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1-1 Basic Principles


The purpose of Rhythm Converter is to create a CTK-691/WK-3000/WK-3500  accompaniment pattern file (CKF), which can be loaded and played on the keyboard. Rhythm Converter does this by combining a Standard Midi File (SMF) containing the musical data of the accompaniment pattern, with the essential control Parameters (PRA file) that make the pattern work.


square.gif The Rhythm Converter process is broadly:



A .
Create the SMF


B .
Open it in Rhythm Converter


C .
Create the 'Parameters' in Rhythm Converter


D .
Save the final result as a 'CKF' file
(The finished accompaniment pattern file)

Important Notes
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The SMF can also contain the Parameters for the accompaniment pattern, for example Tone selection, Volume, Reverb, Chorus, Panning etc. Rhythm Converter can then extract this data from the SMF to create the Parameters for the final CKF file. More about this in section 2-1.


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When you create your SMF you must follow the guidelines in 2-1 or your final pattern may not work properly


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A One Touch Preset can be created and included in the accompaniment pattern using the OTP Editor within the Rhythm Converter programe


2-1 Making the SMF


Create the SMF of the musical data for your accompaniment pattern in your chosen Sequencer Programe.

The following is the structure required for the SMF.

This must be adhered to or the final accompaniment pattern will not work properly.


square.gif The SMF must contain the following pattern 'Elements':



Intro 1

Intro 2

Variation 1

Variation 2

Fill 1 (from Variation 1 to Variation 1)

Fill 2 (from Variation 1 to Variation 2)

Fill 3 (from Variation 2 to Variation 2)

Fill 4 (from Variation 2 to Variation 1)

Ending 1

Ending 2

Important Notes
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These distinct parts of the Accompaniment Pattern are referred to in Rhythm Converter as 'Elements'


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You must set markers to define the different Elements of the pattern. The markers must be set at the "Split Points" between the Elements. (The measure number at the start of each Element). This can be done in one of two ways as detailed in 2-2 'How To Use Markers'


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Fill Ins must be one Bar in length and there must be no empty bars between each Element in your SMF


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All of the patterns Elements must be programed in the key of C. The Intro and Ending can be based on a chord progression, which should be in the key of C, or written so that it resolves to the root of C. The Variations and Fills must be written in the key of C Major.


square.gif In the SMF the following tracks must be on the specified Midi Channels:



Drums
Channel 10


Bass
Channel 11


Chord 1
Channel 12


Chord 2
Channel 13


Chord 3
Channel 14


Note : It is not necessary to fill every part, for example you could just use
Drums, Bass and Chord 1 to create a simple pattern. The important point is that the parts must be on the above Midi Channels or the pattern will not work properly.


square.gif The Following Midi Data can be recorded:



Note On / Off
Modulation
Pitch Bend (Range = 2 Semitones)


square.gif The SMF must contain the following parameters for each Element at the top of each track:



Programe Change
Bank select (Controller 0)
Volume (Controller 7)
Pan (Controller 10)
Reverb Send (Controller 91)
Chorus send (Controller 93)

Important Notes
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If these parameters are not included in the SMF you can set them in the Rhythm Converter programe. If they are set in the SMF, Rhythm Converter will extract them and display them in the 'Element Editor'. See 4-1 'Using the Element Editor'.


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These are referred to in Rhythm Converter as 'Parameters'. This is the data stored in the Parameter file (PRA)


2-2 How to use Makers


There are 2 ways to mark the split points between each of the ten Elements within the SMF:


A .
Insert Markers in the SMF to define the Split Points

B .
Set the Split Points within the Rhythm Converter programe



A . Setting Markers in your Sequencer Programe
Depending on the sequencer Programe you use to create your SMF, insert a text event (Marker) in the SMF at the start point of each element (one for each of the ten elements) and a final Marker to show the end point of the data (ie: the top of the measure after Ending 2).

The positions of these Markers are referred to in Rhythm Converter as "Split Points", literally marking the points where Rhythm Converter should split the sequencer tracks into the different accompaniment pattern Elements. As there are Ten pattern Elements, your SMF should have totally Eleven Markers, including the end Marker.



B. Setting the Split Points within the Rhythm Converter Programe
To set the Split Points in Rhythm Converter simply enter the start Bar and Bar Length of each pattern Element as in this example:



Important Notes
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All Fill-ins must be one bar in length. Fill-ins exceeding one bar cannot be guaranteed to operate correctly.


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There must not be any empty bars between any of the Elements within the SMF.




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