[smufl-discuss] Re: Additional glyphs

[Ahmed Tahar]

Thank for the validation of some of my proposals :)

>> BEAT REPEATS
>>
>> This repeat symbols are described by Elaine Gould (cf. Behind Bars
>> p. 230). Like the tremolo E260~E264, other durations might be added.
>>
>> Another solution might be to used several slash E121 (maybe that's
>> your intent).
>>
>> - Repeat Last 8th Group
>> - Repeat Last 16th Group
>> - Repeat Last 32th Group
>
> SMuFL really only encodes multiple tremolo slashes as individual glyphs
> because (a) that's how the Unicode Musical Symbols range was set up and
> (b) I believe Finale's fonts include them as separate glyphs (not that it
> is a requirement for SMuFL to be a superset of all other extant music
> fonts, of course).
>
> My inclination would be for this to be achieved by applications laying out
> multiple instances of U+E121, rather than requiring new glyphs for this,
> particularly since you could theoretically repeat the last 1024th group,
> which would require eight slashes, and eight glyphs in total.

Ok that's fine to me.

>
>> GUITAR
>>
>> - Brush up and brush down : this strumming symbols for guitar are
>> described by Elaine Gould (cf. Behind Bars p.379). Moreover, brush
>> arrowheads similar to EA8B~EA8C might be added in order to be
>> composed with line primitives.
>
> I don't know whether SMuFL in general should contain lots of arrowhead
> types. Would the arrowheads encoded for the tops and bottoms of
> arpeggiando lines be suitable?

Yes as far as the arrow is alone, without wave, in order to be composed either with a brush line or an arpeggio wave.

>> - Open pedal, close pedal and half open pedal : this symbols are
>> similar to E865~E867 and are often used for the wah pedal or volume
> pedal.
>
> and:
>
>> - Stopped and open drums : idem
>
> Are other appearances used for these symbols? If not, I would not propose
> encoding them separately, since it's not necessarily the job of SMuFL to
> encode every possible playing technique for every possible instrument, but
> rather to provide the unique glyphs required to notate them, reusing
> existing glyphs if that is desirable.

You're probably right about this but in a way it seems strange to find a shared symbols under a category referring to a precise technique. What if a font designer create a glyph to reflect a specificity of an instrument at the expense of others instruments. For example, even if the "pedal open / close" are generally symbolized by the same forms as those from the percussion playing techniques, we (at Arobas Music) want to draw, as an alternative, a symbolic pedal sideways. For this, we can use the private area. If that's your idea of doing things with smufl, then I think maybe the shared symbols should have their own category (like the noteheads) or a warning about not changing their shapes.

>
>> - Fade in, fade out and volume swell : it's a kind of crescendo
>> technique using the volume knobs of electric guitars (http://
>> youtu.be/X9Wpzy590d8). The "fade out" is just a "fade in" mirrored.
>
> Are these symbols ideally of variable length like a hairpin? If so, then
> they are more like "exponential hairpins", which are regular hairpins with
> flared ends like those shown in your fading graphic, and ideally it seems
> these should be implemented using primitives rather than glyphs of a fixed
> size.

This symbol seems controversial. Let's put it apart for now.

>
>> PERCUSSION PLAYING TECHNIQUE PICTOGRAMS
>>
>> - Choked cymbal : this is defined by Norman Weinberg p.22 in the
>> "Guide to standardized drum set notation".
>
> Would U+E50A be an acceptable glyph for this use?

The shape is good but the category might not be ;)

>
>> BEATERS PICTOGRAMS
>>
>> - Hard mallet, soft mallet and medium mallet : this is defined by
>> Norman Weinberg defined p.26 in the "Guide to standardized drumset
> notation".
>
> These are already all included in the 'Beaters pictograms' range.

Ok then can you precise me the code point ? Should I use the xylophone beaters ?

>> PS : The text for the code E865 seems wrong and should be Closed /
>> rim shot instead of Open / rim shot.
>
> Yes, thank you. This has been fixed in the documentation already and will
> be correct in the next revision.

Musically,

Ahmed Tahar
Functional Analyst // Arobas Music
http://www.guitar-pro.com
http://www.mysongbook.com
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