From: Takashi Iwai <tiwai@suse.de>
To: alfp@adsmr.co.za
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: SBLive 3d Positioning
Date: Wed, 25 Sep 2002 17:45:56 +0200 [thread overview]
Message-ID: <s5hy99qm5sb.wl@alsa2.suse.de> (raw)
In-Reply-To: <3D919CA5.5040700@adsmr.co.za>
At Wed, 25 Sep 2002 13:23:17 +0200,
Alftheo Potgieter wrote:
>
> Hi
>
> Does anybody know how to use the 3D positioning feature of the SB Live
> card? I want to place a number of individual sounds in space.
>
> According to the ac97 spec, register 0x22 has bits for depth and center,
> which would do what I want, but the STAC9708 only has audio
> 'separation', which does not sound like specifying a position.
>
> Is the EMU10K1 and the STAC9708 two separate devices, or is it two
> interfaces to the same underlying hardware?
emu10k1 can do such a job potentially with its DSP engine, but it has
nothing to do with AC97. and, on ALSA, such a dsp code is not
implemented yet.
you can try openAL for 3d positioning, although it's not hardware
accelerated.
Takashi
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prev parent reply other threads:[~2002-09-25 15:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <E17u0ih-00042S-00@usw-sf-list2.sourceforge.net>
2002-09-25 11:23 ` SBLive 3d Positioning Alftheo Potgieter
2002-09-25 15:45 ` Takashi Iwai [this message]
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