Lexicon PCM 80 инструкция обслуживания

User Gu ide Digital Effec ts Processor PCM 80[...]

Lexicon Inc. 3 Oak Par k Bedford MA 01730-1441 Telephone 781-280-0300 Fax 781-280- 0490 Lexicon Part # 070-11263 Rev 1 Copyright  1997 All Rights Reserved. Unpa cking and Inspection Notic e This equipment generates an d uses radio fre quency e nerg y an d if no t installed and used properly, that is, in strict a ccorda nce with the manufacturer&[...]

User Gu ide Digital Effec ts Processor PCM 80[...]

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Contents Introduc tion 1. Product Overview Block Diagram ................. ................................................................... 1-1 Front Panel Overview ......................................................................... 1-2 Rear Panel Overview .......................... ................................................ 1-3 Inst[...]

Contents, cont'd. 3. The Algorithms and their Parameters About the Algorithms ....... ................................................................... 3-1 The 4-Voice Algorithms .... .................................................................. 3-2 The Reverb Shell .......................................................................[...]

5. MIDI Operatio n Selecting a MIDI Channel ................................................................... 5-1 Controlling PCM 80 Tempo Rate with MIDI Clock .............................. 5-2 MIDI Tempo Control • Using the PCM 80 as a MIDI Control Source • Slaving two or more PCM 80s Controller Quirks ........ .............................[...]

The Presets Thank you for your purchase o f the PC M 80, one of Lexicon’ s most powerful and versatile digital effects processors. The PCM 80 brings you exciting new effects with extensive processing an d control capabilities, and uncompromisi ng sonic clarity. The P CM 80 contains a built- in li brary of 200 preset programs that pr ovide a compr[...]

Tempo can b e set and d isplayed in e ither rhythmic value or time va lues. Ma ny presets, particularly the Rhythmic E cho & Delay Effects in Program Bank P 1, have delay times a ssigned to Tap tempo. T ry loading some of these and pressing Tap twice in r hythm to change tempo. An eno rmous ra nge of e diting control is p rovided fo r e ach a l[...]

1-1 Product O verview 1 Product Overview Blo ck Di ag ram[...]

Lexicon PCM 80 User Guide 1-2 Up/Down Press to m ove up and down through a pro - gram, register, or p a- rameter matrix. Program Banks Enables se lecti on of factory presets. Press r ep e a te dl y t o cy c l e selection of 4 internal pre set ba nks . Pr ess and hold to display the name of t he cu rrent bank. Load/ ✽ In Program or Regis- ter m od[...]

1-3 Product O verview The Rear Panel AC Power St a n d ar d 3 -p i n I E C power connector. 100- 240V, 50-60Hz auto- matic switching to cor- rect voltage range. MIDI IN Recei ves M IDI infor - m a t i o n f r o m o t h e r MIDI equipment such as m a s te r k e yb o a r d controllers, MIDI foot c on t r o l l er s , s e qu e n - cers and synthesizer[...]

Lexicon PCM 80 User Guide 1-4 Installation Notes Mounting The PCM 8 0 i s equi pped with a 3-pin IE C power co nnector and detachable cord. The PC M 80 will ope rate with power sources from 100 to 240 volts A C, 50-60Hz. Power switching to actual line voltage is automatic. Power Requirements Audio C onnections Analog Audio For best performance, mai[...]

1-5 Product O verview The PC M 8 0, with both analog and digital input and o utput connections, requires some attention to proper sett ing of signal level. Analog i nputs ar e first gain-conditioned by the re ar panel inpu t gain switch, and then by th e f ront p anel INPUT knob. Proper set ting of both th e switch and knob are important f or best [...]

Lexicon PCM 80 User Guide 1-6 Setting An alog and Digital Input Level 1. Press Con tr ol . 2. Press Up or Down until the leftmost digit in t he lower lefthand cor ner o f the display is 0 . 3. Tur n S ELECT to 0.2 Dig In Lvl , and turn A DJUST to display 0%. NOTE: If you are n ot running d igital audio, controlled b y E xternal Clock, into the PCM [...]

1-7 Product O verview Effects Send (R) Effects Send (L) Channel Input or Effects Return (L) Channel Input or Effects Return (R) Configurations Connect ion to a mixing console' s effects sends If you will be using a PCM 80 as your primary effects unit, and your syste m includes a console with o ne or more auxiliary (effects) sends, connect th e[...]

Lexicon PCM 80 User Guide 1-8 You can use Mem ory cards to store as many as 23 50 PCM 80 reg isters (4 7 banks of 50 — on a 1 Meg card). Registers stored on a properly for matted card will be recognized whe never the card is inserted, and can be accessed via th e front panel Regis ter Banks button, exactly as internal registers. Memory car ds can[...]

2-1 Basic Ope ration 2 Basic Operation The PC M 80 provides a wide range of cont rol over an extra ordinary set of reverb and modulation effects. A ll of the controls are easily accessed from the front panel and a re described in detail in this sect ion. The PCM 8 0 has five basic m odes o f operation, each of which is sele cted by pressing a front[...]

Lexicon PCM 80 User Guide 2-2 All of the controls available in a mode are arranged i n a matrix of up to 10 columns (numbered 0-9) and 1 0 rows (e ach numbered .0- .9). This arrangment allows any one of a s ma ny as 100 parame ters to b e select ed simply by using th e SE LECT knob and th e Up and Down bu ttons to select a position in the matrix. N[...]

2-3 Basic Ope ration Info The PCM 80 offers an ext ensive set of informative display messa ges which can be activated from the fr ont panel. The front panel switches perform various functions when pressed. Most of these functions are act ivated on release of the button. If you want to know mo re about the fu nction o f a particular b utton (without[...]

