Re: There is no key signature in the generated Midi file ?

[Urs Liska]

Am 16.02.2016 um 17:29 schrieb Phil Holmes:
> ----- Original Message ----- From: "David Kastrup" <address@hidden>
> To: "Esko Teerilahti" <address@hidden>
> Cc: <address@hidden>
> Sent: Tuesday, February 16, 2016 4:09 PM
> Subject: Re: There is no key signature in the generated Midi file ?
>
>
>> Esko Teerilahti <address@hidden> writes:
>>
>>> David Kastrup <address@hidden> kirjoitti 16.2.2016 kello 15.30:
>>>
>>>>>>
>>>>
>>>> Your screen shot of MidiYogi _clearly_ shows you looking in the
>>>> control
>>>> track.  WHEREAS THE KEY (WHICH NEEDS NOT BE THE SAME ACROSS TRACKS) IS
>>>> IN THE INDIVIDUAL INSTRUMENTS' TRACKS.
>>>>
>>>> DID YOU BOTHER TO CHECK THIS?
>>>>
>>> I Did many times but wasn’t smart enough, and nor is the MidiYodi.
>>>
>>> In my own example, main window (in screenshot) shows ’no key signature
>>> available’, regardless which track I selected.
>>>
>>> Then I tried with other midi file, and it shows the correct key value,
>>> regardless which track I selected.
>>>
>>> Then I found the Event examiner.
>>> In my own example It shows the Key signature in the instrument track
>>> (as you pointed out).
>>>
>>> Whereas, with the other midifile, Key signature IS in the control
>>> track !
>>> And the main window only seems to show the key signature, when it is
>>> in the control track.
>>>
>>> So anyway, there is Key signature in the generated midi file.
>>
>> i have no copy of the Midi standard so have to go by hearsay.  For
>> example, in <URL:http://www.somascape.org/midi/tech/mfile.html#meta> it
>> says
>>
>>    Key Signature
>>
>>    FF 59 02 sf mi
>>
>>    sf is a byte specifying the number of flats (-ve) or sharps (+ve)
>>    that identifies the key signature (-7 = 7 flats, -1 = 1 flat, 0 =
>>    key of C, 1 = 1 sharp, etc).  mi is a byte specifying a major (0) or
>>    minor (1) key.
>>
>>    For a format 1 MIDI file, Key Signature Meta events should only
>>    occur within the first MTrk chunk.
>>
>> Note the last paragraph.  It may be that LilyPond is not heeding the
>> standard here (somebody would need to check a copy of the standard to be
>> sure, and the standard costs money).  A standard which, by the way,
>> would seem stupid since key signatures _may_ well be different for
>> different tracks.
>>
>> -- 
>> David Kastrup
>
>
> If I use Noteworthy (my favoured entry program) I can enter different
> key signatures for each instrument and this saves and loads them as
> entered.  If I export as midi, the key signature for both instruments
> is changed to be that for the first instrument.

Which seems to confirm David's conclusion ...

>
> With Sibelius, it appears impossible to use different key signatures:
> enter a signature for instrument one, and it is copied to all the
> other instruments.
>

Ouch!