Am 07.05.2013 11:42, schrieb Dan MacDonald:
> I thought MusE already did this and it just lacks an easy way to defineHi Dan,
> (most likely draw) a gradual tempo change on the GUI mastertrack editor?
no, MusE cannot stretch audio currently. Tempo changes work fine with
MIDI data, but Audio isn't affected by the tempo at all.
> On Mon, May 6, 2013 at 11:33 PM, Florian Jung <email@example.com> wrote:
>> i'm just wondering where the time stretchers shall receive their
>> keyframes from. all of these considerations will only affect the
>> accurateness of time-stretched wave parts/events.
>> basically there are two ways:
>> 1. always conform to the tempo map.
>> this will work very fine when the tempomap is actually used, and is
>> not changed "live".
>> this will also work fine when MusE is running on external tempo sync,
>> but the external tempo hasn't changed.
>> MusE would then, during the last (full!) playback, record the
>> externally supplied tempo, and use this (old) tempomap for the new
>> this WILL glitch when the external tempo changed. because then, MusE
>> still adheres to the *old* tempo map, which is out-of-date.
>> this MIGHT glitch when the user edits the tempo near the playing
>> position *while playing*. Or uses the 200% / 50% button.
>> 2. do weird guesswork, resulting in un-understandable code, and non-
>> optimal timings whenever there's a tempo slope. especially this will
>> also happen when there's a tempomap available, and while the final
>> 3. even weirder hybrid of both.
>> Basically, i want and probably will go with 1.
>> But is it okay for the user, that "unexpected" tempo changes might cause
>> a single glitch during playback? Playing back a second time won't glitch
>> any more, because muse knows about the new tempo map then.
>> Just say "yes" :)
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