Lexicon PCM 80 User Guide 2-4 Control Mode Selections o f various system st ates and conditions are mad e in Contr ol Mod e. Press Con tr ol to enter this mode. T he Con trol button L ED will light to indicate that th e mode is active. Note that Control Mod e funct ions are n ot available when the Compare functio n is active. The Control Mode matri[...]

2-5 Basic Ope ration When E xternal clock is first selecte d, the PCM 80 wi ll repeatedly tr y to establish lock. You can choose to have any subsequent in terruptions of the incoming digital au dio signal dealt with in one of two ways. An Auto Lock feature allows you to ch oose to have th e PCM 80 a ttempt to re -establish lock, or no t. ( See 0.3 [...]

Lexicon PCM 80 User Guide 2-6 SlipSample: Indicates that a single sample is m isaligned with the window defined by the Word Clock. This may occur when an external master changes sample rate, or when it is just powering up, but should not occur in normal operation. CRC: Indicates a Cyclic Redun dancy Check error in the incoming data. Parity, Biphase[...]

2-7 Basic Ope ration If digital a udio is inte rrupted b y lock or r ange errors, or by transmission o f non - audio data, the digital input wi ll be muted. Whenever this occurs, the P CM 80 remains functio nal, while an error messa ge, such a s those shown below, is displayed. Error : Out Of Range (Press any button) Error : Lock (Press any button)[...]

Lexicon PCM 80 User Guide 2-8 0.5 Emphasis Bit The Emphasis control allows you to exp licitly set the emphasis "flag " in the digita l audio, or to pass a long the incomi ng sign al without ch anging its e mphasis coding. (The PCM 80 d oes not perform any e mphasis or de -emphasis as part of its si gnal processing.) The choices available [...]

2-9 Basic Ope ration 1.2 Tempo Mode The PCM 8 0 gives yo u an e xciting new a pproach to working with delay times and modulation pa rameters. Now you can set these pa rameters in beats , allowing you to control your effects in a comp letely m usical wa y. E ach PCM 80 effe ct has its own T empo parameters, with tempo settings stored as an integ ral[...]

Lexicon PCM 80 User Guide 2-10 1.5 Mem Protect The P CM 80 pr ovides a memory pro tection feature to p revent accide ntal overwriting of your stored effects. When this control is set to On , pressing the front panel S tore button will cause an error message to be displayed. T o enable the Store fun cti on, turn ADJUST to select Off . 1.6 Auto Loa d[...]

2-11 Basic Ope ration Row 2 Card 2.0 Bank Copy This control allows you to cop y banks of effects from one location to another. Banks can be copied internally, or to an d from PCMCIA Memory Cards. Try, for example, copying Preset Bank 0 into the internal Register Bank. 1. Press Sto re . The following display will appear b riefly. The display will th[...]

Lexicon PCM 80 User Guide 2-12 2.2 Format This con trol allows yo u to for mat a Memory Card for PCM 80 use. Pre ss Store and inse rt an unformatted card (or one yo u don 't m ind er asing). Make su re the Write Prote ct latch on the card is set to Off. Press Store . Th e display will ask "Are you su re?" (Press STORE). P ress Store [...]

2-13 Basic Ope ration Pgm+ and Pg m – , are a vailable as su bparameters in each location. Pgm+ will load th e next higher effe ct in the current ba nk, map , or chain. Pgm – will loa d the next lower effect. You can se lect the fo llowing sources to activa te Pgm+ and Pgm – : Off Footswitch 1 Footswitch 2 • • • MIDI Controller #119 On [...]

Lexicon PCM 80 User Guide 2-14 To load a specific P rogram C hain, without sen ding the PCM 80 a MIDI Program Change message, use ADJUST to display the desired chain nu mber. 3.4 Au tomation This control is pro vided fo r com munication with o ne o r mo re addition al PCM 80s. Select On to have values resulting from front panel o perations se nt o [...]

2-15 Basic Ope ration Control Mode Matrix Location System Parameter Default Setting Audio 0 .0 Word Clock Internal 48kHz 0.1 Anal og Lvl 100% 0.2 Digital Lvl 0% 0.3 Auto Lock Off 0.4 SCMS Multi Copy 0.5 Emphasis Bit Pass Thru 0.6 Output Level +4dBu System 1.0 Edit M ode Go 1.1 Mix Mo de Pgm Global Mix Value 100% Wet 1.2 Tempo Mode Pgm Global Tempo [...]

Lexicon PCM 80 User Guide 2-16 Row 5 Mapx Row 6 Chain The P CM 80 has 10 internal pr ogram chains, numbered 0-9. (Ten additional chains ar e availab le if a re gister ca rd is inser ted.) Each chain is m ade up of 1 0 "links" (numbered 0-9). Y ou can assign any program or register to an y li nk in the chain. A cha in can b e load ed with [...]

2-17 Basic Ope ration The PCM 80 has 4 Program Banks, each with 50 factory-designed programs A Register Bank provides 50 memory locations for storing your own effects. All PCM 80 programs have one or more parameters patched to the ADJUST knob. In Program Banks or Register Banks mode, turn ADJUST to change the sound of the currently running effect. [...]

Lexicon PCM 80 User Guide 2-18 In the Program and R egister Banks, A DJUST is a Soft K nob. E ach of th e fa ctory- designed programs has one or more parameters pat ched to this knob, pr oviding a quick wa y to make useful changes to the ef fect. For example, in P0 0.0 Prime Blue , ADJUST varies the mix of Chorus, Echo and Reverb effects. The ■ s[...]

2-19 Basic Ope ration Tempo Mode The PCM 80 gives you unique control ove r tempo. In the PCM 80, tempo is not just a matter of setting echo rates. Any delay parameter (as many as 10 i n some effects) and any time-based modulator (LFO, Sw1 and Sw2) can be individually assigned to an absolute time value, or assigned to a tempo value. For exa mple, a [...]

