Low G doesn't sound in some GPO5 trumpet sounds

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gogreen
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Post by gogreen » Fri Mar 09, 2018 10:20 pm

Low G doesn't sound in GPO5 n-Trumpet 1 and 2 sounds. The low G sounds OK in all my other low G samples in GPO5, COMB2, and Finale default sounds. Out-of-range notes is off. Does anyone else have this problem with GPO5 n-Trumpet samples?
Art
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motet
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Post by motet » Fri Mar 09, 2018 11:41 pm

I wonder if the samples are of a C trumpet. Such would only go down to concert F#. If your trumpet is in Bb, a G would be a concert F.

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gogreen
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Post by gogreen » Sat Mar 10, 2018 2:03 am

I wonder if the samples are of a C trumpet. Such would only go down to concert F#. If your trumpet is in Bb, a G would be a concert F.
That might explain it. When I change the non-sounding G to G#, the note sounds. However, none of the GPO5 trumpet samples is specified as anything else but "trumpet" except for "piccolo" trumpet. And all of the other GPO5, COMB2, and Finale default trumpets sound the low G. I can, of course, get around this problem by using other samples. Still, I wonder what's going on here with the GPO5 n-trumpet samples.
Art
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motet
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Post by motet » Sat Mar 10, 2018 8:40 am

Doesn't seem very likely it's a C trumpet, now that I think about it.

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gogreen
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Post by gogreen » Sat Mar 10, 2018 1:58 pm

Can anyone else confirm this problem in GPO5 and Mac (or Windows)?
Art
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zuill
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Post by zuill » Sat Mar 10, 2018 2:54 pm

With the GIfF sounds, there are files that determine the parameters of the sample. The range is specified in those files. Have you checked to see what the low and high notes are? With GIfF, you can modify the range, if needed. I don't know about GPO.

Zuill

P.S.: This link may be of help: https://makemusic.zendesk.com/hc/en-us/ ... an-library
Last edited by zuill on Sat Mar 10, 2018 3:43 pm, edited 1 time in total.
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zuill
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Post by zuill » Sat Mar 10, 2018 3:39 pm

Follow-up to my last post:

I just examined the sfz file for the GIfF Trumpet Player 1 and the range is MIDI 52-89. This, of course is sounding range. On the piano, 52 is the E below Middle C. In the Aria player, it uses a piano keyboard to show the range of the sample, so you can see what notes are there. 89 is the F 2 octaves and a fourth above Middle C.

Now, if you see these notes on the keyboard, and the sfz file says the right MIDI values, but you are not hearing them, then you might have another problem. However, by examining the Aria player piano keyboard and the sfz file, you can determine what should be.

You can change the range of the sample if you need a lower note. As I recall, it might mean changing the value in more than one place in the sfz file. It's been a while since I tried this. Make sure you save a backup of the file first.

Zuill
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gogreen
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Post by gogreen » Sat Mar 10, 2018 5:00 pm

Thanks, Zuill. I'll try this. I also recall doing this some time ago, but I'll have to brush up on what I did.

I checked the trumpet ranges on two samples--the troublesome one and one that sounds the low G. Both lower ranges should be the same (down to concert E). I may try uninstalling and reinstalling GPO5 if extending the range doesn't work. Have to do all this later today or tomorrow.
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oldmkvi
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Post by oldmkvi » Fri Mar 16, 2018 12:31 am

Why write so low for tpt?
Have you heard a tpt player play down there?
That's Trombone and Horn territory.
Tpts will likely sound weak and wobbly down there.

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David Ward
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Post by David Ward » Fri Mar 16, 2018 10:18 am

oldmkvi wrote:Why write so low for tpt?
Have you heard a tpt player play down there?
That's Trombone and Horn territory.
Tpts will likely sound weak and wobbly down there.
There's some very dramatic low trumpet writing in the symphonic & operatic repertoire (eg in both Shostakovich & Prokofiev). It's quite a different sound from horn or trombone at the same pitch, and is there to be exploited if the player is up to it.

This http://www.trumpetmaster.com/threads/lo ... ems.39576/ gets round to talking of playing a loud low G on a C trumpet in the Verdi Requiem. Interestingly the note was deemed easier on a specific C trumpet than the same absolute pitch was on a particular B flat tpt, because the C instrument had a larger bore. I imagine that the choice of mouthpiece would make a lot of difference too, as indeed would the lead-pipe & all the other variables.
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gogreen
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Post by gogreen » Fri Mar 16, 2018 1:56 pm

Shouldn't both trumpets I've shown above show the same range (to the concert low E) on the displayed keyboard?
Art
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motet
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Post by motet » Fri Mar 16, 2018 4:06 pm

You'd think. What is a "SAM" trumpet?

oldmkvi
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Post by oldmkvi » Fri Mar 16, 2018 6:10 pm

Yes, I see what you mean.
I was mainly thinking of Big-Band writing.
I wouldn't write a low g for Bb Tpt as part of a voicing.
When Thad Jones got down there, he would just double the next higher part
instead of having that low a Tpt Voicing.
Or double the Tpts in two parts briefly.
Anyway, you know what you're doing!

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