20 Feb
2013
20 Feb
'13
9:34 a.m.
On 02/19/2013 09:25 AM, Jeff Sandys wrote:
So what's the latency for headphones?
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David
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From:
jonetsu(a)teksavvy.com
If a better response time from the kernel is something that's Good, why
isn't lowlatency kernels a default in Linux distros (well, at least in
Linux Mint and Fedora) If it is So Good, what are the arguments for not
having a lowlatency kernel by default ? Any drawbacks ? I presume the
Audio-oriented Linux distros do have lowlatency kernels by default, do
they ?
The Fedora Musicians Guide has a good topic on Real-Time and Low-Latency:
http://docs.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/Mus…
My understanding:
* A Real-Time kernel will give you more consistent, reliable latency.
- But not necessarily lower latency
* Useful, proven, RT features migrate into the main kernel.
- So use the RT patches to test and prove them.
* Current main kernels give reasonable performance for most musicians.
- Your mileage may vary, if you get some annoying x-runs use the RT patch.
- Sound travels ~1 foot per millisecond, 8 feet from the speaker =
8ms latency