit Court ntawm cov ntsiab lus sib txawv hauv lub sijhawm. Koj yuav tsum qhia nws tias lub sijhawm ua haujlwm siab tshaj plaws yuav tsum yog thiab ntev npaum li cas qhov kev sim yuav tsum ua hauv "Circuit-time", tsis yog lub sijhawm tiag tiag. Yog tias koj qhia tus sim kom khiav rau 10 vib nas this ntawm lub sijhawm-sijhawm thiab koj teeb tsa lub sijhawm siab tshaj plaws mus rau 0.001 vib nas this, nws yuav tshuaj xyuas qhov Circuit Court tsawg kawg 10, 000 zaug (10 sec/0.001 sec) ces tso tseg., qhov hluav taws xob ntawm txhua lub node hauv Circuit Court thiab cov dej ntws tawm mus thiab tawm ntawm txhua lub node yuav suav thiab khaws tseg txhua lub sijhawm. Txhua cov ntaub ntawv no yuav muaj los npaj rau ntawm lub vijtsam zoo li lub vijtsam oscilloscope (lub sijhawm ntawm kab rov tav, qhov hluav taws xob lossis tam sim no ntawm txoj kab ntsug. Xwb, koj tseem tuaj yeem xa cov zis mus rau.wav audio file uas koj tuaj yeem ua si ntawm a khoos phis tawj, hlawv rau CD, lossis hloov mus rau mp3 ua si ntawm koj lub mp3 player. Ntau ntxiv tom qab ntawd …

Kauj Ruam 3: Tso Tawm

Cov zis tuaj yeem yog cov phiaj xwm sib piv ntawm qhov hluav taws xob piv rau lub sijhawm, qhov hluav taws xob vs qhov hluav taws xob, thiab lwm yam, lossis cov ntawv sau uas suav nrog cov pawg ntawm cov hluav taws xob lossis cov dej ntws ntawm txhua lub sijhawm, lossis a.wav audio file uas peb yuav siv ntau hauv download tau thiab qhib cov ntawv "resistors.asc". Nyem lub cim me me khiav tus txiv neej (sab saud sab laug ntawm lub vijtsam) thiab lub Circuit Court yuav tsum khiav. Tam sim no nyem rau ntawm "OUT" daim ntawv lo hauv Circuit. Koj yuav pom qhov hluav taws xob sau tias "tso tawm" tso tawm ntawm cov duab tso tawm raws kab rov tav uas sawv cev rau lub sijhawm. Qhov ntawd yog qhov ntsuas hluav taws xob txheeb ze rau hauv av (yog vim li cas koj xav tau tsawg kawg ib qho av hauv txhua qhov Circuit Court!). Cov ntawd yog cov hauv paus. Sim hloov ib qho ntawm qhov ntsuas tus nqi lossis qhov hluav taws xob tom qab ntawd rov ua qhov simulation thiab pom dab tsi tshwm sim rau qhov hluav taws xob tso tawm. Tam sim no koj paub yuav ua li cas khiav Circuit Simulator. Yooj yim tsis yog nws?

