Hi, On Jun 26, 2017 4:57 PM, "Peter Gentry" <peter.gen...@sunscales.co.uk> wrote:
-----Original Message----- From: David Kastrup [mailto:d...@gnu.org] Sent: 26 June 2017 15:31 To: Peter Gentry <peter.gen...@sunscales.co.uk> Cc: Lilypond <lilypond-user@gnu.org> Subject: Re: : Re: transpose range "Peter Gentry" <peter.gen...@sunscales.co.uk> writes: > From: David Kastrup [mailto:d...@gnu.org] > > "Peter Gentry" <peter.gen...@sunscales.co.uk> 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. dak@lola:/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? It’s the same key on the piano! Where is the semitone? E sharp/F or F flat/E are the same key on the piano. E sharp and F flat are a semitone apart. -DN
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