From: Patrick Shirkey <pshirkey@boosthardware.com>
To: Juan Linietsky <coding@reduz.com.ar>
Cc: alsa-devel@alsa-project.org
Subject: Re: Forcing an absolute timestamp for every midi event.
Date: Sun, 18 Aug 2002 19:08:26 +0900 [thread overview]
Message-ID: <3D5F721A.1000705@boosthardware.com> (raw)
In-Reply-To: 20020818055740.2af8e3e7.coding@reduz.com.ar
Juan Linietsky wrote:
> Hi! I wanted to ask, how about forcing
> an absolute timestamp for _every_ midi event?
> I think this would be great for softsynths,
> so they dont need to work with root/schedfifo/lowlatency
> to have a decent timing. Not allways you are willing
> to process midi at the lowest latency possible.
> I say because you dont really need all that if you
> sequence in the computer and control softsynths and maybe
> some external device.
> This way, the softsynth gets the event with the timestamp,
> gets the current time, substracts the audio delay (latency) to that
> and just mixes internally in smaller blocks processing each
> event in the right time.
>
Yesterday Juan gave me an example of the difference between having this
and not and it is absolutely clear that the sound quality is better. I
think many users would appreciate the difference even if they wouldn't
know why.
Currently if users want to get this kind of quality they have to have
root access so it will be less hassle to have it available from user space.
It will also make ALSA one step more advanced :)
--
Patrick Shirkey - Boost Hardware Ltd.
For the discerning hardware connoisseur
Http://www.boosthardware.com
Http://www.boosthardware.com/LAU/guide/
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next prev parent reply other threads:[~2002-08-18 10:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-18 8:57 Forcing an absolute timestamp for every midi event Juan Linietsky
2002-08-18 10:08 ` Patrick Shirkey [this message]
2002-08-18 12:48 ` Frank van de Pol
2002-08-18 22:17 ` Juan Linietsky
2002-08-19 15:47 ` Takashi Iwai
2002-08-18 20:12 ` Martijn Sipkema
2002-08-18 21:18 ` [linux-audio-dev] " Frank van de Pol
2002-08-19 6:43 ` Martijn Sipkema
2002-08-19 7:52 ` Jaroslav Kysela
2002-08-18 22:58 ` Juan Linietsky
2002-08-19 6:41 ` Martijn Sipkema
2002-08-19 8:07 ` Juan Linietsky
2002-08-19 12:39 ` Martijn Sipkema
2002-08-19 13:01 ` aside - alsa-docs Patrick Shirkey
2002-08-20 21:11 ` Forcing an absolute timestamp for every midi event Frank van de Pol
2002-08-21 1:10 ` Martijn Sipkema
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