Kauj ruam 4: Tam sim no Qee Lub Suab

Qhib lub Circuit Court hu ua "dizzy.asc". Qhov no yog qhov ua suab nrov txawv txawv uas siv tus hloov pauv thiab ob peb qhov hluav taws xob los tsim CD zoo (16 khoom, 44.1 ksps, 2 raws) cov ntaub ntawv suab uas koj tuaj yeem ua si nrog. Zaus thiab qhov dav yog ob qho tib si kho tau zoo ib yam li VCO thiab VCA hauv qhov sib xyaw ua ke tiag. Daim ntawv nthwv dej yog ib txwm sinusoidal, tab sis muaj txoj hauv kev los hloov nws- ntau ntxiv ntawm qhov ntawd tom qab. Cov zaus txwv tau teev tseg los ntawm cov cim thiab qhov chaw tsis. Kos yog qhov zaus thaum FM input voltage yog 1V thiab qhov chaw yog qhov zaus thaum FM input voltage yog 0V. Qhov tso tawm zaus yog qhov ua haujlwm ntawm FM input voltage, yog li qhov zaus yuav yog ib nrab ntawm cov cim thiab qhov chaw zaus thaum FM input voltage yog 0.5V thiab yuav yog 2x cim zaus thaum FM input voltage yog 2V. tus hloov pauv tseem tuaj yeem ua qhov hloov pauv ntawm AM tus pin nkag. Tus ntsuas hluav taws xob (oscillator) tso tawm qhov dav yuav phim qhov ntsuas hluav taws xob siv rau AM qhov ntsuas hluav taws xob. Yog tias koj siv DC qhov hluav taws xob nrog qhov hluav taws xob ntawm 1, qhov tso tawm suab yuav yog 1V (uas txhais tau tias nws yuav viav vias ntawm -1 thiab +1 V). Tus modulator muaj ob qho kev tawm- sine thiab cosine. Cov txheej txheem nthwv dej yog zoo ib yam tshwj tsis yog lawv yog 90 degrees tawm ntawm theem. Qhov no tuaj yeem lom zem rau daim ntawv tso suab tso suab. Qhov lus qhia.tran uas qhia rau lub simulator qhov siab tshaj plaws lub sijhawm kauj ruam thiab lub sijhawm simulation. Hauv qhov no, lub sijhawm siv hluav taws xob (lub sijhawm simulation tag nrho) = lub sijhawm ua ntaub ntawv audio. Qhov ntawd txhais tau tias yog koj siv qhov kev sim rau 10 vib nas this koj yuav tau txais cov ntaub ntawv audio uas yog 10 vib nas this ntev. Qhov kev khaws tseg tau siv los txo qis cov ntaub ntawv uas tus simulator yuav khaws cia raws li nws ua haujlwm simulation. Feem ntau nws txuag cov hluav taws xob ntawm txhua lub node thiab cov dej ntws mus rau hauv thiab tawm ntawm txhua qhov tivthaiv. Qhov ntawd tuaj yeem ntxiv txog LOT ntawm cov ntaub ntawv yog tias koj lub Circuit Court nyuaj lossis koj sim simulation ntev. Thaum koj ua qhov simulation, tsuas yog xaiv ib qho hluav taws xob lossis tam sim no los ntawm cov npe hauv lub npov lus sib tham thiab cov ntaub ntawv cov ntaub ntawv (.raw) yuav me me, thiab qhov simulation yuav ua haujlwm ntawm qhov nrawm tshaj plaws. tsim CD cov suab tso suab zoo (16 cov khoom ib tus qauv, 44.1 ksps, ob txoj hauv kev) tso qhov hluav taws xob ntawm "OUTL" nyob rau sab laug channel thiab qhov hluav taws xob ntawm "OUTR" hauv txoj cai. Cov ntaub ntawv.wav muaj 16 qhov piv txwv me ntsis. Tag nrho cov nplai tso tawm hauv.wav cov ntaub ntawv (tag nrho 16 qhov khoom hauv qhov piv txwv qhib) tshwm sim thaum qhov hluav taws xob raug tso tawm yog raws nraim +1 Volt lossis -1 Volt. Koj qhov hluav taws xob hluav taws xob tsim hluav taws xob yuav tsum teeb tsa kom tsim hluav taws xob tsis pub ntau tshaj +/- 1V tawm rau txhua lub channel, txwv tsis pub cov ntawv tso tawm hauv.wav cov ntaub ntawv yuav raug "clipped" thaum twg qhov hluav taws xob ntau tshaj +1 lossis -1 V. Since peb tab tom ua cov ntaub ntawv audio uas piv txwv ntawm 44.1 ksps, peb xav tau lub simulator los sim qhov Circuit Court tsawg kawg 44, 100 zaug ib pliag, yog li peb teeb tsa lub sijhawm siab tshaj plaws mus rau 1/44, 100 sec lossis txog 20 microseconds (peb).

