From alsa-user-owner@alsa.jcu.cz  Fri Feb 12 00:31:23 1999
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From: "Benjamin GOLINVAUX" <golinvaux@benjamin.net>
To: <alsa-user@alsa.jcu.cz>
Subject: Re: Recommendation for ALSA compat non-CreativeLabs PCI sound card?
Date: Fri, 12 Feb 1999 00:29:55 +0100
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:The SB Live! package claims that the Live! is fully compatible with the SB
:PCI standard (I think the SB 128 is a PCI card?). Why can't I use the SB
128
:driver for the Live! (it just don't works).


I'm afraid the chipsets are totally different. IMHO, SBLive uses EMU10K1
(...) while SB64 & 128 use 1370 and 1371... Am I right ?

"Compatible with PCI standard" is a buzzword that just means they are
actually PCI cards ;-) (IMHO)

:However, why are all other SB cards supported by Linux? Aren't they covered
:by an NDA too?


No... Maybe newest technologies are "protected" by keeping NDA on specs...

:BTW, what do you mean with 3ms latency? recording->playback latency? That
:would be perfect as I am working on a realtime soundapp! :-)


Yes... I remember we discussed these issues before... I was suggesting you
drop Windows... And I am certain (more than ever) that Windoze is crappy for
that. Italian people seem to be very keen of software fx progs, I just
downloaded another one called Effects Processor Pro by an italian company
called ANWIDA (www.anwida.com). Sleek design, good fx... but with 150ms
latency on my P2 300Mhz with SB16 :-(.. They claim better performance with
higher end cards such as Pinnacle but I doubt moving windows on the screen
can ensure rock steady audio throughput !!!

So, yes, I think Linux/ALSA with AudioPCI could be a good solution. If
you're looking to code an audio filter (as low latency as possible), you
should check latency.c in alsa_utils. Its a piece of code Jaroslav has
written to test latency but I thnik it can be easily tweaked to add fx to
audio buffers.

Regards,

Benjamin GOLINVAUX