Lexicon PCM 80 User Guide 2-20 Press Te mpo to access the following tempo parameters: Simultaneously press Up and D own to re turn to 0.0 . An a s t e ri s k ( ✱ ) ac c o mp a n y i n g a p a r am e t e r nam e i nd i c a t e s t ha t th e r e a re subparameters available at that matrix location. The Load / ✱ LED will light whenever an asterisk[...]

2-21 Basic Ope ration Row 1 Tap 1.0 Tap Duration This control de termines how m any beats will occur in a tap i nterva l. Th e default setting (1 beat) i s proba bly adequate for most applications. W ith the default setting of 1 beat, if the te mpo is set to 120 bpm, a nd the beat va lue is set to quarter- note, each TAP = 1 quarter-note = 1 bea t.[...]

Lexicon PCM 80 User Guide 2-22 Editing an Effect With 10 algorithms and 20 0 preset effects, the PCM 80 gives you a lot to play with right ou t of the box. An enormous range of editing control is provided for each alg orithm, with pa rameters or ganized in a n e dit matrix o f a s many a s 100 main controls. In addition to pr oviding this powerf ul[...]

2-23 Basic Ope ration Each preset has a Soft Row of parameters which have been specifically selected to provide everything you need to play with the effect. This example shows the Soft Row for P0 0.0 Prime Blue . Soft Row parameters are derived from the full Edit matrix (with the exception of the Patch row). In the presets, they are arranged accord[...]

Lexicon PCM 80 User Guide 2-24 Compare Wheneve r you edit a PCM 80 effect from the front panel, the LE D in the Compare button will light. This lets you know that the e ffect has been altered since the last stor e op eration, and that the e dit compare function is active. Whenever this light is on, you can pr ess Compare to he ar the original versi[...]

2-25 Basic Ope ration Store Operations The PCM 8 0 is shipped with its Me mory Pro tection o ption o n. When you pr ess the front panel Store button, th e following message wil l be displayed: Mem Protect is on Store not active To turn Memory P rotection off , press C ontrol and use Up and Down and SELECT to display matrix location 1.5. The display[...]

Lexicon PCM 80 User Guide 2-26 Renaming the Effect Selecting a Bank and Regis ter Location Press L oad/ ✱ to move the asterisk to the Register B ank ID. Renaming an effect is straightforward. W ith th e aste risk and the cursor posi- tioned as shown, turn A DJUST to select a n ew character. Press Up or Do wn to select a n ew type of cha racter (u[...]

2-27 Basic Ope ration Concert Hall Plate M-Band+Rvb Setting Edit Mode to Pro (Cont rol M ode 1.0) gives you a ccess to the full parameter matrix of the algo rithm for any loaded effect whe never you press the front panel Edit button. To sele ct any param eter f or ad justment, use SELE CT to m ove ho rizontally across the mat rix and the Up and Do [...]

Lexicon PCM 80 User Guide 2-28 Creating a Soft Row In Pro mode you still ha ve co mplete access t o the S oft Row, which appears above r ow 0 of the fu ll edit matrix. The parame ters assign ed here are duplicate s of selected parameters in the m atrix and can be adjusted f rom Row S (Soft Row), or from their matrix location. The following example [...]

2-29 Basic Ope ration When you release the Edit button, the d isplay will chang e to the Soft Row Assignment display shown below. The E dit b utton LED will begin flashi ng and will continue to flash as long as you are in Soft Row Assign. Here we show the first Soft Ro w par ameter in our exa mple — th e actual Soft Row parameter selected w ill c[...]

Lexicon PCM 80 User Guide 2-30 Patching Patching i s the ability to assign a control (Source) to any PC M 80 pa rameter (Destinat ion). T his allows you to a lter the value of the pa rameter b y manipulating the control Source. For exa mple, yo u can select the f ront panel ADJUST knob as a Sour ce and an effect's Mix par ameter as a Destinati[...]

2-31 Basic Ope ration Assigning a Source Thr ee type s o f sour ces are a vailable: In ternal, MI DI and M IDI Controller. These types ar e indicated in the Source list b y the lab els: Int , MIDI , o r a nu mber ( 00 1- 119 ). Turn ADJUST to scroll through the entire list of available sources. LFO Sine Cosine Square Sawtooth Pulse Triangle Env L E[...]

Lexicon PCM 80 User Guide 2-32 Tur n ADJUST to scroll through all of the pa rameters in the Edit matrix of the currently loaded ef fect, including the Modulation parameters. Once you h ave a ssigned a pa rameter as a D estination, the con troller you have assigned “owns” that p arameter. A djustments m ade to this p arameter fro m the Edit matr[...]

2-33 Basic Ope ration Once you have assigne d a Destin ation, press Load / ✱ to get to th e Value s display. Assigning Values ✱ 000: Off Patch 0 Values Src value s are shown here. The asterisk ( ✱ ) indicates that this field is available for con trol with the A DJUST knob (and that a dditional p arameters ar e a vailable by pressing Lo ad / ?[...]

Lexicon PCM 80 User Guide 2-34 Fro m the Patch row Dst selection display: • Press Edit to jump to the E dit controls for the parameter you have selected as the Destination. You wi ll h ave complete a ccess to all p arameter con trols, including a ny su bparameters a t that locatio n. Press Edi t aga in to re turn to the Patch row. Fro m the P atc[...]

2-35 Basic Ope ration Patch 1 ✱ Dst ✱✱✱ Unassigned ✱✱✱ Press Lo ad/ ✱ to bring up pa tch Destinations for selection. The display sho uld show that Destinat ion is unassi gned. The ADJUS T knob will now scroll through all of the ava ilable p arameters of EkoChorus . The lower li ne of t he display will show t he edit matrix row label[...]