Kauj Ruam 5: Lwm Lub Hom Phiaj Cov Hluav Taws Xob, Lwm Hom Suab

Analog synthesizer xav tau lub hauv paus ntawm lub suab nrov tsis zoo. Koj tuaj yeem tsim suab nrov siv "tus cwj pwm coj qhov hluav taws xob" (bv) thiab koj tuaj yeem hloov nws tawm thiab siv qhov "hloov hluav taws xob tswj" (sw). Kev siv cov tiv thaiv bv los tsim suab nrov cuam tshuam nrog qhov ntsuas hluav taws xob raws li tus qauv. Cov mis rau tsim suab nrov zoo li no: V = dawb (lub sijhawm*X)*Y Kev ua haujlwm dawb tsim qhov hluav taws xob tsis sib xws ntawm -0.5 thiab +0.5 V siv lub sijhawm tam sim no tus nqi raws li cov noob. Teeb Y rau 2 muab qhov +/- 1V viav vias. Teeb X nruab nrab ntawm 1, 000 (1e3) thiab 100, 000 (1e5) cuam tshuam rau lub suab nrov ntawm lub suab nrov thiab hloov pauv lub suab. Qhov tswj qhov hluav taws xob tseem xav tau qee qhov tsis raug teeb tsa hauv. Koj tuaj yeem siv ntau qhov ntsuas qhov ntsuas hluav taws xob thiab ntau cov qauv hais los ua kom txhua tus coj txawv yog tias koj xav tau. Koj yuav tsum qhia tus simulator "on" thiab "off" resistances thiab qhov pib qhov hluav taws xob uas nws hloov pauv. Vh yog "hysteresis voltage". Teem nws rau qee qhov txiaj ntsig zoo li 0.4V thiab yuav tsis muaj suab nyem thaum lub qhov qhib qhib thiab kaw. >>> Hloov tshiab: ntawm no yog txoj hauv kev yooj yim dua los ua lub suab nrov los ntawm lub qhov rooj- tsuas yog sib zog ua suab nrov los ntawm lub zog source- saib easy_gated_noise.asc, hauv qab no.

Kauj Ruam 6: Tswb, Nruas, Cymbals, Plucked Strings

Tswb, nruas, suab paj nruas, thiab cov hlua plucked yog txhua qhov cuam tshuam. Lawv muaj lub sijhawm nce nrawm dua thiab lub sijhawm nthuav dav zuj zus. Cov no yog ib qho yooj yim los tsim siv sine thiab tus cwj pwm kev siv hluav taws xob ua ke nrog qee qhov yooj yim circuits. Look ntawm qhov schematic "bell_drum_cymbal_string.asc". Cov khoom siv hluav taws xob pulsed nrog tus tiv thaiv, lub tshuab hluav taws xob thiab lub diode tsim kev nce nrawm thiab qeeb qeeb nthuav tawm qhov kev hloov pauv qhov xav tau. Cov tso tawm hluav taws xob hloov kho cov txiaj ntsig ntawm kev coj tus cwj pwm teeb tsa ua suab nrov lossis suab paj nruag sine. Thaum cov khoom siv hluav taws xob tau nce siab nws tsub tus nqi hluav taws xob sai. Tus capacitor mam li tawm los ntawm tus tiv thaiv. Lub diode khaws qhov hluav taws xob los ntawm kev tso lub capacitor thaum qhov hluav taws xob qhov hluav taws xob nyob ntawm xoom. Qhov loj dua qhov ntsuas tus nqi nce lub sijhawm tso tawm. Koj tuaj yeem hais qhia lub sijhawm sawv ntawm qhov chaw pulsed - cymbal yog qhov chaw zoo nrog lub sijhawm nce ceev heev. Lub nruas tseem yog lub suab nrov uas ua haujlwm qis dua thiab muaj sijhawm qeeb qeeb. Lub tswb thiab txoj hlua siv sine wave qhov chaw uas tau hloov pauv los ntawm cov khoom siv pulsed ib yam nkaus. Lub tswb ua haujlwm ntawm qhov ntau dua thiab muaj sijhawm nrawm dua li txoj hlua. Koj simulation thiab mloog qhov tshwm sim. Nco ntsoov tias lub nruas tshwm hauv ob txoj hauv kev thaum txhua lub suab nrov yog ob sab xis lossis sab laug. Ob lub resistors ntawm lub nruas tso tawm yog lub luag haujlwm tso lub suab rau hauv ob txoj hauv kev.

