[LAU] Audio over WIFI

david gnome at hawaii.rr.com
Sat Jan 24 06:57:33 UTC 2015


On 01/23/2015 01:01 PM, Len Ovens wrote:
> On Fri, 23 Jan 2015, Leonardo Gabrielli wrote:

>>       On Wed, 21 Jan 2015, Leonardo Gabrielli wrote:
>>
>>       > In reality of the 16ms latency I mentioned, 5.3ms are the A/D and
>>       5.3ms are the
>>       > D/A (48khz, 2 periods of 128 samples in JACK at both sides). The
>>       remainder
>>
>>       That does not need to be. My 10 year old P4 was running an
>> ice1712 at
>>       48k/16/2 (.66ms) with no xruns.
>>
>> The machine I'm referring to is a Cortex A8 using its own audio codec,
>> and I
>> think the drivers are not exceptional. Lowering the period size was
>> not possible.
>> I was using Debian Stable.
>
> I have found that USB audio IFs generally can get to 64/2, but the INTEL
> (on board) IFs seem to need 64/3. I have heard that Firewire IFs can do
> at least 32/2.

Well, my USB audio IF (UCA202) doesn't work well at 64/2; works great at 
64/3. Haven't done a lot with the onboard audio other than to verify 
that it, too, works - at 64/2.

This is on Aptosid (Debian Sid) with or without lowlatency kernel.

-- 
David W. Jones
gnome at hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com


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