Subject: Re: [LAU] what's up with midi clock

From: Jesse Chappell <jesse@...> · Date: Sunday, May 31, 2009 - 1:09 am

On Sat, May 30, 2009 at 3:46 PM, Gabriel M. Beddingfield

 wrote:
> Does sooperlooper respond to Song Position Pointer (0xF2) and/or MIDI Continue

quoted text> (0xFB)?  You may be able to sync time using these instead of Song Start (0xFA).

>  Song Position Pointer sends a 14-bit song position, followed by a MIDI

> Continue which means ("start playing at that spot on the next clock tick").  The

> 14-bit song position is in "MIDI beats" since the beginning of the song.  6 MIDI

> Clocks == 1 MIDI beat.
SL does not respond to SPP, but it probably should.
> Also, I noticed that sooperlooper is determining tempo by some manner of rolling

quoted text> average calculation.  (Maybe it doesn't, but that's the way it *acts*.)  If so,

> that makes it even harder to get sooperlooper to sync to a downbeat.
It does indeed determine the displayed tempo by a rolling average, but

for sync purposes it responds immediately upon receipt of the relevant

clock ticks.
jlc

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