Re: [LAU] JACK MIDI latency -- was Re: Concerning schedtool

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To: <linux-audio-user@...>
Date: Sunday, April 20, 2014 - 1:49 am

IIUC we are not talking about the same alsarawmidi.

On Sat, 2014-04-19 at 18:18 +0200, Ralf Mardorf wrote:

^^^^^ ^^^^^^^^^^^^^
On Sat, 2014-04-19 at 19:47 +0200, Robin Gareus wrote:
^^^^^^ ^^^^^

Take a look at an older thread:

From: Devin Anderson
To: Paul Davis
Cc: Ralf Mardorf, linux-audio-user@lists.linuxaudio.org
Subject: Re: [LAU] midi backend not working in qjackctl?
Date: Wed, 14 Mar 2012 10:00:50 -0700

On Wed, Mar 14, 2012 at 9:04 AM, Paul Davis
wrote:

The 'alsarawmidi' slave driver in JACK 2 does not have this problem.
It postpones the delivery of events based on the audio buffer size.
Back in April, when I requested MIDI latency/jitter test results for
the driver, I saw peak jitter results as low as 60 microseconds.

The 'seq' and 'raw' drivers attached to the ALSA audio driver still
suffer from this problem.

--
Devin Anderson
surfacepatterns (at) gmail (dot) com

blog - http://surfacepatterns.blogspot.com/
synthclone - http://synthclone.googlecode.com/

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Messages in current thread:
[LAU] Concerning schedtool, Jonathan E Brickman, (Sat Apr 19, 3:58 am)
Re: [LAU] Concerning schedtool, Jeremy Jongepier, (Sat Apr 19, 2:13 pm)
Re: [LAU] Concerning schedtool, Robin Gareus, (Sat Apr 19, 2:43 pm)
Re: [LAU] Concerning schedtool, Ralf Mardorf, (Sat Apr 19, 4:18 pm)
[LAU] JACK MIDI latency -- was Re: Concerning schedtool, Robin Gareus, (Sat Apr 19, 5:48 pm)
Re: [LAU] JACK MIDI latency -- was Re: Concerning schedtool, Ralf Mardorf, (Sun Apr 20, 1:49 am)
Re: [LAU] JACK MIDI latency -- was Re: Concerning schedtool, Jeremy Jongepier, (Sun Apr 20, 1:49 pm)
Re: [LAU] JACK MIDI latency -- was Re: Concerning schedtool, Jeremy Jongepier, (Sun Apr 20, 2:05 pm)
Re: [LAU] Concerning schedtool, Robin Gareus, (Sat Apr 19, 10:31 am)