Re: Why do G5 optical inputs have more latency than analog?
Re: Why do G5 optical inputs have more latency than analog?
- Subject: Re: Why do G5 optical inputs have more latency than analog?
- From: Dennis Gunn <email@hidden>
- Date: Mon, 29 Nov 2004 18:53:52 +0900
On Nov 29, 2004, at 4:11 PM, Herbie Robinson wrote:
I am assuming that this is an apple core audio driver issue but I am
wondering why the monitoring latency using the analog inputs of the
G5 with logic is 346 samples while if I use separate convertors such
as those of an RME multiface the latency ends up being around 400
samples?
Better converters generally have more latency, but 54 samples seems
like a lot.
I don't know what the specs for the apple convertors is but multiface
Convertors are only 30 samples so I don't think that is it.
I could be wrong but since logic accounts for 192 samples I had assumed
that the remaining 156 samples you get when using the built in analog
path of the G5 broke down like 45 samples each way for convertors and
32 samples each way for offset buffers.
What is the latency with the digital output looped back to the digital
input?
Let me think for a little bit of a good way to test that.
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