Subject: Re: [linux-audio-dev] Locking Midi to Audio
From: Paul Davis (pbd_AT_op.net)
Date: Sat Aug 17 2002 - 15:20:58 EEST
[ ... ]
>There might still be people who would like to use MIDI without audio. Also
>this
>makes MIDI dependant on a specific audio API/implementation.
[ ... ]
>Audio/MIDI sync can be done just as well using UST/MSC.
[ ... ]
>This too should not be a problem if the system is well designed, i.e. all
>processes have suitable priorities depending on their rate and processing
>time. MIDI scheduling should run at a very high priority (higher than audio
>processing) and with a very short processing time.
[ ... ]
>That may be, but that can be solved by different means.
[ ... ]
>I'd rather have decent MIDI timing with a slightly higher audio latency. Has
>anyone tested how a well designed user-space MIDI scheduler thread
>impacts audio latency?
[ ... ]
>Not all hardware may be running at 64 frames/period. Even so I would like
>to see MIDI jitter at around 500usec instead of 1.3msec or more. There
>are good reasons to have larger audio buffers when low latency is not
>required.
i just want to note my happiness at reading a post from martijn with
which i agree 100% !! who says there is no such thing as progress ? :))
--p
This archive was generated by hypermail 2b28 : Sat Aug 17 2002 - 15:23:49 EEST