Lexicon PCM 80 User Guide 2-36 Continuing the p revious exampl e, we’ll adjust the rate of the LFO by jumping to it from the Patch row. Press Lo ad/ ✱ repeatedly to return to the P atch 1 Source selection disp lay. Adjusting the mod ulation source parameters Int LFO Patch 1 ✱ Src ■ Mod : LFO ✱ Rate 8.0 0.21 Hz The d isplay now sh ows posi[...]

2-37 Basic Ope ration Let’s modify the patch further by adjusting th e Destination values to a m ore useful range. Press Lo ad/ ✱ repeatedly until the Patch 1 Values screen is displayed. Chan ging the default destina tion values Patch 1 Values ✱ 000 –360 MONO Notice that the ✱ is to the le ft of the Source value. This ind icates t hat the[...]

Lexicon PCM 80 User Guide 2-38 So far, ou r exam ple use s only two pa irs of pa tch values. The De stination parameter moves linea rly between the value assigned at 000 and the value asssigned at 127. You can watch this change by displaying the Destination paramet er. H ere’s how to jump direct ly to it from the patch: Press Lo ad/ ✱ repe ated[...]

2-39 Basic Ope ration Press Load/ ✱ to bring up t he Values display. The last valu e edited will be displayed, so you will see eithe r the minimum or maximum value. Patch 1 Values 127 : ✱ +90 L-R, R-L Patch 1 Values ✱ 000 +0 MONO OR By adding this pivot point, we have put a “kink” in the patch. The value o f the Destination parameter no l[...]

Lexicon PCM 80 User Guide 2-40 If you cre ate two or more patch es wi th th e sam e Destination, the D estination value will be the sum of all of the patches assigned to it. For example, if Pedal a nd ADJU ST are b oth assi gned t o Mix, the Mix value w ill be the sum of the patch Destination va lues fo r th ose two patches. W hen cr eating multipl[...]

3-1 The Algorithms and Their Parameters 3 The Algorithms and Their Parameters There are two ge neral cl asses of algorithm: 4- Voice and 6 -Voice. Th e 4-Voice algorithms: Conce rt Hall, P late, Ch amber, Inve rse an d Infinite each co mbine a specific type o f reverb w ith a 4 -voice, g eneral purpose stereo " effect to olbox" which we c[...]

Lexicon 3-2 PCM 80 User Guide The 4-Voice Algorithms The Reverb Shell Each of the 4-Voice algor ithms share a common set of controls and parameters built around one of five stereo reverb effects: Concert Hall, P late, Chamb er, Inverse and Infinite. T he diagram below shows these common contro ls and parameters as they are structured around a rever[...]

3-3 The Algorithms and Their Parameters This a lgorithm em ulates a real concert h all. The reverberation is very clean, and designed to remain behind the d irect sound — add ing amb ience, but lea ving the source unchanged. This effect has a re latively low initial echo density which builds up gra dually over time. Concert Hall[...]

Lexicon 3-4 PCM 80 User Guide The Plate algorithm mim ics t he soun d of m etal plat es, with high initial diffusio n and a re latively bright sound. T his makes them a good choice f or e nhancing any type of percussion. Plate[...]

3-5 The Algorithms and Their Parameters The Chamber algo rithm produces an even, relatively dimensionless reverbera- tion, w ith little change in co lor as the sound decays. The initial diffusion is si milar to the Concert Hall algorithm, but the sen se of sp ace and size is m uch less obvious. This characteristic, along with t he low color in the [...]

Lexicon 3-6 PCM 80 User Guide Inve rse The Inverse al gorith m allows you to va ry the slope of the initial por tion of the reverb enve lope. The slope can decay, remain level, or rise over a variable time interval. W hen the time i nterval i s up , the reverberation cut s off ab ruptly. The resulting effect is similar to a ga te, but i s no t at a[...]

3-7 The Algorithms and Their Parameters Infinite Infinite is a coustically similar to the Chamber algorithm, with the addition of an Infinite parameter . When this parameter is turned o n, the i nput to the reverberat or ramps off. (Note t hat this still allows the Reverb Shell to be utilized.) With Infinite on, the reverb ta il r emains constant, [...]

Lexicon 3-8 PCM 80 User Guide The 6-Voice Algorithms Each 6-Voice algorithm is a combination of a specific 6 -voice ste reo e ffect an d a spec i fi c rev erb effe c t. The s e algor ith ms: Gli de> H al l, Choru s +R v b, M-Ba n d+R v b, Res1>Plate and Res2>Plate are each optimized for a particular class o f aud io processing e ffects in [...]

3-9 The Algorithms and Their Parameters A stereo pair of 2-tap gliding delays fe eds six individually adjustable delay voices. Each vo ice has its own level, feedback, delay, cross-feedback, and pan parameters. Th e output o f these delay vo ices is fed int o a Con cert Hall r everb algorithm. Glide>Hall is usefu l f or creating su ch effe cts a[...]

Lexicon 3-10 PCM 80 User Guide The Chorus e ffect has six separ ately ad justable voices — allowing the PCM 80 to sound like a rack of six digital delay boxes. E ach voice has its own independently adjustable chorus depth and rate, level control, de lay time, feedback and panning control. The 6-voice chorus is in parallel with a plate algorithm, [...]

3-11 The Algorithms and Their Parameters Chorus +Rvb cont' d.[...]

Lexicon 3-12 PCM 80 User Guide This effect features six separately adjustable voices, ea ch with its own level control, delay t ime, low and high fre quency filters, feedback and pan controls. The mu lti-band effect is in parallel with a Chamber effe ct, providing independent stereo effects. Note that the Di ffusion para meter (Rvb Design 2.1 ) is [...]

