Kilpatrick Audio K4815 User Manual

Pattern generator

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// K4815 // Pattern Generator
Hardware Version D/E
User Manual
Firmware Version 1.1x
February 16, 2011
Kilpatrick Audio

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Summary of Contents for Kilpatrick Audio K4815

  • Page 1 // K4815 // Pattern Generator Hardware Version D/E User Manual Firmware Version 1.1x February 16, 2011 Kilpatrick Audio...
  • Page 2 // K4815 // Pattern Generator Introduction Welcome to the wonderful world of the K4815 Pattern Generator. The K4815 is a unique and flexible way of generating notes, rhythms and modulation voltages or control changes. The user interacts with the machine to set the patterns using an unconventional method which works well to find new grooves and musical inspiration.
  • Page 3: Installation And Setup

    The K4815 Pattern Generator supports both MIDI and control voltage/gate/clock signals. To use the MIDI function requires the use of a MIDI adaptor such as the K1600 MIDI Converter. But the K4815 can be used by itself without any MIDI devices by using the analog inputs and outputs. If you are using the module with another MIDI device using the internal MIDI cable, connect a 10 pin ribbon cable between the two units.
  • Page 5: Physical Installation

    Play around with the controls and hear some of the different possibilities. The next section will cover each control in more detail, as well as a more overall discussion of how the K4815 makes patterns based on the settings that you have selected.
  • Page 7: Advanced Operation

    // K4815 // Pattern Generator Advanced Operation To provide more in-depth detail of the controls and how to make the most of the machine, this section goes into detail on each aspect of the system. Internal Clocking and Timing Using External Clock The machine uses a 24ppq internal timebase.
  • Page 8 // K4815 // Pattern Generator FWD/REV Control and DIR Input While any motion is playing, the direction can be reversed by adjusting the FWD/REV switch. It can also be reversed by an external voltage. If +5V or greater is placed on the DIR IN jack, the current direction of the pattern will be reversed.
  • Page 9 // K4815 // Pattern Generator Minor Scale The minor scale spans from C to C without any output offset applied. The Dorian minor is used. (minor 3rd, natural 6th and minor 7th) Every column has the same notes, but different octaves depending on the setting on the LARGE/SMALL switch.
  • Page 10 // K4815 // Pattern Generator around at the ends. PATTERN TYPE Control The PATTERN TYPE control selects from one of 32 internal patterns which display on the background of the LED matrix and determine which of the underlying scale notes will play when the playback ball lands on them.
  • Page 11 // K4815 // Pattern Generator lines on the grid. The MOTION TYPE can also be set via MIDI program change. Patches 1-64 select the 64 motions available from the front panel of the machine. Patches 65-128 select the same patches but in "key trigger"...
  • Page 12 // K4815 // Pattern Generator Motion List 1 - Sequential left to right and top to bottom. 33 - E-C-C-G Triads 2 - Sequential top to bottom and left to right. 34 - F-D-A Triads 3 - Sequential zig zag left/right from top to bottom.
  • Page 13: Midi Implementation

    MIDI Hardware Interface On the back of the K4815 PCB is a 10 pin header labelled as MIDI/TEST. It contains MIDI TX and RX signals, +5V output, as well as a test pin which places the machine in test mode when jumpered to ground.
  • Page 14: Midi Sysex Messages

    C. When one of the patches from 65-128 are selected, notes received by the K4815 will trigger the start of playback at the beginning of the motion sequence. If you play legato, the notes will be transposed, but the motion will continue playing through to the end before repeating.
  • Page 15 +5V with a 10K resistor. Support and Additional Information Please contact Kilpatrick Audio with additional questions about the K4815 Pattern Generator. We will do our best to help you make the most of your Pattern Generator and welcome your suggestions as to software improvements or ideas for features on new products.
  • Page 16 // K4815 // Pattern Generator K4815 Pattern Generator MIDI IMPLEMENTATION CHART ver.1.0 2010-05-14 Function Transmitted Recognized Remarks Basic Default 1 (default) 1 (default) Use TEST mode to set Channel Changed 1-16 (configured) 1-16 (configured) the MIDI RX channel. Default Mode...

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