Re: : Re: transpose range

[Thomas Morley]

2017-06-26 23:56 GMT+02:00 Peter Gentry <address@hidden>:
>
>
> -----Original Message-----
> From: David Kastrup [mailto:address@hidden
> Sent: 26 June 2017 15:31
> To: Peter Gentry <address@hidden>
> Cc: Lilypond <address@hidden>
> Subject: Re: : Re: transpose range
>
> "Peter Gentry" <address@hidden> writes:
>
>> From: David Kastrup [mailto:address@hidden
>>
>> "Peter Gentry" <address@hidden> writes:
>>>
>>> The numeric pitch (op) is calculated by (define op (+ (* 14 o) (* n
>>> 2) (/ a 2))) “op is a unique number representing the pitch of the
>>> note”
>>
>>> Uh, that's pretty bad since it sees eis as equal to fes.  Anything
>>> wrong with just using (ly:pitch-tones p) instead?
>>
>> a. I had not heard of ly:pitch-tones p) b. for most folks eis is the
>> same sound as fes. Neither my battered old ears or my tuner could
>> detect the difference.  😊
>
> Well, I am glad that you don't sing in my hearing range then and you should 
> throw away that tuner.
>
> A semitone difference is quite noticeable.
>
> address@hidden:/usr/local/tmp/lilypond$ lilypond scheme-sandbox GNU LilyPond 
> 2.19.59 Processing `/usr/local/share/lilypond/2.19.59/ly/scheme-sandbox.ly'
> Parsing...
> guile> (apply - (map ly:pitch-tones (list #{ eis #} #{ fes #})))
> 1/2
> guile>
>
>
> --
> David Kastrup
>
> A semi tone difference is indeed noticeable but surely there is no semitone 
> between e sharp and f flat?

There is.

> It’s the same key on the piano!

Nope.

> Where is the semitone?

David gave you the proof ;)

> Instead of enlightening me you simply reply with a superior and dismissive 
> tone which is uncalled for.

e sharp and f are the same key, same for e and f flat, but not e sharp
and f flat.
You confused them. As far as I understand David made a joke to have
you rethink what you wrote ;)

Cheers,
  Harm