Halving all note durations

[Glyn Adgie]

Is there any way to halve all note durations automatically? I want to
turn minims to crotchets, crotchets to quavers, etc.

The need for this arose in a piece in 3/4 at 150 beats per minute, with
a fast start in quavers. I then added a slow tune on top of the fast
bit. The slow tune is in crotchets and minims. In a number of places,
this slow tune has notes tied over bars, and this made me think that it
might have been better to have written the whole piece for a tempo of 75
beats per minute, and have the slow tune in quavers and crotchets, and
the fast bit in semiquavers. I am fairly sure most of my tied-over-bar
notes would then fall within the new bars. It would sound the same as
before, but would read better.

Glyn


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[Alf Tonny Bätz]

Yes the best way to do this is in Score editor.

Put the marking you need on the notes. After you are finished with
that, you use the interpred funksion

Regards Alf Tonny Bätz

On Tue, Jul 7, 2009 at 9:52 AM, Glyn Adgie<glyn@...> wrote:

> Is there any way to halve all note durations automatically? I want to
> turn minims to crotchets, crotchets to quavers, etc.
>
> The need for this arose in a piece in 3/4 at 150 beats per minute, with
> a fast start in quavers. I then added a slow tune on top of the fast
> bit. The slow tune is in crotchets and minims. In a number of places,
> this slow tune has notes tied over bars, and this made me think that it
> might have been better to have written the whole piece for a tempo of 75
> beats per minute, and have the slow tune in quavers and crotchets, and
> the fast bit in semiquavers. I am fairly sure most of my tied-over-bar
> notes would then fall within the new bars. It would sound the same as
> before, but would read better.
>
> Glyn
>
>
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[Shelagh Manton-3]

On Tue, 07 Jul 2009 08:52:11 +0100
Glyn Adgie <glyn@...> wrote:

> Is there any way to halve all note durations automatically? I want to
> turn minims to crotchets, crotchets to quavers, etc.
>
> The need for this arose in a piece in 3/4 at 150 beats per minute,
> with a fast start in quavers. I then added a slow tune on top of the
> fast bit. The slow tune is in crotchets and minims. In a number of
> places, this slow tune has notes tied over bars, and this made me
> think that it might have been better to have written the whole piece
> for a tempo of 75 beats per minute, and have the slow tune in quavers
> and crotchets, and the fast bit in semiquavers. I am fairly sure most
> of my tied-over-bar notes would then fall within the new bars. It
> would sound the same as before, but would read better.

Not from within Rosegarden itself as it doesn't have a scripting
interface, but you might be able to work with the unpacked xml data. It
is just text with heaps of markup. If you are any good with some
scripting language (I hear perl has a good xml library) you might be
able to do this automatically.

Shelagh

>
> Glyn
>
>
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[cannam]

On Tue, Jul 7, 2009 at 8:52 AM, Glyn Adgie<glyn@...> wrote:
> Is there any way to halve all note durations automatically? I want to
> turn minims to crotchets, crotchets to quavers, etc.

Not in the notation editor (unless I forget).  But there are halve and
double durations functions in the matrix editor which could be worth a
try, at the risk of having to re-do some notation afterwards.


Chris

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[lorenzosu]

Hi Glyn,

On Tue, Jul 7, 2009 at 8:52 AM, Glyn Adgieglyn@... wrote:

> Is there any way to halve all note durations automatically? I want to
> turn minims to crotchets, crotchets to quavers, etc.
    

Not in the notation editor (unless I forget).  But there are halve and
double durations functions in the matrix editor which could be worth a
try, at the risk of having to re-do some notation afterwards.

  

Actually in the notation editor you can do this kind of operations on selected notes through the adjust->rescale menus.
Or have I understood wrongly what you are trying to do?

Kind regards,
Lorenzo

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[cannam]

On Tue, Jul 7, 2009 at 11:52 AM, Lorenzo<lsutton@...> wrote:
> Actually in the notation editor you can do this kind of operations on
> selected notes through the adjust->rescale menus.

Oh yes, so you can!  Guess I _did_ forget, then...


Chris

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[D. Michael McIntyre-3]

On Tuesday 07 July 2009, Chris Cannam wrote:

> > Actually in the notation editor you can do this kind of operations on
> > selected notes through the adjust->rescale menus.
>
> Oh yes, so you can!  Guess I _did_ forget, then...

