[gmpi] Re: Topic 6: Time representation
- From: "Angus F. Hewlett" <amulet@xxxxxxxxxxxxx>
- To: gmpi@xxxxxxxxxxxxx
- Date: Wed, 30 Apr 2003 12:37:22 -0400 (EDT)
On Wed, 30 Apr 2003, Paul Davis wrote:
> musical time is defined by ticks whose duration measured by any other
> reference clock can vary widely. for example, consider what happens
> when the tempo moves from 30 to 180 beats per minute. the number of
> musical ticks per second shifts to follow that. with accelerando, the
> ticks per second value is essentially changing continuously. you don't
> really want to force most plugins to deal with this unless they have
> to, do you?
No... it seems tempo events (sync pulses that, remember, can be
delivered at density >1 per block if absolutely necessary) solve that one.
> if you don't supply musical ticks, you have to provide access to the
> tempo map, which is a much more difficult thing to agree upon: the
> format and mechanism of access both have to be defined.
yikes... :)
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