Combo Remapper - use score text and symbols to switch articulations
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Logic 9 Apple Pro Training Series: Logic Pro 9 and Logic Express 9

Discussion in 'Logic 9' started by alkynes, Apr 1, 2011.

  1. alkynes

    alkynes New Member

    I'm studying for Apple Certification/Logic Pro 9 Level 1.

    Page 85 of 1111:
    A clock tick is 1/960 of a beat.
    A 1/16 note contains 240 ticks.

    Question: Can you please explain the relationship between a clock tick is 1/960 of a beat and a 1/16 note contains 240 ticks.

    Best regards,
    Peter
     
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  3. gdoubleyou

    gdoubleyou Senior member

    You just did! It's not really a musical question.

    Takes 16 1/16 notes to equal a whole note, and that = how many ticks?

    :brkwl:
     
  4. Markdvc

    Markdvc Administrator Staff Member

    Hi there, welcome to the LUG

    Another way to look at this is, there are 4 1/16 notes in a beat - i. e. a beat is a 1/4 note in a 4/4 bar. As you say, there are 240 ticks in a 1/16 note, 4 1/16 notes = 4 x 240 = 960.

    Have a look at Logic's Transport, try moving the SPL back and forth a little by dragging up or down on the tick, 1/16 and beat values. That should make this clearer.

    kind regards

    Mark
     
  5. JuanTahnahmahrah

    JuanTahnahmahrah Senior member

    Understanding the relationship between ticks and beats is helpful if you plan on getting your MIDI recordings to show up in the SCORE editor in a meaningful way. As Mark stated, based upon a measure in common, 4/4 time, each of the four beats (the four quarter notes) has 960 "ticks" -- the entire bar (all four beats) has 3,860 ticks.

    When you record a MIDI track (either by playing it in on a MIDI keyboard or placing it onto the Piano Roll editor), you can see how close to each "downbeat" you have played by opening the event list. You can edit "length" (i.e., the number of ticks) in order to make what you intended to play display correctly in the score editor (however, this will alter your performance).

    There appears to be some confusion between what you are thinking of in terms of a "clock tick" and what is otherwise considered "one beat" (i.e., a quarter note). To recapitulate Mark, it follows that if one quarter note has 960 ticks, then one sixteenth note has only one-fourth as many...or 240 ticks. Maybe thinking of ticks as pulses-per-quarter note, or "PPQ", would be easier.

    In complex time signatures, or in very fast or slow tempos, the relationship between "beats" and "ticks" may be blurred. The tempo you set in Logic should (AFAIK) determine the number of ticks of resolution.
     
  6. Staircase2

    Staircase2 Member

    Have read the other replies but ended up being confused myself! lol

    its simple: 1/16th means that there are 16 of them (which means that if theres 240 ticks per 1/16th then there are 16 x 240 per bar which equals 3840.

    So there are 3840 ticks per bar (which is why they say that 1 beat = 960 - which is 3840 divided by 4)

    think of a tick just like a subdivision of notes like 1/4, 1/8, 1/16 etc etc. In musical score terms you dont need that many cause people couldnt play them - in sequencing terms the more divisions of notes you have the more accurate the software can be in determining the exact musical positioning of the player.

    With less than that the software tends to make people sound mechanical which is why the modern sequencers give you so many ticks.

    Hope that makes sense?

    Cheers,
     
  7. alkynes

    alkynes New Member

    Ask and ye shall receive

    Thank you for the informative response(s).

    I now have a fundamental understanding of:

    * Clock tick
    * Beat
    * Note "value"

    Staircase2 analogy of musical score relative to sequencing, along with feedback from Juan, Mark (thanks for the welcome), and GUU, sealed this threads fate!

    I imagined Staircase2 analogy to HDTV resolution. The higher the pixel count (720 vs.1080p), the greater the resolution (although I've read our eyes find it difficult (if not impossible) to distinguish 720 from 1080)? Fair enough?

    So "more division of notes translates to greater accuracy in musical positioning".

    And the grand finale in my mind was Staircase2 last sentence, "With less than that the software tends to make people sound mechanical which is why the modern sequencers give you so many ticks".

    Now onward to studying for the Apple Certification Exam Logic Pro 9 Level I!

    Best regards,
    Cheers!
     
  8. Staircase2

    Staircase2 Member

    Bless ya!
    pleased to have been of help :eek:)

    Good luck with the Exam

    Cheers,
     
  9. Staircase2

    Staircase2 Member

    youre right re the resolution thing too

    (although just for the record, philosophically speaking, its probably not something we 'see' so much as perceive - much like the difference in sampling rate - we get a 'sense' of something sounding bigger or wider or better - rather than a definite 'I HEAR that sounding better') - so I guess 1080 probably 'feels' more fluid than 720 - although it also depends on how big a screen youre watching it on as well as how good the quality of the screen is itself! lol)

    tra
     

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