Select all and collapse equal pitch notes first though, or you'll still have
all the ties.

--
D. Michael McIntyre

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[Glyn Adgie]

Chris Cannam wrote:

> On Tue, Jul 7, 2009 at 11:52 AM, Lorenzo<lsutton@...> wrote:
>  
>> Actually in the notation editor you can do this kind of operations on
>> selected notes through the adjust->rescale menus.
>>    
>
> Oh yes, so you can!  Guess I _did_ forget, then...
>
>
> Chris
>
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>  

Thanks. That looks like the right tool. All I need to do now is to beam
the notes, etc, and move some segments into place.

Though this is not a Rosegarden issue, I now have the problem that my
fast intro/accompaniment looks a bit odd. It is a fugue, with the theme
starting on pizz. cellos, followed by the second fugue voice an octave
above on pizz. violins. The second voice originally joined the first
after one bar, but now it joins at just half a bar. Well, I guess it is
an odd fugue, though I am sure I have heard this rhythmic structure in
Bach's Passacaglia in C Minor for organ.

Glyn

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[D. Michael McIntyre-3]

On Tuesday 07 July 2009, Glyn Adgie wrote:
> after one bar, but now it joins at just half a bar. Well, I guess it is
> an odd fugue, though I am sure I have heard this rhythmic structure in
> Bach's Passacaglia in C Minor for organ.

When you're done with this or at any point along the way, I'd be really keen
to get a look at this.  Maybe even make an example file out of it?  Somebody
used Rosegarden to compose a fugue?!  Splendid!
--
D. Michael McIntyre

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[david-602]

D. Michael McIntyre wrote:
> On Tuesday 07 July 2009, Glyn Adgie wrote:
>> after one bar, but now it joins at just half a bar. Well, I guess it is
>> an odd fugue, though I am sure I have heard this rhythmic structure in
>> Bach's Passacaglia in C Minor for organ.
>
> When you're done with this or at any point along the way, I'd be really keen
> to get a look at this.  Maybe even make an example file out of it?  Somebody
> used Rosegarden to compose a fugue?!  Splendid!

I'm planning to move my old handwritten paper compositions into
Rosegarden - one of them's a fugue (probably of a pretty poor sort) ...

--
David
gnome@...
authenticity, honesty, community

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[Glyn Adgie]

D. Michael McIntyre wrote:

> On Tuesday 07 July 2009, Glyn Adgie wrote:
>  
>> after one bar, but now it joins at just half a bar. Well, I guess it is
>> an odd fugue, though I am sure I have heard this rhythmic structure in
>> Bach's Passacaglia in C Minor for organ.
>>    
>
> When you're done with this or at any point along the way, I'd be really keen
> to get a look at this.  Maybe even make an example file out of it?  Somebody
> used Rosegarden to compose a fugue?!  Splendid!
>  

Actually, the piece has two fugues at the same time. The short one is
basically an ostinato pattern in flute and clarinet that accompanies a
slow tune started on the cellos, which is then fugued in the violins.

I am tidying up the score at present. One of my problems, which I posted
previously, is getting a good string ensemble tone that is suitable for
fast melodies. Friends have commented that one section sounds like a
fairground organ. I think what I may do is put in solo strings (violin,
viola, cello, bass) to make the tone right, and leave the existing
synthy string ensemble sound as a background, turned well down.

Glyn

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[Noel Darlow]

On Wed, 08 Jul 2009 08:35:59 +0100
Glyn Adgie <glyn@...> wrote:

> One of my problems, which I
> posted previously, is getting a good string ensemble tone that is
> suitable for fast melodies. Friends have commented that one section
> sounds like a fairground organ.

Maybe you could roll your own? I've heard of a "smurf" soundfont editor
for linux, although I haven't actually used it. Perhaps you can tweak
attack/decay if the basic tone is good.

Noel


PS: I'll have you know I am proud to be a fairground organ player and I
take my job very seriously. It's not everyone who can dig out a
convincing performance under an incoming hail of coconuts on a Saturday
night in some hick town where alcohol, fighting and that other one are
the main recreational activities.

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