3-13 The Algorithms and Their Parameters M-Band+Rvb cont 'd.[...]

Lexicon 3-14 PCM 80 User Guide The Resonant C hord effects use impulsive energy at the inputs to excite six resonant voices (notes). The level, pitch, duration, and high-frequency cut off of the overtones for each voice are sep arately controllable. Each voice can be panned i ndependently. The voices resonate to some degree with any input, but the [...]

3-15 The Algorithms and Their Parameters Res2>Plate The Reso nant Chor d Algorithms: Res1>Pla te and Res2>Pla te cont' d. Res1>Plate[...]

Lexicon 3-16 PCM 80 User Guide The P arameters PCM 80 par ameters are org anized into l abeled rows within each edit matri x. Although there are similarities among all matrixes, such as having a row of Controls f irst, and Modulation a nd Patching rows last, some o f th e parameters within each row, and some en ti re rows are uniqu e to specific al[...]

3-17 The Algorithms and Their Parameters Row 0 of every algorithm contains parameters tha t p rovide overall control of both the r everb and voi ce effe cts. Mix Mix controls the r atio of dry and wet signal present at the PCM 80 outputs. When the PCM 80 is patched into a console or an instrument amplifier through an auxiliary o r effects loop, thi[...]

Lexicon 3-18 PCM 80 User Guide FX Width FX Width can be tho ught of as a n extension of typical mon o to st ereo imaging controls. The range of this parameter is -360 to +360, in single d igit increments. Values of - 360, 0, or +360 cause the e ffect's audio output to be mono. Value s of -315 an d +45 cause the output to be normal left/right s[...]

3-19 The Algorithms and Their Parameters In each algorithm, the Delay Tim e row conta ins parameters for delay settings of each voice, as well as master delay parameters for all voices. Master, GldResp, GldRange, Clear Press Load/ ✱ to cycle through selectio ns: Master , GldResp , GldRange and Clear . Master This con trol allows you to simultaneo[...]

Lexicon 3-20 PCM 80 User Guide Voices These parameters set th e delay tim e, in seconds, for each in dividual voice. The range for each algori thm is sh own be low, along with th e delay time a vailable with optional S IMMs m emory expa nsion fo r tho se 6- Voice algor ithms which make use of additional memory. Algorithm Delay Time Expanded Delay T[...]

3-21 The Algorithms and Their Parameters Parameters in this row pr ovide level and p hase setting fo r feedback o f individual voices, as well as a maste r feedback p arameter for a ll voice s. In the Glide> Hall algorithm, a duplicate set of parameters is included for cross-feedback. Master A M aster F eedback con trol is ava ilable in effects [...]

Lexicon 3-22 PCM 80 User Guide In the M-Band+Rvb alg orithm, Row 5 con tains pa rameters for cu t-off frequen- cies of lo w and high cut filters for each voice, as well as m aster low and hi gh cut controls for all voices. Mstr LC/HC Two ma ster con trols ar e provided i n the first row position. Press Load/ ✱ to toggle betwe en th em. Th e High [...]

3-23 The Algorithms and Their Parameters X-Fbk L/R These parameters control the corresponding cross feedback levels of the left and right channel glide delays. S pecifically, X-Fbk L controls the fee dback from the left channel A+B glide delay output to the right channe l glide dela y feedba ck input. X-F bk R controls the feedback from the right c[...]

Lexicon 3-24 PCM 80 User Guide The Mo dulation row, which is the same for ever y algorithm, contains the parameters for th e PCM 80's inter nal modulation sources. Use the Patch row to assign these modulators to any PCM 80 effect paramete r. Mod: LFO Four parameters are available: Shape , P Width , Dept h , and Rate . Shape allows you t o sele[...]

3-25 The Algorithms and Their Parameters Mod: AR Env This e nvelope ge nerator's ou tput, when turned on, will go from 0 to1 27. How quickly it go es fro m 0 t o 127 is determined by the se tting o f Attack (0-10 seconds). Once the envelope generator has re ached 127, it remains there as long as i t is t urned on. When i t is tur ned o ff, it [...]

Lexicon 3-26 PCM 80 User Guide Mod: L atch The la tch is a ver y flexible mo dulation source. It can be use d to do such thin gs as derive a switch from a continuous “return to zero” source (like MIDI After Touch). It can tu rn a momentary (on/off) footswitch into a latching footswitch (push on/ push off), and i t ca n divide the sw itching rat[...]

3-27 The Algorithms and Their Parameters Mod: Sw 1 and Mod: Sw 2 These are ide ntical time switches. E ach ha s five parameters: Rate , P Width , Mode , T Lvl and T Src . Rate sets th e speed at which the switch cycles. It can be set in time values ( such as 1.5 H z) or tempo value s (su ch as 3:2 C y c les pe r Be a t ). Si mu l t a n eo u s ly pr[...]

Lexicon 3-28 PCM 80 User Guide A spe cial, comp osite ou tput of these sw itches, called Sw 1&2 is availab le as a patch so urce. T he va lue of S w 1 &2 alter nates b etween the o utput of Sw 1 and the ou tput o f Sw 2. Th e a lternation occurs o n the tr ansition from on to off. Note that both Sw 1 and Sw 2 must be active for the alternat[...]

3-29 The Algorithms and Their Parameters The la st r ow of each alg orithm's e dit matrix is the Patch row. T his row p rovides parameters for creating as m any as ten p atches in ea ch effect. Each row position (Patch 0- 9) h as three cont rols availab le: Src , Dst , an d Value s . Press L oad/ ✱ to cycle among these selections. Src Use AD[...]

Lexicon 3-30 PCM 80 User Guide Pitch T he Resonant Chor d algorithms: Res1> Plate and Res 2 >Plate each h ave a Pitch row tha t conta ins the parameters for setting and con trolling the tu ning of the effect's resonators. Each set of parameters is presented separately he re. Res 1>Plate Pitch parameters The voice reso nators take the [...]

