[MEI-L] Sample encoding of mensural notation

Mon Jan 16 11:10:53 CET 2017

Hi Martha,

your solution sounds good and is very logically, but it seems not to  
work for me: I deleted @dots, added @num, @numbase and @modusminor as  
suggested and added <dot/> everywhere needed. Now Verovio displays the  
Cantus only, and just the part before the first @num-attribute (see  
attached PNG-file). I can't find the mistake...

Additionally, there seems a problem with the mensur-sign. Instead of a  
C with one slash (as encoded), Verovio just shows the slash. Is there  
something I can do about that?

And (last question, I hope) is there a possibility to beam semiminimae  
in Verovio correctly? I remember them not being displayed as a kind of  
beamed 8ths, but as to semiminimae (with flag) and a not good  
positioned beam...

I'll attach my corrected MEI-file again.

Daniel

Zitat von Martha Thomae <thomaemartha at gmail.com>:

> Ups! Sorry for that last part. It is not a Verovio problem. I just realize
> that in your <mensur> elements you have @tempus="2" (which means that a
> breve = 2 semibreves) and @prolatio="2" (which means a semibreve = 2
> minimas), but you haven't stablished the relationship between the longa and
> the breve. To do this you should use @modusminor. As you want the longa = 2
> breves, you should use @modusminor="2". If you don't specify this value,
> Verovio will assume it is "3". That is why your longa was assumed to be
> equal to 3 breves, you can clearly see this at the beginning of the tenor,
> where the longa rest occupies the same space as 3 breves in the other
> voices.
>
> On Mon, Jan 16, 2017 at 2:37 AM, Martha Thomae <thomaemartha at gmail.com>
> wrote:
>
>> Hi Daniel,
>>
>> I took a look at your files. I think the mistake is the way that the dots
>> are encoded. In Mensural MEI you don't use the attribute @dots. Any dot
>> after a note is encoded as an element <dot/>. And if this dot is behaving
>> as a "dot of addition" (which is called "dot of augmentation") you have to
>> add two attributes: @num and @numbase. These attributes change the note's
>> value. If the dot is a 'dot of augmentation' you should use @num="2" and
>> @numbase="3" (this will make your note 1.5 times its original value).
>>
>> There is an example in the Verovio file that we talked about. So for a dot
>> of addition you must do:
>>
>> <note pname="b" dur="semiminima" oct="4" num="2" numbase="3"/><!--
>> augm --><dot/>
>>
>>
>> I made these changes to your file and all voices lined up except for the
>> tenor. I realized this is because the <rest dur="longa"/> at the beginning
>> is given a duration of 3 breves instead of 2 breves, this is not a mistake
>> in your encoding, but in the way Verovio is interpreting that "longa" rest.
>> I will raise an issue about it. Besides that, everything should be working
>> fine.
>>
>> Hope this helps,
>>
>> Martha
>> --
>> Martha E. Thomae
>> DDMAL Lab,
>> Music Technology
>> McGill University
>>
>> On Sun, Jan 15, 2017 at 5:27 PM, Daniel Alles <DanielAlles at stud.uni-
>> frankfurt.de> wrote:
>>
>>> Hello,
>>>
>>> I'll attach the samples to this email. The sources can be found at
>>> https://www.dropbox.com/sh/15v9inaose2z8e8/AACXfPru5v3H5fg2cwgNZJFKa?dl=0
>>>
>>> Best regards,
>>> Daniel
>>>
>>>
>>> Zitat von Andrew Hankinson <andrew.hankinson at mail.mcgill.ca>:
>>>
>>>
>>> > Can you send along a sample of your encoding? We can help you better
>>> > if we can see what you did.
>>> >
>>> > -Andrew
>>> >
>>> >> On Jan 14, 2017, at 10:29 PM, Daniel Alles
>>> >> <DanielAlles at stud.uni-frankfurt.de> wrote:
>>> >>
>>> >> Hi Martha and all the others,
>>> >>
>>> >> thank you very much for your replies, they helped me very much in
>>> >> understanding the encoding of MN. Especially Martha's hint to the
>>> >> Verovio-website was very useful (although I don't understand
>>> >> completely "coloration including augmentation/imperfectino", but
>>> >> that's Ok for the moment). A thing that confuses me a lot is the
>>> >> displaying of the Verovio-MEI-viewer: I have the impression, that it
>>> >> doesn't align the corect "beats" vertically; I already recognized
>>> >> this when rendering my attempt. Is that right? How can I fix that?
>>> >>
>>> >> Best regard,
>>> >> Daniel
>>> >>
>>> >>
>>> >>
>>> >> Zitat von Martha Thomae <thomaemartha at gmail.com>:
>>> >>
>>> >>> Hi Daniel
>>> >>>
>>> >>> Perry is right, the JRP only contains modern transcription of mensural
>>> >>> music.
>>> >>>
>>> >>> I am currently working with Mensural MEI files, and something I found
>>> >>> really useful is an example of a Mensural MEI file in the Verovio
>>> webpage
>>> >>> at this particular address:
>>> >>> *http://www.verovio.org/features.xhtml?id=mensural
>>> >>> <http://www.verovio.org/features.xhtml?id=mensural>*
>>> >>> You can download the whole file (it is larger than the short excerpt
>>> shown
>>> >>> there). It includes everything one needs know, you can see how they
>>> encoded
>>> >>> imperfections, alterations, dots and their effect in the note
>>> (augmentation
>>> >>> or division), changes in mensuration, etc. It also includes
>>> coloration, but
>>> >>> I think there is no agreement between the Mensural MEI community in
>>> how to
>>> >>> encode this particular feature (although I think the way it is
>>> encoded in
>>> >>> this example from the Verovio webpage is really good).
>>> >>>
>>> >>> Hope this helps,
>>> >>>
>>> >>> Martha
>>> >>>
>>> >>> Martha E. Thomae
>>> >>> DDMAL Lab,
>>> >>> Music Technology
>>> >>> McGill University
>>> >>>
>>> >>
>>> >>
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>>> >
>>> >
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>>
>>
>> --
>> *Martha E. Thomae*
>>
>
>
>
> --
> *Martha E. Thomae*
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