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4ms Sampler Скачать руководство пользователя страница 13

4. Now turn 

Start Pos

 down slowly. The sample should play backwards! Notice that no matter how 

fast you turn 

Start Pos

, the pitch does not change. That is, you can play the sample faster or 

slower without changing its pitch. This is time-stretching in its most basic form.

5. Now turn 

Length

 up a tiny bit. Hear how the buzzy overtone changes? 

Length

 is setting the size 

of the grains.

6. Let’s use an LFO to sweep through the sample so you don’t have to do it by hand. Patch a very 

slow ramp-up LFO into the 

Start Pos CV

 jack. A 

Pingable Envelope Generator, 

a 

MiniPEG

, or 

any of the 

EnvVCA

 family of modules are great for this. The period of the LFO will equal the 

playback time, so make the LFO’s period is several seconds long. Make sure the 

Start Pos 

knob is 

back at 0. For full range, the ramp-up LFO should be 0V to +5V. Attenuate or shift as needed: any 

voltage under 0V or over +5V will make playback “hang”. When the LFO is exactly 0V to +5V, you 

should hear the entire sample being played forwards. Adjust the LFO speed to adjust the playback 
speed. Also, you can attenuate the LFO and/or adjust the 

Start Pos

 knob to select certain portions 

of the sample to playback.

7. Try different LFO wave shapes: ramp-down will play the sample backwards, triangle will play it 

forwards-backwards, curved waves will play it at variable speeds (constant pitch).

8. Next, let’s get rid of that buzzy overtone. Patch a random LFO (or a simple triangle if you don’t 

have a random source) into an attenuator module. Attenuate the signal heavily, down to about 
+0.5V max. Patch the attenuated random LFO/noise into the 

Length CV

 jack. Make sure the 

Length

 knob is turned all the way back down. The overtone should now be randomized enough 

that it disappears. Adjust the attenuation and/or random speed and/or 

Length 

knob to suit your 

taste.

9. To change pitch without changing the playback time, simply adjust the 

Pitch

 knob (or use the 

Pitch

 jack). Since the playback time is set by the LFO in 

Start Pos CV

, you can freely adjust 

Pitch

 

without changing the timing. Likewise, you can adjust the playback timing without adjusting the 

Pitch

.

Random Grains

Scrubbing involves playing the grains in order, but you also can play grains in random order. Patch the 
random LFO into 

Start Pos CV

 instead of 

Length CV

, and don’t attenuate it as much (or at all). Then 

you can leave 

Length CV

 unpatched, or patch some other LFO into it to vary the grain sizes.

Clock Sync and Shifting Ping-Pong Loops 

Find a sample with rhythmic elements. Hold 

Play

 to make it loop. Turn down 

Length 

to between 50% 

and 90% to make a shorter loop that you like. 

Clock Sync: 

Run a clock into the 

Play

 Jack to sync the loop to the clock. If the loop is shorter than the clock, the 

sample will loop until the next clock.

Shifting Loop: 

Patch a very slow LFO into 

Start Pos CV

. Each time the loop ends, it’ll start in a new position, based 

on where 

Start Pos CV

 is 

at the moment the sample re-starts.

Ping-Pong:

Patch 

End Out

 into 

Reverse 

to play the loop forward/backwards/forward/backwards

 

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Содержание Sampler

Страница 1: ...reo playback channels can play any of 600 samples Recording creates stereo WAV files directly onto microSD Card for immediate use Extremely low noise high fidelity design Plays a variety of WAV files up to 32 bit 96kHz Records at 24 bit or 16 bit 48kHz future firmware will support up to 96kHz Intelligent file system makes loading large sample libraries easy by organizing banks into folders CV and ...

Страница 2: ... a folder of WAV files 10 Folders with color names 11 Automatic loading of new moved files 11 Sample List HTML file 11 Example Patches Sequencing the Sampler 12 Granular Scrubbing 12 Clock Sync and Shifting Ping Pong Loops 13 Advanced Features CV Calibration 14 Start up bank 14 Adjustable Fade Time Smoother Looping 15 System Settings File 15 Variable Trigger Delay Latency 17 Color Adjustment Mode ...

Страница 3: ...ples loaded at one time 10 samples per bank Includes a microSD card with over 200 samples Extremely quiet low noise and low jitter design Firmware can be updated by playing an audio file into the Sampler Playback channel Mono or stereo output through Out Left and Out Right jacks Play button trigger jack Tapping the button or receiving a trigger starts re starts the sample When Length is set to All...

Страница 4: ...tarting with a color name will be loaded into that color bank Example Blue Frooty Loops will load into the Blue bank Sub folders are ignored only folders in the root directory are scanned for WAV files Works best with UHS Speed Class 3 cards with this symbol printed on the card Electrical and Mechanical Specifications 16HP Eurorack format module 0 98 25mm maximum depth 10 pin Eurorack power header...

Страница 5: ...g You also can select a bank using the Bank CV jack It accepts voltage from 0V to 5V and there are 60 banks so a new bank is selected every 1 12th of a volt That means you can select banks by playing a CV keyboard or sequencer into this jack each semitone note from C0 to B5 will be a different bank Looping The Sampler is also great for looping samples Go to a sample that s at least a couple second...