3-31 The Algorithms and Their Parameters Res 2>Plate Pitch parameters The voice reso nators take the aud io imp ulse fro m a dela y vo ice and “ resonate” it at a d esired pitch. The Res2 effect is a “interval harmonization” pitch assign in that pitch changes generate interval pitches to be assigned to the six voice resonators. Position [...]

Lexicon 3-32 PCM 80 User Guide Rule Th is p arameter has fo ur values: Round Down, Roun d Up, Shift Down, and Shift Up. Its e xclusive purpose is t o tell the inter val harmonizer w hat to do with o ut-of-key pitch assign ments. T he values instruct the interval harmonizer as follows: Round Down Take t he input pitch assign, round it down a half-st[...]

3-33 The Algorithms and Their Parameters An example application of K ey, Scale, Root, Rule and Voice Pitch Intervals. Active resonators set to 3. The Key is C. The Scale is Major. The Root is 1. (C Major Ionian) Voice 1 Pitch is assigned to Unison. Voice 2 Pitch is assigned to +3rd. Voice 3 Pitch is assigned to +5th. (Basic tr iad) In-key pitch ass[...]

Lexicon 3-34 PCM 80 User Guide In the Re sonant Chord algorithms: Res1>Pl ate and Res2>Plate, this row contains high cut filter and resonance controls for each voice, as well as master high cut and resonance co ntrols for all voices. Mstr Res, Mstr HC Position 0 of the Resonance row contains two master parameters for the six resonator voices:[...]

3-35 The Algorithms and Their Parameters Shape, Spread In the Chamber a nd Infinite algorithms, S hape and S pread work together to control the overall ambience of the reverberation created by th e PCM 80. Shape determines t he contour of the reverberation e nvelope. Wi th Shape all the wa y down, reverberation builds explosively, and decays quickl[...]

Lexicon 3-36 PCM 80 User Guide The Reverb Time r ow, available in every algo rithm, contains parameters that affect the time-ba sed asp ects of the reverb effect. Mid Rt and Low Rt Mid Rt sets the r everb time fo r mid-frequency signals. Because low freq uency reverb time ( Low Rt) i s a multiplier of Mid R t, Mid R t acts as a master contro l for [...]

3-37 The Algorithms and Their Parameters You can set and display dela y val- ues in units of time, or with tempo values. Press Up and Tempo simul- taneously to to ggle between these two options. When time units ar e selected, delay tim es are set an d displayed in milliseconds ( From 0ms to the maximum available delay for that p arameter). When tem[...]

Lexicon 3-38 PCM 80 User Guide[...]

4-1 The Presets The P CM 80 has 200 factory-designed prese ts which are organized into four banks of 50 each (lab eled P 0 , P1 , P 2 and P3 ). Each bank is organized i n a matrix of 5 r ows of 10 . P ress the fro nt panel Program B an ks bu tton to display th e first bank. Pre ss it again to switch to another b ank. Simultan eously p ress Program [...]

Lexicon 4-2 PCM 80 User Guide Program Ba nk 0 (P0) Multi Effects (P0 0.0 – P0 1.9) 0.0 Prime Blue ADJUST: Efx/Rvb X 0–127 A combination of 3 stereo effects: 6 voice chorus, rhythmic echoes, and reverb. You can dial-in the exact proportion of each. As ADJUST is turned from 0 to 127 the effect smoothly changes from cho rus only , to chorus with e[...]

4-3 The Presets 1.2 Flange >Rvb ADJUST: FX Mix 0–100 This stereo effect feeds the output of a flanger into a concert hall reverb. ADJUST controls the m ix of dry and wet flanged audio. The Soft Row includes master delay and feedback parameters for adding echoes, as well as parameters for modulation and image control. 1.3 Flange+Rvb ADJUST: FX [...]

Lexicon 4-4 PCM 80 User Guide 2.4 Split C&E ADJUST: InputPan 0–100 The left input is processed into a lush 3-voice chorus with the voice panners adjusted from center to left. The right inpu t is processed into a rhythmic 3-voice echo with the output panned from center to right. ADJUST cross-pans the inputs. 0 = left/right stereo, 50 = mono, 1[...]

4-5 The Presets 3.6 Under Water ADJUST: DrownKnob 0–100 This effect really pulls you under! It will submerge any track under water. ADJUST controls the over all rate of the effect. 3.7 Thunder FX ADJUST: FlashTime 0–127 An unusual special effect that produces a rolling clap of thunder from a percussive source (tom toms , etc.) and ethereal swee[...]

Lexicon 4-6 PCM 80 User Guide 4.8 NoCenter Eko ADJUST: Center Fc 0–127 This is the same effect as Remove Center with delays added to the processed signal. It allows you to add echoes to the left and right material without affecting the mono material of a stereo mix or sub mix. For example, you can add additional echoes to a mix without affecting [...]

4-7 The Presets 0.7 Sliding Eko ADJUST: Slide It! 0 – 100 This stereo delay effect lets you dial in th e perfect “feel” to match the moment. Tw o echoe s are produced. One is fixed on the beat. The other can be slid in musical time anywhere in front of or behind the beat by turning ADJUST. 0-49 = in front of the beat, 50 = on the beat, 51–1[...]

Lexicon 4-8 PCM 80 User Guide 1.6 LatchedEkos ADJUST: EchoWidth 1 – 99 The inputs an d outpu ts of stereo delays are gated on and off by two rhythmic switches. The Latch is used to trigger the AR envelope, which in turn alternates the left and r ight delay outputs. ADJUST controls how long the inputs to the delays remain open over a period of fou[...]

