Traktor: When to use Blend, and when to NOT use Blend
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  1. #1
    Tech Wizard
    Join Date
    Aug 2016
    Posts
    91

    Default Traktor: When to use Blend, and when to NOT use Blend

    Thanks to @DJ MiCL, we have a clear explanation of what "Blend" REALLY does:

    Quote Originally Posted by DJ MiCL, post: 1056141, member: 233571
    1) With Blend option ON
    The Min value, the Max value, and all the values in between of the Controller Range is smoothly translated to corresponding Min/Max and in-between values of the MIDI Range. For instance, if the Min/Max of the Controller is 0/5 and the MIDI is 0/127, MIDI (usually some note) velocity 0 is outputted when the Controller (the value of the specific function we are mapping here) is 0 and velocity 127 is outputted when the Controller is 5. And when the Controller value is in between these two, also, corresponding MIDI values (give or take a few) 26, 51, 77, 102 will be outputted.

    2)With Blend option OFF
    Here the behavior changes quite a bit. In this mode, Whenever the Controller Value enters the range specified by the Min and Max values, the Max value for MIDI will be outputted, and when it exits the range, the Min value for MIDI will be outputted. For instance, if you wanted to turn on an LED when (and only when) the deck is playing, the Controller Range should be 1 to 1 (is playing) and the MIDI Range should be 0 to 127, with the blend option OFF.
    My recommendation is to ALWAYS use blend.
    All new controllers light up on ">=1", and not only exactly "127", so I see no downside at all.

    Next version of CMDR will also warn if blend=OFF.

    Below a small test to understand the great explanation with a simple modifier counter.

    IN buttons:
    - sets modifier to zero
    - increment modifier

    OUT:
    controller range: min 3, max 6
    midi range: min 3 max 6

    BLEND OFF:
    0: <nothing>
    1: <nothing>
    2: <nothing>
    3: sends 6 (MAX)
    4: <nothing>
    5: <nothing>
    6: <nothing>
    7: sends 3 (MIN)
    0: <nothing>

    1: <nothing>
    2: <nothing>
    3: sends 6 (MAX)
    4: <nothing>
    5: <nothing>
    6: <nothing>
    7: sends 3 (MIN)
    ...

    BLEND ON:
    0: <nothing>
    1: <nothing>
    2: <nothing>
    3: <nothing - it was already at 3>
    4: sends 4
    5: sends 5
    6: sends 6
    7: <nothing>

    0: sends 3
    1: <nothing>
    2: <nothing>
    3: <nothing - it was already at 3>
    4: sends 4
    5: sends 5
    6: sends 6
    7: <nothing>
    Blend usage.zip
    Gear: DDJ-1000, DDJ-SZ, DDJ-SX2, Akai AMX. Laptop: Dell XPS 15
    Mappings for all this gear: https://my.djtechtools.com/users/830428

  2. #2
    Tech Wizard
    Join Date
    Aug 2016
    Posts
    91

    Default

    please follow updates in the Traktor forum.
    The situation is more complex than this.

    https://www.native-instruments.com/f.../#post-1999703
    Gear: DDJ-1000, DDJ-SZ, DDJ-SX2, Akai AMX. Laptop: Dell XPS 15
    Mappings for all this gear: https://my.djtechtools.com/users/830428

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