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LDB-1 User Manual

 

17 

Setup Mode 

 Sel   On / Off:

  The  Selector  buttons  and  LEDs  represent  the  state  of  the  various  options.    Pressing  a 

Selector button toggles the Selector LED on or off.  The meaning of each LED is described below along 
with easy to read quick reference grids. 

 Alt   Options / MIDI:

 Pressing the Alt button toggles between Options setup and MIDI setup.  The Alt 

LED will be illuminated when you are editing MIDI setup. 

Options Setup 

①        ❾ 

BD 

②        ❿

 

LT 

③        ⓫ 

HT 

④        ⓬ 

SD 

⑤        ⓭ 

WB 

⑥        ⓮ 

CP 

⑦        ⓯ 

CH 

⑧        ⓰

 

OH 

Indicator 

Mode 

Swing 

Trigger 

Length 

Trigger 

Polarity 

Gate In 

Enable 

Clock In 

Enable 

Clock In 

24ppqn 

 Steps 

 Drums 

 Off 

 On 

 

  10 ms

 

  ½ Step

 

  ¾ Step

 

  Full Step 

 V+ 

 0V 

 Off 

 On 

 Off 

 On 

 Off 

 On 

 

Indicator Mode:

  This option defines  the behavior of the Selector LEDs when a pattern or song is run-

ning.  In Steps mode, the LED for the current step is briefly illuminated   

Swing:

  In  Swing  mode  (sometimes  referred  to  as  Shuffle),  every other  step  is  slightly  delayed.    Swing 

adds subtle groove to any rhythm.  It is particularly effective in jazz music. 

Trigger Length:

  This  option  sets  the  length  of  the  trigger  output.    The  ½  step  and  ¾  step  lengths  are 

useful if you are using the LDB-1 trigger output as a note on/off (rather than a true trigger).  If the full 
step  length is selected, and two  triggers are on adjacent  steps, then there  is no  trigger “off”  time  be-
tween the steps.

 

Trigger Polarity:

 The definition of the trigger “on” or “off” conditions can be reversed so that  a trigger 

on means positive voltage and a trigger off means zero volts, or vice versa. 

Gate In Enable:

 When Gate In is disabled, any incoming Gate In, or DINsync gate signals are ignored.

 

Clock In Enable:

 When Clock In is disabled, any incoming Clock In, or DINsync clock signals are ignored. 

 

Clock In 24ppqn:

  Like  the  classic  drum  machines,  the  LDB-1  expects  the  external  clock  signal  to  be 

24ppqn (24 pulses per quarter note).  DINsync, the MIDI clock, and the LDB-1’s internal clock all run at 
24ppqn.  If your external clock is not 24ppqn, then turn this option off.   

If the 24ppqn option is off while using an external clock then: 

 

Each pulse of the external clock is treated as one step. 

 

The ½ step and ¾ step trigger lengths generate a 10 ms trigger. 

 

The swing setting has no effect. 

 

The pattern scale has no effect. 

 

 

 

Summary of Contents for LDB-1 Little Drummer Boy

Page 1: ...Little Drummer Boy Analog Drum Machine User Manual The most up to date version of this manual can be found at http delptronics com documents LDB1UserManual pdf Copyright 2012 Delptronics All rights re...

Page 2: ...Drum o Wood Block o Hand Clap o Closed Hi hat o Open Hi hat Eight Voice Polyphony o All drums can be played simultaneously Including the open and closed hi hats for a super punchy cymbal Play Modes o...

Page 3: ...Drums mode 5 Press the selector buttons along the bottom of the LDB 1 to play individual drum sounds Play Patterns 6 Press and hold the Mode button while pressing button 2 which is labeled 2 10 Low To...

Page 4: ...the steps horizontally The tab above is four measures of 16 beats each In drum machine terminology that is one song consisting of four patterns of 16 steps each Each pattern can be at most 16 steps ho...

Page 5: ...rum machines sometimes show the accent as a separate instrument In that case when there is an X or O in the accent row it means that all instruments on that beat should be louder The LDB 1 does not ha...

Page 6: ...ts per minute BPM The position of the Tempo knob is ignored if you are using an external clock source Run Button The Run button starts or stops the currently running pattern or song The Run LED is ill...