4-9 The Presets 2.7 BandEkoSweep ADJUST: Mstr Fbk 0 – 100 A variation of BankEko Rvb. In this preset, the center frequency of the band pass filter is swept by the LFO producing echoes of shifting colors. Reverb and diffusion are turned off, but you can add them in from th e Soft Row. ADJUST controls master feedback for the left and right delays. [...]

Lexicon 4-10 PCM 80 User Guide 3.7 PhoneOrRoom? ADJUST: Pick One 0–1 Use ADJUST to choose between a mono telephone filter and a small room with stereo ambience. The Soft Row provides access to the filter controls as well as reverb design parameters. 3.8 CheapTV Room ADJUST: The Walls 1–10 This stereo preset simulates the sound of a Lo-Fi TV in [...]

4-11 The Presets 4.8 2WayTunnel ADJUST: Speed 1–100 This is a variation of IntoTunnel. The source approaches and enters the tunnel, then turns around and comes back. Use ADJUST to control the speed. 4.9 FinishLine ADJUST: Speed 1–100 This preset adds two pairs of stereo delays to the basic drive-by effect to simulate the 1st, 2nd, and 3rd place[...]

Lexicon 4-12 PCM 80 User Guide 0.8 BandReject 4 ADJUST: FX Mix 0–100 Three independent modulators are used to sweep filters and pan the outputs of th is preset. The result is an effect with constantly changing tonal and spatial characteristics. A touch of reverb adds some overall ambience. Use ADJUST to set the m ix of filters and reverb. 0.9 Waa[...]

4-13 The Presets 1.9 Too Deep! ADJUST: Decay 0–40 The left and right envelope followers control the post delay glides while the AR generator controls reverb width. ADJUST controls reverb decay. 2.0 Dyna-Hall ADJUST: Decay 0–130 A tamer version of Too Deep! No envelope chorusing. Good, beautiful, straight ahead, and spacious. 2.1 RotoRox ADJUST:[...]

Lexicon 4-14 PCM 80 User Guide 2.9 Spin & Duck ADJUST: Spin Rate 0–127 In this preset, panning is combined with 6-voice chorus delays and reverb to produce a rich spacious effect. ADJUST controls the panning rate. 0 = slow, 127 = fast. The delays are tempo controlled and ducked by input level. They won’t be heard during active passages, but[...]

4-15 The Presets 4.0 Pedal Swell ADJUST: FX Mix 0–100 This is a combination of four 400 ms delays, a slight amount of chorus, and just a hint of reverb. The foot controller is controlling the left and right input levels which allows you to get majestic volume swells. ADJUST controls the combination of delays and chorus with reverb. 4.1 Rez Climbe[...]

Lexicon 4-16 PCM 80 User Guide 4.7 LvlSweeper ADJUST: Color 0–24 This preset is driven by level. Any input that exceeds the input threshold will cause a little burst of resonators that quickly swirl through the stereo field. ADJUST controls the pitch range of the resonators. 4.8 Sweeper ADJUST: Pitch 0–24 This preset is a resonant arpeggiator i[...]

4-17 The Presets 1.1 Gate Chamber ADJUST: Du ration 0–64 Bright, moderatly dense reverb envelope with an abrupt cutoff. ADJUST sets the length of the gate. 1.2 Vox Plate ADJUST: Decay 0–30 Bright, straight ahead preset for vocals with some added strengthening reflections. ADJUST controls the reverb decay for just the right sound. 1.3 Good olPla[...]

Lexicon 4-18 PCM 80 User Guide 2.5 Plate4 Horns ADJUST: Impact 0–100 Bright and percussive for those horn tracks ne eding that certain edge. Use ADJUST to modify the attack and release characteristics. 2.6 Alley Slap ADJUST: Pre Delay 0–100 Great for any punctuated sound source — vocals, guitars, anything. Use ADJUST to match the delay to the[...]

4-19 The Presets 3.6 Dyna Vibrato ADJUST: Glide 0–127 Input level triggers a delayed vibrato. The vibr ato is created by modulating two pairs of gliding delays. ADJUST controls the offset between the delay pairs. Use it to thicken up the effect. You’ll find parameters to change the modulation depth and add reverb in the Soft Row. A nice effect [...]

Lexicon 4-20 PCM 80 User Guide 4.5 ADJToFreeze ADJUST: Freeze It 0–1 Click ADJUST to create an infinite stereo loop of the input source. Click it again to stop the loop. A little reverb is add ed while the loop is on. The loop size is tempo controlled. Change it on the fly by pressing Tap while the loop is off. The preset is set to freeze 1 beat,[...]

4-21 The Presets Alphabetical Index of Pres ets 2WayStreet P1 4.6 2WayTunnel P1 4.8 6 StrokeRoll P1 0.9 6 Vox Chorus P0 2.3 6 Vox Flange P0 2.6 ADJToFreeze P3 4.5 ADJToFreeze2 P3 4.6 ADJUpMyEchos P0 1.9 Alley Slap P3 2.6 AmbientCarBy P1 4.4 AutoFadeIn 1 P2 3.4 AutoFadeIn 2 P2 3.5 AutoFadeIn 3 P2 3.6 AutoInfinite P0 4.5 Backstage P2 1.7 BandEko Rvb [...]

Lexicon 4-22 PCM 80 User Guide[...]

5-1 MIDI Operation 5 MIDI Operation All PCM 80 para meters, programs and registers can be a ccessed b y MIDI. All MIDI applications require the P CM 80 to be connected with one or more MI DI devices with standard MIDI cables via the rear panel MIDI jacks. MIDI cont rols, such as Transmit an d Receive Channel selection are available in Control mode [...]

