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Re: midiInstrument changes play one note too late.
From: |
Michael Ellis |
Subject: |
Re: midiInstrument changes play one note too late. |
Date: |
Wed, 14 Mar 2012 16:07:07 -0400 |
On Wed, Mar 14, 2012 at 2:50 PM, Hans Aikema <address@hidden> wrote:
> On 14-3-2012 18:37, Hans Aikema wrote:
>>
>> On 14-3-2012 18:01, Michael Ellis wrote:
>>>
>>> On Wed, Mar 14, 2012 at 11:38 AM, Hans Aikema<address@hidden>
>>> wrote:
>>>>
>>>> On 14-3-2012 14:30, Michael Ellis wrote:
>>>>>
>>>>> On Tue, Mar 13, 2012 at 5:26 PM, Michael Ellis
>>>>> <address@hidden> wrote:
>>>>>>
>>>>>> Is this a known problem? I don't see any prior reports online and
>>>>>> I've been seeing it since at least 2.12 but assumed it was because I
>>>>>> was doing some fairly complicated things. I took time to reduce it to
>>>>>> a minimal example today. It's still present in 2.15.33 as shown by the
>>>>>> example below. FWIW, I'm running OS X 10.6.7 and playing the midi
>>>>>> with QuickTime. I'm attaching the midi file.
>>>>>>
>>>>>> Is there a workaround?
>>>>>>
>>>>>> Thanks,
>>>>>> Mike
>>>>>
>>>>>
>>>
>> You're correct Michael,
>>
>> I misread the report... but I think it's likely that the instrument change
>> is 'a note too late' due to the same issue. I'll do some experimenting on it
>> and will get back to you.
>>
>> regards,
>> Hans
>>
>> _______________________________________________
>> lilypond-user mailing list
>> address@hidden
>> https://lists.gnu.org/mailman/listinfo/lilypond-user
>> .
>>
> Michael,
>
> This looks like an issue with Quicktime:
> - When I play your midi it in Windows 7's Media player the instrument
> changes are at the right time.
> - When I convert it to a wave-file in Windows using Timidity++ the
> instrument changes at the right time
> - When I play it using Noteworthy Composer Viewer
> (http://www.noteworthysoftware.com/nwc2/viewer.htm) the instrument changes
> are at the right time
> - When I play it in Quicktime for Windows 7.7.1 (build 1680.42) the
> instrument changes a note too late
> - When I play it in Quicktime Player (7.6.6 (build 1710)) for Mac OS X
> (10.7.3) the instrument changes a note too late.
>
> If you ask me, I see a pattern there ;)
>
>
> regards,
> Hans
Me, too. Thanks very much for digging into it. I confirmed that
LilyPondTool's player doesn't have the problem on OS X. QMidi also
seems ok. It's kind of wild that there are no reports when I search
for "QuickTime midi instrument change delay" etc. Guess most Mac
users don't listen very closely :-)
Cheers,
Mike
- midiInstrument changes play one note too late., Michael Ellis, 2012/03/14
- Re: midiInstrument changes play one note too late., Janek Warchoł, 2012/03/14
- Re: midiInstrument changes play one note too late., David Kastrup, 2012/03/15
- Re: midiInstrument changes play one note too late., David Kastrup, 2012/03/15
- Re: midiInstrument changes play one note too late., David Kastrup, 2012/03/15