Kauj Ruam 7: Muab tag nrho ua ke

OK, tam sim no koj tau pom yuav ua li cas thiaj tsim tau qee lub suab thiab yuav ua li cas thiaj tsim lub hnab ntawv thiab zaus hloov kho lawv. Tam sim no nws yog lub sijhawm los muab ob peb qhov sib txawv los ua ke hauv ib qho txheej txheem thiab tsim qee yam txaus siab los mloog. Koj yuav ua li cas thiaj tau txais lub suab nrov ntawd los rau hauv kev sib xyaw ntawm 33 vib nas this? Koj qhib lub tswb nrov li cas ntawm 16 vib nas this, tom qab ntawd tua nws, tom qab ntawd qhib nws dua ntawm 42 vib nas this? Ib txoj hauv kev yog siv tus cwj pwm qhov hluav taws xob los ua lub suab uas xav tau tom qab ntawd qhib nws thiab tawm los ntawm kev sib ntxiv lub suab tsim hluav taws xob los ntawm lwm qhov hluav taws xob uas tig lub suab rau thiab tawm, raws li tau ua tiav hauv bell_drum_cymbal_string.asc. Koj tuaj yeem ua cov khoom ib yam kom ploj suab hauv thiab tawm. Qhov tswv yim ntawm no yog teeb tsa cov suab rov qab siv cov peev txheej ntxiv los ntxiv cov suab rau koj cov lus sib xyaw ntawm lub sijhawm xav tau los ntawm kev sib zog lawv cov suab nrov los ntawm lub suab nrov. Koj tuaj yeem suav nrog ntau qhov hluav taws xob hauv lub suab kawg tso tawm raws li koj xav tau, tsuas yog khaws cia sib ntxiv rau lawv (tib yam li qhov laj thawj "thiab") ua ke. Los ntawm kev pib lub suab nrov tag nrho ib zaug lawv yuav nyob ua ke tau zoo nyob thoob plaws hauv kev sib dhos yog li lawv yuav tsis nyob ntxov lossis lig nyob rau lub sijhawm ntawm cov nkauj. Muaj ob lub tswb nrov, ib qho hauv txhua lub channel. Cov mem tes_bell qhov hluav taws xob ua haujlwm thoob plaws qhov simulation tab sis lub suab tsuas yog tshwm hauv qhov tso tawm thaum V (tswb_r) thiab V (tswb_l) tsis sib npaug rau 0.

Kauj Ruam 8: Ramp nthuav tawm

Hloov kho 7/10- nqes mus rau hauv qab Ntawm no yog lub Circuit Court uas tsim cov lus qhia nthuav dav siv rau ib khub ntawm cov suab nrov. V1 thiab V2 tsim cov kab sib tw uas pib ntawm 0 thiab nce mus rau X volts (sab laug channel) thiab Y volts (txoj cai channel) nyob rau lub sijhawm prd_l thiab prd_r. B1 thiab B3 siv tus lej txhawm rau hloov pauv txoj kab nqes mus rau qhov nce ntawm qhov nce nrog qhov siab tshaj plaws ntawm 1V. B2 thiab B4 tsim cov suab nrov tsis zoo uas yog qhov hloov pauv tau los ntawm cov lus piav qhia nrawm thiab los ntawm kev ntsuas amp_l thiab amp_r (kev tswj hwm qib yooj yim). Kuv tau txuas ib qho mp3 cov ntaub ntawv tsim los ntawm Circuit no kom koj tuaj yeem hnov lub suab zoo li cas. Tej zaum koj yuav tau hloov npe cov ntaub ntawv kom nws mus ua si. X thiab Y teeb tsa qhov ntsuas hluav taws xob ntawm txoj kab sib tw. Thaum kawg ob txoj kab kev sib tw tau nce mus rau 1V, tab sis los ntawm kev teeb tsa X thiab Y koj tuaj yeem tswj hwm qhov nrawm ntawm qhov nce zuj zus. Ib tus lej me me zoo li 1 muab ze li ntawm txoj kab nqes hav, thiab tus lej loj zoo li 10 muab txoj kev nthuav dav nthuav dav. Lub sij hawm ramp tau teeb tsa siv tsis prd_l thiab prd_r. Lub sijhawm nce toj nce toj tau teeb tsa rau prd_l lossis prd_r tus nqi rho tawm 5 ms, thiab lub sijhawm poob yog teev rau 5 ms. Lub caij nplooj zeeg ntev-ntev tiv thaiv kev nyem qhov kawg ntawm txhua txoj kev nce toj raws li qhov dav tau rov qab los rau xoom.out_l thiab out_r yog cov khoom lag luam ntawm lub sijhawm ua raws lub suab nrov nrov tsis zoo, qhov nce ntawm qhov nce ntawm qhov hluav taws xob, thiab qhov ntsuas amp_l thiab amp_r. Nco tseg txoj cai channel random suab nrov siv qhov sib txawv "noob" dua li cov channel sab laug. Qhov ntawd ua rau lub suab nrov hauv txhua cov channel random thiab sib txawv ntawm cov channel sib txawv. Yog tias koj siv tib lub noob, tib lub sijhawm tus nqi koj yuav tau txais tus nqi zoo ib yam thiab lub suab yuav xaus rau hauv nruab nrab es tsis txhob hnov qab tias yog ob qhov chaw sib txawv, ib qho hauv txhua lub channel. Qhov no tuaj yeem yog qhov ntxim nyiam ua si nrog… Hloov kho tshiab: ceeb toom tias cov yoj yoj mus los ntawm 0V mus rau qee qhov txiaj ntsig zoo. Nws yog qhov zoo dua rau qhov hluav taws xob kom viav vias ntawm qhov sib npaug zoo thiab qhov tsis zoo. Kuv rov ua cov txheej txheem los ua qhov ntawd tab sis nws nce qhov nyuaj ntawm qhov kev ua zauv uas piav qhia qhov yoj me ntsis. Rub tawm exponential_ramp_noise.asc (nco ntsoov tias Instructables server yuav hloov lub npe thiab txuas ntxiv thaum koj khaws nws).