Lexicon 5-2 PCM 80 User Guide MIDI Out MIDI In PCM 80 Control 3.6 Int Clock set to Transmit On Tempo 0.2 Source set to Internal Tempo 0.0 Rate set with ADJUST or Tap Controlling PCM 80 Tempo Rate with MIDI Clock Using th e P CM 80 as a MIDI Clock Source MIDI Tempo Co ntrol MIDI Out (MIDI Clock) MIDI In PCM 80 Tempo 0.2 Source set to MIDI[...]

5-3 MIDI Operation MIDI In MIDI Ou t MIDI In MIDI Thru MIDI In MIDI Out (MIDI Clock) PCM 80 Tempo 0.2 Source set to MIDI The configuration be low shows the MIDI connections fo r con trolling the PCM 80 simultaneously with MIDI Clocks from a sequencer, and messages from ano ther MIDI con troller. N ote that the co ntroller is set to "local cont[...]

Lexicon 5-4 PCM 80 User Guide Some synth esizers an d cont rollers ca nnot send th e full ra nge of MIDI pr ogram change messa ges (1 -128). Others m ay appear t o be a ble to send o nly 32, b ut actually have a bank mode that does let you send all 128 program change messages. Also, be aware that some MIDI device s use a program numbering system t [...]

5-5 MIDI Operation Each PCM 80 preset h as a unique so ft knob patch that allows you t o control the effect directly f rom Program or Register B anks m ode with the AD JUST knob. You can a lso control the soft knob patch remotely from MIDI, or from the Foot Pedal. To control the soft knob with MIDI, set Control mode 3.1 ( Receiv e ) to the desired [...]

Lexicon 5-6 PCM 80 User Guide Reception of MIDI Program Chang e and Bank Select messages can be selectively enabled/disabled from Control Mode pa rameter 3.0 , MIDI P gm Change. The manner in which the P CM 80 interprets these messages is determined by the value of this parameter as follows: Pgm Change: Off All P rogr am Cha nge a nd Bank se lect m[...]

5-7 MIDI Operation Automation SysEx Automation The PCM 8 0 will transmit SysE x autom ation messages when Control Mode parameter 3.4, MIDI Autom ation is set to On . All ch anges made by fro nt pa nel operations are transmitted as PCM 80 SysEx messages. This is i ntende d primarily for u se by e ditor programs a nd in co nfigurations where it is de[...]

Lexicon 5-8 PCM 80 User Guide Dynamic MIDI The following MIDI messages are available as Dynamic MIDI patch sources: MIDI Cont rollers 1-119 Pitch Bend After T ouch (P olyphonic and Channel combined) Velocity (Note On) Last Note Low Note High Note Tempo (40–400BPM is converted to controller range 0-127) Clock Commands These MIDI messages ar e also[...]

5-9 MIDI Operation MIDI Implementation Chart Mode 1: OMNI ON, POLY Mode 2: OMNI ON, MONO O : Yes OX: Selectable Mode 3: OMNI OFF, POLY Mode 4: OMNI OFF, MONO X : No Lexicon PCM 80 Digital Effects System Function T ransmitted Reco gnized Remarks Basic Default 1 1 Channel Changed 1-16 1-16 Mode Default X Mode 1, 3 Messages X X Altered X Note X 0-127 [...]

Lexicon 5-10 PCM 80 User Guide[...]

6-1 Troubleshooting 6 Troubleshooting This chapter is inten ded pr imarily to help you recog nize some comm on error states which ca n b e co rrected f rom the PCM 8 0 front panel, or by sim ple m eans such as cable replacement. Any error states wh ich are not covered here should be referred to your local dealer fo r service by a qualified technici[...]

6-2 Lexicon PCM 80 User Guide Operati onal Pr oblems The PCM 80 will not lock onto an incoming digital signal. Check the cables that you a re u sing. DO N OT USE ANALOG AUDIO CA BLE TO CONNECT DIGITAL AUDIO. Also check to make sure that yo ur input sign al complies with S /PDIF format standards. The PCM 80 wil l recognize AE S professional format s[...]

6-3 Troubleshooting You can restore the PCM 80 to its default sta te without erasing registers by restoring the factory de fault setup: 1. Press Con tr ol . 2. Use the Up and Down buttons to locate Row 4 Setup . 3. Turn SELECT to 4.1 Load . 4. Turn ADJUST counterclockwise to select "Factory Settings". 5. Press Lo ad/ ✱ . The PCM 80 will[...]

6-4 Lexicon PCM 80 User Guide Reinitialization Rei nitializing will erase all registers and setups The following procedure will return the P CM 80 to the state it was in when shipped from the factory. T his includ es e rasing all registers and se tups, as well as restoring all of th e default settings: 1. Press Con tr ol . 2. Use the Up and Down bu[...]

7-1 Specifications 7 PCM 80 Specificati ons Audio Input Connectors: Combined 3 pole XLR and 1/4 inch T/R/S phone jacks (2) Impedance: 0 dB/BAL switch position: 100k Ω , balanced -20 dB/UNBAL switch position: 50k Ω , unbalanced A/D Dynamic Range: 100 dB 1 kHz, signal present, unweighted Levels: 0 dB/BAL switch position: -2 dBu min for full scale[...]

Lexicon 7-2 PCM 80 User Guide Digital Audio Interface Connectors: Coaxial, RCA type Format: conforms to S/PDIF IEC-958 consumer standards Sample Rates: 44.1 kHz, 48 kHz Internal Audio Data Paths Conversion: 18 bits DSP: 18 to 24 bits Audio Memory Configuration Base memory: Two 256k x 18 DRAMs User Expansion: Two SIMM sockets provided for either 1 M[...]

Lexicon Part # 070-11263 Rev 1 Lexicon Inc. 3 Oak Par k Bedford MA 01730-1441 Telephone 781-280-0300 Fax 781-280- 0490[...]