Page 7: ...ck reference grid shows two options separated by a line the Ctrl or Alt button toggles between two func tions That is pressing the button switches from one function to the other When the Alt button is...

Page 8: ...rs The Alt LED will be illuminated when the In Time behavior is selected As Hit means that the instrument will play when you press the Selector button To play the same in strument again you must relea...

Page 9: ...Alt LED will be illuminated when the Drums behavior is selected Chaining Patterns Chaining refers to playing a repeating sequence of patterns To chain patterns hold down a Selector button to select th...

Page 10: ...can be selected while not running and that song will play when the Run button is pressed Ctrl Select Song Bank When you press and hold the Ctrl button Selector LED 1 or LED 2 will be illumi nated ind...

Page 11: ...described in the above paragraph Run Start Stop The Run button starts or stops playing the selected pattern While running the selected pattern will repeat continuously You can edit a pattern while it...

Page 12: ...ndicating that you must select a pattern bank Press Selec tor button 1 to select bank 1 4 The Selector LEDs will now flash left to right indicating that you must select a pattern number Press Selector...

Page 13: ...various editing functions Refer to the grid below BD LT HT SD WB CP CH OH Scale 4 steps per beat Scale 8 steps per beat Scale 3 steps per beat Scale 6 steps per beat Revert Current Drum Revert Entire...

Page 14: ...familiar to users of vintage drum machines In tap Tap Write mode the pattern plays continuously If there are no instruments set on the currently playing step then a metronome tick will be heard for t...

Page 15: ...t to edit as described in the above paragraph Sel Patterns In Edit Song mode Selector buttons and LEDs represent patterns within the currently selected pattern bank When you press a Selector button to...

Page 16: ...p in the other half of the measure For example you could send a trigger signal on every step or every other step In that way the Trigger Out acts like a clock out to synchronize the LDB 1 clock with o...

Page 17: ...This option sets the length of the trigger output The step and step lengths are useful if you are using the LDB 1 trigger output as a note on off rather than a true trigger If the full step length is...

Page 18: ...nd 76 are mapped to BD SD CP CH LT OH HT and WB respectively In Notes map mode each note in every octave will trigger an instrument Notes C D E F G A and B are mapped to BD LT HT SD WB CP and OH respe...

Page 19: ...1 4 cable Analog Synthesizer Connectors The Trigger Out Clock In and Gate In jacks are mono 1 8 3 5mm jacks They are used for connecting your LDB 1 to a modular synthesizer Trigger Out The trigger ou...

Page 20: ...pond to the following MIDI system real time messag es Clock Overrides the tempo knob Stop Stops the currently playing song or pattern immediately Start Starts playing the current song or pattern at th...

Page 21: ...o BD o o o o o o o o BD o o o o 5 Mambo A 5 Rhythm 9A 1 2 3 4 5 6 7 8 9 I0 II I2 I3 I4 I5 I6 1 2 3 4 5 6 7 8 9 I0 II I2 I3 I4 I5 I6 CH x x x x x x x x OH x x WB o o o o CH x x x x x x x x x x x x x x...

Page 22: ...4 5 6 7 8 9 I0 II I2 I3 I4 I5 I6 CH x x x x x x x x HT o SD o x LT o o BD o o o SD o o o o o o o o BD o o o 5 Sample Boogie 5 Fill 4 1 2 3 4 5 6 7 8 9 I0 II I2 1 2 3 4 5 6 7 8 9 I0 II I2 I3 I4 I5 I6 O...

Page 23: ...I5 I6 1 2 3 4 5 6 7 8 9 I0 II I2 I3 I4 I5 I6 OH x x x x OH x x CH x x x x CH x x x x SD o o CP o o o BD o o o o o SD o o BD o o o o o o 5 Pop 5 5 Funk 1 1 2 3 4 5 6 7 8 9 I0 II I2 I3 I4 I5 I6 1 2 3 4...

Page 24: ...BD o o o o 4 Rock 4 1 2 3 4 5 6 7 8 9 I0 II I2 I3 I4 I5 I6 4 Sunday 2 CH x x x x x x x x 1 2 3 4 5 6 7 8 9 I0 II I2 I3 I4 I5 I6 SD o o CH x x x x x x x x x x x x BD o o o o o SD o o o o BD o o o o 5 A...

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