From: Lee Revell <rlrevell@joe-job.com>
To: Marcin Dalecki <martin@dalecki.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>,
Takashi Iwai <tiwai@suse.de>
Subject: Re: Mac mini sound woes
Date: Tue, 29 Mar 2005 17:13:04 -0500 [thread overview]
Message-ID: <1112134385.5386.22.camel@mindpipe> (raw)
In-Reply-To: <e5141b458a44470b90bfb2ecfefd99cf@dalecki.de>
On Tue, 2005-03-29 at 11:22 +0200, Marcin Dalecki wrote:
> No. You didn't get it. I'm taking the view that mixing sound is simply
> a task you would typically love to make a DSP firmware do.
> However providing a DSP for sound processing at 44kHZ on the same
> PCB as an 1GHZ CPU is a ridiculous waste of resources. Thus most
> hardware
> vendors out there decided to use the main CPU instead. Thus the
> "firmware"
> is simply running on the main CPU now. Now where should it go? I'm
> convinced
> that its better to put it near the hardware in the whole stack. You
> think
> it's best to put it far away and to invent artificial synchronization
> problems between different applications putting data down to the
> same hardware device.
This is the exact line of reasoning that led to Winmodems.
Lee
next prev parent reply other threads:[~2005-03-29 22:18 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-27 23:42 Mac mini sound woes Benjamin Herrenschmidt
2005-03-28 1:42 ` Andrea Arcangeli
2005-03-28 2:34 ` Benjamin Herrenschmidt
2005-03-29 3:36 ` Lee Revell
2005-03-29 3:41 ` Benjamin Herrenschmidt
2005-03-29 7:47 ` Marcin Dalecki
2005-03-29 8:18 ` Benjamin Herrenschmidt
2005-03-29 9:22 ` Marcin Dalecki
2005-03-29 10:22 ` Takashi Iwai
2005-03-30 1:45 ` Marcin Dalecki
2005-03-30 2:08 ` Lee Revell
2005-03-30 4:14 ` Lee Revell
2005-03-30 5:15 ` Steven Rostedt
2005-03-29 22:13 ` Lee Revell [this message]
2005-03-29 23:25 ` Chris Friesen
2005-03-29 23:39 ` Benjamin Herrenschmidt
2005-03-30 1:48 ` Marcin Dalecki
2005-03-30 5:42 ` Lee Revell
2005-03-30 1:45 ` Marcin Dalecki
2005-03-29 10:02 ` Takashi Iwai
2005-03-29 11:04 ` Benjamin Herrenschmidt
2005-03-29 12:12 ` Takashi Iwai
2005-03-29 19:05 ` Lee Revell
2005-03-29 19:31 ` Takashi Iwai
2005-03-29 20:11 ` Lee Revell
2005-03-29 22:03 ` Benjamin Herrenschmidt
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