Страница 6: ... you see how the tempo of the loop does not change That s because with Length under 50 the playback time is constant regardless of Pitch With Length over 50 the audio sample data that s played is constant even though it s stretched or shrunk So if you set Start Pos and Length to capture a particular part of a sample let s say it s a human voice saying the word hello then as long as Length is over ...

Страница 7: ...hort After that it wraps back around to solid White As you add samples to your card you can fill up a maximum of 60 banks Since there are 10 colors that means each color can have 0 solid to 5 flashes At 5 flashes the bank button is flashing almost constantly Empty banks will be skipped as you cycle through banks with the Bank button What if you ve filled up your banks with samples and you want to ...

Страница 8: ...hannel out of Out Left and the right channel out of Out Right However if you are using a mono signal path in your patch you may want to use Mono Mode In this mode the Sampler mixes the left and right channels together and sends that to both output jacks Note that regardless of Stereo or Mono Mode if you play a mono file both jacks will output the mono sample Toggle Stereo Mono Mode To toggle betwe...

Страница 9: ...y doesn t the Sampler just save your sample slot assignment information automatically when you record The reason is that you might have recorded over a slot that you didn t mean to or you might not like any of your takes and decide not to keep them Tutorial 4 Loading Files onto the microSD Card The Sampler has an intelligent and intuitive sample file management system You can do everything in seve...

Страница 10: ... that file and will try to find a new file to fill that slot The first place it will look is the original file s folder What this means is that if you don t like a particular sample you can delete the file and replace it with a new file The Sampler won t find the deleted file and it will load the new file instead In complex cases such as when you have banks containing samples spanning multiple fol...

Страница 11: ...d or replaced by new files inside existing folders Sample List HTML file After you ve made changes to the microSD card using a computer the next time you boot the Sampler with that card the module will create a file in the root level of the microSD card called __Sample List__ html This is a handy quick reference for seeing what files are in what banks and how long each sample is So if you are ever...

Страница 12: ...us clocking the sequencer which starts a sample on the Sampler which fires an End Out when it finishes which advances the sequencer etc The Length control on the Sampler will control the tempo which will vary with each step if the samples are of different lengths Try this patch with the Sequencer CV out into the Sample CV Note if the patch seems to run for a moment and then stop the gate pulse wid...

Страница 13: ...mple triangle if you don t have a random source into an attenuator module Attenuate the signal heavily down to about 0 5V max Patch the attenuated random LFO noise into the Length CV jack Make sure the Length knob is turned all the way back down The overtone should now be randomized enough that it disappears Adjust the attenuation and or random speed and or Length knob to suit your taste 9 To chan...

Страница 14: ...s will turn green and fade back to normal colors If they turn red then read the note on step 5 and try again If you saw the lights turn green then your calibration has been saved The calibration will persist even after power down Calibrating CV jack offset For the other four CV jacks besides Pitch calibration is not normally necessary However in exceptional circumstances using a noisy power supply...

Страница 15: ...esponding to 255ms See the System Settings File section below Percussive envelope time is set by the Length knob and CV not by Fade Time However percussive envelopes will be turned off whenever Fade Time is 0 Keep in mind that when Fade Time is set to 0 playback may click and pop This is not normally a desired setting However turning off envelopes is often preferred when doing Granular patches see...

Страница 16: ...k to jump to when powering up The ones digit of the bank number equals color of the bank with 0 White 1 Red 9 Pearl The tens digit of the bank number equals the number of blinks ranging from 0 to 5 Therefore 3 means Yellow no blinks and 41 means Red 4 four blinks STARTUP BANK CHANNEL 2 Not used on Sampler TRIG DELAY Possible values any whole number between 1 and 20 which sets the trigger delay in ...

Страница 17: ...e a valid SD Card is inserted 2 Hold down the Play and Reverse buttons and power on 3 When the Play button starts flashing release the buttons 4 Press Play repeatedly until each of the three buttons has turned red green and then blue Then press Play three more times as each button turns white In total you will have pressed Play 13 times 5 At this point Play will be solid green not flashing Press a...

Страница 18: ... and Reverse buttons while powering on the Sampler When you see either button blink release the buttons 4 If the Reverse and Play buttons are blinking red press the Play button Play will start blinking slowly twice per second to indicate the module is now ready to receive firmware 5 Begin playing the file Immediately you should see Bank turn on and Play and Reverse start flashing blue white cyan a...

Страница 19: ...the microSD card while the Sampler is playing or recording How to prepare a new microSD Card Purchase a UHS Class 3 card see above Format the card as ExFAT preferred or FAT32 acceptable See screenshot right for how to set MacOS standard Disk Utility program Verify all sample files are valid WAV files see file format specifications below Put your WAV files into folders to organize them into banks p...

Страница 20: ...5 sec Play Looping Reverse Play Record Play Mode Hold 2 sec Hold and turn Start Pos Reverse Channel Volume Hold one second Play Bank Stereo Mono Play Start Stop Recording Hold 2 seconds Reverse Bank CV Calibration Hold and turn Reverse Length All Fade Time Hold all buttons 3 seconds Reverse Play Bank Save Changes to sample slots and fade time Next Bank Bank Settings Hold while powering on Reverse ...

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