[MEI-L] sounding vs. written pitch, <octave>

Roland, Perry D. (pdr4h) pdr4h at eservices.virginia.edu
Wed Mar 15 15:49:55 CET 2017

Hi Thomas,

Why not encode your example as

      pname="c" oct="4"
      pname.ges="b" accid.ges="f" oct.ges="5"/>

In other words, where @oct.ges reflects the octave shift?


From: mei-l [mailto:mei-l-bounces at lists.uni-paderborn.de] On Behalf Of Thomas Weber
Sent: Wednesday, March 15, 2017 6:41 AM
To: Music Encoding Initiative
Subject: Re: [MEI-L] sounding vs. written pitch, <octave>

Am 15.03.2017 um 02:09 schrieb Byrd, Donald A.:

It seems clear that addressing scordatura at a higher level than the note requires grouping notes by the string they're to be played on, something like @string="G", as well as saying -- maybe in the staffDef -- how each string transposes.

How about timpani parts like the ones my "Written Vs. Sounding Pitch" article discusses, including Beethoven's Third and Fourth?  [...] The best way to handle this might be to somehow say in the staffDef that all B's sound as B-flats.

I think that instead of trying to find special purpose solutions for all the different cases, it would be useful to have a general way of distinguishing

  1.   "naive" written pitch (as if one didn't know about scordatura, harmonics, ottava, horn/timpany conventions etc.)
  2.   logical pitch (ignoring instrument transposition)
  3.   sounding pitch

For 1., @pname/@oct/@occid/<accid> could be used just the way the are apprently used right now.  For 3., according to Perry, @pname.ges/@oct.ges/@accid.ges are the go to attributes:

Am 13.03.2017 um 21:36 schrieb Roland, Perry D. (pdr4h):

The actual sounding pitch of a <note> may be determined [...] at "encoding time" by storing the results of this calculation in the note's @pname.ges, @oct.ges, and @accid.ges attributes.

But there's nothing for 2.  This means, for a Bb instrument in a passage with <octave dis="8" dis.place="above"/>, a note could be encoded like:

      pname="c" oct="4"
      pname.log="c" oct.log="5"
      pname.ges="b" accid.ges="f" oct.ges="4"/>
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