Hi Don,
When I saved to audio in four passes (i.e., ww's, brass, perc, and
strings) and tried to align them, the tempo drift seemed to happen
almost exclusively during long rests -- i.e., the percussion would come
in several beats too early. (I'm telling you, it's just like real
life!)
Luckily, there was no noticeable tempo drift when the GPO instruments
were actually playing -- so it was really just a matter of lining up
the initial entrances after every (sectional) multi-measure rest.
What I'm wondering is whether HP takes into account muted (or
non-soloed) instruments when playing back -- especially when it comes
to fermattas, etc. If HP only looks at the instruments that have been
soloed in the Instrument List, that would explain all those bad
entrances! On the one hand, it makes sense for HP to ignore
muted/non-soloed instruments -- after all, why take into account staves
that aren't set for playback. On the other hand, the lack of a
consistent tempo between "takes" makes aligning multiple passes an
incredible chore.
I'm going to CC Robert Piéchaud on this -- perhaps he can shed some
light on this issue. I really think that HP should abide by a
consistent "master" tempo map no matter which instruments have been
soloed or muted.
- Darcy
-----
[EMAIL PROTECTED]
Brooklyn, NY
On 24 Jun 2005, at 3:38 AM, Don Hart wrote:
Glad Audacity worked for you - sorry to hear about the other problems.
Seems like the barline would be the perfect point of reference to keep
that
sort of thing from happening.
If I had to vote, I'd choose Human Playback as the culprit over GPO.
Sometimes, when I play back a section of a file several times
consecutively
and re-humanize it each time, I wonder if I'm not noticing little
differences from playback to playback. If that is what I'm hearing,
while
not actually looking for discrepancies, it seems the magnitude of those
differences would easily be capable of making the mess you had to deal
with.
Seems like a cumulative problem that gets worse over longer, busier
passages. Did you try lining up sections of shorter length?
Don Hart
on 6/24/05 1:35 AM, Darcy James Argue at [EMAIL PROTECTED] wrote:
Thanks, Don. Audacity was *exactly* what I was looking for.
On a related note, though, I was surprised how much tempo drift there
was between the two audio tracks I recorded. I know GPO sometimes
drops frames when it gets overloaded (resulting in an accel. effect),
so I tried splitting the orchestra in four to avoid taxing my poor Mac
mini, but that was even worse. I had imagined that if I just got the
*beginning* of both files aligned, they would stay aligned for the
entire piece, but that was absolutely not the case. In fact, I had to
hand-align practically every entrance. (It's almost like Human
Playback is a little *too* human when it comes to counting
multimeasure
rests.)
Long story short, it was an incredible PITA to get everything aligned,
and required hours of trial-and-error hand-tweaking. So I'm *really*
hoping NI get their act together on the Mac side, because this is just
ridiculous. (Unfortunately, the move to MacIntel doesn't exactly give
them a lot of incentive to optimize their PPC code. Sigh.)
- Darcy
-----
[EMAIL PROTECTED]
Brooklyn, NY
On 24 Jun 2005, at 12:06 AM, Don Hart wrote:
Darcy,
If I have an accurate understanding of what you need and what this
program
will do, Audacity is what you're looking for. I haven't yet needed
to
do
what you're doing, but in my time with the program it was very
intuitive.
My experience observing guys use ProTools seemed to help me get
around
Audacity. Anyway, you can check it out:
http://audacity.sourceforge.net/
I was really impressed; I hope it helps.
Don Hart
on 6/23/05 10:17 PM, Darcy James Argue at [EMAIL PROTECTED] wrote:
Okay, it's that time...
I need to make an audio demo of an orchestration I've written. As
those of you who have GPO for Mac know only too well, my 1.42 GHz
Mac
mini doesn't have nearly enough horsepower to drive GPO through a
large
orchestral score (3333 / 4331 / Timp+Perc / Harp / Solo Vln /
Strings).
I've done all my usual GPO tricks (*drastically* reduce polyphony on
percussion and harp, bypass reverb, set sample rate to 22.05 KHz),
but
I can still only really get half the orchestra to play back reliably
at
any given time. So that's exactly what I did -- soloed half the
orchestra and recorded that to audio file; then soloed the other
half
and did the same thing.
Now I need to combine the two audio files in a basic multitrack
audio
editor. But I don't currently own a basic multitrack audio editor.
So
-- suggestions? Cheap and simple are best -- my needs are very
modest,
I just need to line up these two files and join them.
- Darcy
-----
[EMAIL PROTECTED]
Brooklyn, NY
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