Kauj Ruam 9: Kev nthuav tawm Ramp Siv rau Sine Wave

Nplooj ntawv no qhia pom yuav siv qhov kev nthuav tawm ntawm cov kauj ruam dhau los txhawm rau hloov pauv qhov sine qhov twg (qhov tseeb, sine thiab cosine). Tus cwj pwm qhov hluav taws xob tau siv los tig txoj kab sib dhos mus rau qhov kev nthuav dav nthuav dav uas ua rau FM cov tswv yim ntawm cov khoom siv hloov pauv 2. Mloog cov ntawv piv txwv- nws suab zoo li coj txawv txawv.

Kauj ruam 10: Cov lus pom zoo

1) Koj tuaj yeem sib txawv lub sijhawm simulation - ua kom luv dua thaum koj tab tom ua si nrog cov khoom thiab thaum koj tau txais lub suab uas koj nyiam, tom qab ntawd teeb tsa lub simulator kom khiav 30 feeb (1800 sec) lossis ntev npaum li cas koj nyiam. Koj tuaj yeem luam cov kab hluav taws xob los ntawm ib nplooj ntawv mus rau lwm qhov thiab koj tuaj yeem tsim cov subcircuits kom koj tsuas tuaj yeem txuas me ntsis cov qauv hluav taws xob ua ke zoo li siv lub rooj sib tham ntawm lub tshuab hluav taws xob tiag tiag. 2) Tus lej CD tus nqi yog 44.1 ksps. Yog tias koj khaws sijhawm ntau tshaj plaws-nqis mus rau 20 peb koj yuav tau txais qhov "huv" tso tawm vim tias qhov kev sim yuav muaj cov ntaub ntawv muaj rau txhua tus qauv tshiab. Yog tias koj siv sijhawm me me-kauj ruam kev sim yuav qeeb thiab tej zaum yuav tsis muaj qhov cuam tshuam rau lub suab. Yog tias koj siv sijhawm ntev-kauj ruam koj yuav hnov qee lub npe tsis zoo uas koj yuav lossis tsis nyiam. 3) siv.save cov lus sib tham ntawm koj lub tswv yim thiab thaum koj ua qhov simulation thiab xaiv tsuas yog ib qho ntawm qhov hluav taws xob lossis cov dej ntws kom ua rau qhov loj ntawm the.raw cov ntaub ntawv me me. Yog tias koj tsis xaiv, TXHUA qhov hluav taws xob thiab qhov tam sim no yuav raug cawm thiab.raw cov ntaub ntawv yuav tau txais loj heev. 4) sim siv qis heev kom hloov pauv ntau zaus ntau dua 5) sim siv ntau zaus los hloov qis qis dua. 6) sib txuas cov txiaj ntsig los ntawm qee qhov peev txheej qis nrog qee qhov peev txheej siab los ua tej yam ntxim nyiam. 7) siv cov khoom siv hluav taws xob pulse los hloov pauv sine lossis lwm qhov chaw los muab kev sib dhos. 8) siv cov khoom sib txuas sib piv los hloov qhov hluav taws xob rau hauv ib yam uas koj xav tau. 9) siv cov zauv zauv los txheeb xyuas cov txiaj ntsig ntawm tus cwj pwm qhov hluav taws xob qhov chaw Muaj kev lom zem!