Hi,
I keep getting surprised at some of the most basic problems I run
into... This time, processing order.
1) Notes of zero duration?
Are these legal MIDI? Do I send a note-on with simultaneous note-off?
Or should they simply be ignored?
2) note x ending simultaneously with note y beginning
Robin Gareus:
0.49 has this feature implemented. Use the -jt option.
It should be sample sync,
Almost. It does not yet compensate for port-latency. It is important for
both effects that introduce latency as well as to keep physical I/O in
sync with apps.
see jack_port_get_latency() and
On Fri, 2010-06-25 at 11:55 +0100, James Morris wrote:
Hi,
I keep getting surprised at some of the most basic problems I run
into... This time, processing order.
Midi is serial, first come first served.
1) Notes of zero duration?
Are at least one millisecond.
2) note x ending
On Fri, 2010-06-25 at 12:51 +0100, James Morris wrote:
Does this imply that a note-off should always happen one millisecond early?
I've got no knowledge how to program for Linux, but regarding to those
oldish sequencers. No, a note-off should always is send at the correct
time.
--
On 25 June 2010 12:51, James Morris ja...@jwm-art.net wrote:
On 25 June 2010 12:35, Jens M Andreasen jens.andrea...@comhem.se wrote:
On Fri, 2010-06-25 at 11:55 +0100, James Morris wrote:
Hi,
I keep getting surprised at some of the most basic problems I run
into... This time, processing
On Fri, Jun 25, 2010 at 7:23 AM, Kjetil S. Matheussen
k.s.matheus...@notam02.no wrote:
Thanks for the info! I also wonder, does jack compansate for
latency when it mixes the outputs from ports (i.e. when several
output ports are connected to a jack_capture port), so that
the sound is in sync?
On Fri, Jun 25, 2010 at 6:55 AM, James Morris ja...@jwm-art.net wrote:
Hi,
I keep getting surprised at some of the most basic problems I run
into... This time, processing order.
just remember that in real MIDI, nothing can be simultaneous. its a
serial protocol without timestamps. with
On Fri, 2010-06-25 at 08:29 -0400, Paul Davis wrote:
On Fri, Jun 25, 2010 at 6:55 AM, James Morris ja...@jwm-art.net wrote:
Hi,
I keep getting surprised at some of the most basic problems I run
into... This time, processing order.
just remember that in real MIDI, nothing can be
James Morris wrote:
1) Notes of zero duration?
Are these legal MIDI?
Yes. There are synthesizers that can play percussion sounds at their
natural length and ignore note-off messages, so, sometimes, note-off
timing isn't available.
Do I send a note-on with simultaneous note-off?
Yes. Some
On Fri, 2010-06-25 at 14:38 +0200, Ralf Mardorf wrote:
On Fri, 2010-06-25 at 08:29 -0400, Paul Davis wrote:
On Fri, Jun 25, 2010 at 6:55 AM, James Morris ja...@jwm-art.net wrote:
Hi,
I keep getting surprised at some of the most basic problems I run
into... This time, processing
On Friday, June 25, 2010, James Morris wrote:
On 25 June 2010 12:35, Jens M Andreasen jens.andrea...@comhem.se wrote:
On Fri, 2010-06-25 at 11:55 +0100, James Morris wrote:
Hi,
I keep getting surprised at some of the most basic problems I run
into... This time, processing order.
On Fri, 2010-06-25 at 15:36 +0200, Ralf Mardorf wrote:
On Fri, 2010-06-25 at 14:38 +0200, Ralf Mardorf wrote:
On Fri, 2010-06-25 at 08:29 -0400, Paul Davis wrote:
On Fri, Jun 25, 2010 at 6:55 AM, James Morris ja...@jwm-art.net wrote:
Hi,
I keep getting surprised at some of the
On 06/25/2010 01:23 PM, Kjetil S. Matheussen wrote:
Robin Gareus:
0.49 has this feature implemented. Use the -jt option.
It should be sample sync,
Almost. It does not yet compensate for port-latency. It is important for
both effects that introduce latency as well as to keep physical
On 06/25/10 17:08, Robin Gareus wrote:
The system_playback port has a latency of 1024 frames and so is the
jack_buffersize (frames per period). app1 is a simple jack application
that prints the _total_-port-latency of it's in out ports every time
they change and announces a latency of 512
On Fri, Jun 25, 2010 at 1:03 PM, Florian Faber fa...@faberman.de wrote:
On 06/25/10 17:08, Robin Gareus wrote:
The system_playback port has a latency of 1024 frames and so is the
jack_buffersize (frames per period). app1 is a simple jack application
that prints the _total_-port-latency of
On Fri, Jun 25, 2010 at 9:29 AM, Clemens Ladisch clem...@ladisch.de wrote:
James Morris wrote:
1) Notes of zero duration?
Are these legal MIDI?
Yes. There are synthesizers that can play percussion sounds at their
natural length and ignore note-off messages, so, sometimes, note-off
timing
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