Re: I/O Latency (Was: Layman with a mission)
Re: I/O Latency (Was: Layman with a mission)
- Subject: Re: I/O Latency (Was: Layman with a mission)
- From: William Stewart <email@hidden>
- Date: Wed, 13 Oct 2004 10:25:05 -0700
Dennis,
On 13/10/04 3:50 AM, "Dennis Gunn" <email@hidden> wrote:
> Parameters:
> Buffer size (ASIO/CoreAudio) - 64 samples
> Apps - Logic 6.3.2 (OS X), Logic 6.1.0 (OS 9)
> Audio - RME Multiface/cardbus
>
> OS X (CoreAudio):
> TotalMix monitoring latency - 62 samples
> Logic 6.3.2 monitoring latency - 322 samples
> OS 9 (ASIO):
> TotalMix monitoring latency - 62 samples
> Logic 6.1.0 monitoring latency - 192 samples
Given these numbers (RME differences between OS 9 and OS X), I think the
real issue is the quality and performance of this driver.
I think that is also what Angus/Brian are trying to say - that the
fundamental disparity here is NOT an architectural problem in Mac OS X, but
rather a specific problem with the RME driver. I don't understand personally
why the RME driver cannot get to a similar figure of 192 samples on X -
particularly as other manufacturer's devices/drivers show that this is
indeed entirely possible.
I'd suggest following up with RME - a comment/complaint from a user goes a
long way...
Bill
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